JP7521749B2

JP7521749B2 - Method of installing surface material and starting surface material unit for herringbone application

Info

Publication number: JP7521749B2
Application number: JP2020065284A
Authority: JP
Inventors: 直宮嶋; 有路藤田; 成輝沢田
Original assignee: Asahi Kasei Homes Corp
Current assignee: Asahi Kasei Homes Corp
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2024-07-24
Anticipated expiration: 2040-03-31
Also published as: JP2021161777A

Description

本発明は、面材の施工方法およびヘリンボン貼り用の起点面材ユニットに関する。 The present invention relates to a method for installing a surface material and a starting point surface material unit for herringbone installation.

従来、面が長尺の長方形となる長尺矩形状の複数の面材を施工対象面に貼る施工方法として、面材を施工対象面の基準となる辺に対して斜めとし、かつ複数の面材を階段状にずらしてヘリンボン状に貼る面材の施工方法が知られている。特許文献１には、複数の面材を階段状にずらして固定したユニットを並べて貼る面材の施工方法が開示されている。 A conventional method of attaching multiple long rectangular surface materials to a surface to be installed is to slant the surface materials with respect to the reference side of the surface to be installed, and to attach the multiple surface materials in a herringbone pattern by shifting them in a stepped pattern. Patent Document 1 discloses a method of installing a surface material in which multiple surface materials are shifted in a stepped pattern and fixed in place, and then affixed in a line.

特開２０１８－１１５４２６号公報JP 2018-115426 A

長尺矩形状の面材をヘリンボン状に貼る場合には、施工対象面の基準となる辺に対して斜めに貼るため、施工対象面の縁部では、面材を加工する必要があるため、手間がかかるという問題がある。特許文献１のような複数の面材を階段状にずらして固定したユニットを採用する場合も、施工対象面の縁部では、ユニットを加工して貼ったり、ユニットを使用せずに面材を加工して貼ったりする必要があり、手間がかかる。 When applying long rectangular surface materials in a herringbone pattern, they are applied at an angle to the reference side of the surface to be applied, which poses the problem of having to process the surface materials at the edges of the surface to be applied, which is time-consuming. Even when using units in which multiple surface materials are fixed in a staircase-like manner, as in Patent Document 1, it is necessary to process the units and apply them at the edges of the surface to be applied, or to process the surface materials without using the units and apply them, which is time-consuming.

そこで、本発明は、面材をヘリンボン状に貼る際の手間を軽減することができる面材の施工方法およびヘリンボン貼り用の起点面材ユニットを提供することを目的とする。 Therefore, an object of the present invention is to provide a method for applying surface materials that can reduce the effort required when applying surface materials in a herringbone pattern , and a starting surface material unit for herringbone application.

上記目的を達成するため、本発明に係る面材の施工方法は、長尺矩形状の複数の面材を施工対象面にヘリンボン状に貼る面材の施工方法において、
前記施工対象面における第１方向に延びて前記第１方向に直交する第２方向の一方側に位置する第１縁部に沿って前記面材を複数組み合わせた起点面材ユニットを貼る起点面材ユニット貼り付け工程と、前記施工対象面における前記起点面材ユニットの前記第２方向の他方側に向かって中間部面材を貼る中間部面材貼り付け工程と、を有し、前記複数の面材は、長辺方向が前記第１方向および前記第２方向に対して傾斜する第３方向に延びるように前記施工対象面に貼り付けられる第１面材と、長辺方向が前記第２方向を対称軸として前記第３方向と線対称となる第４方向に延びるように前記施工対象面に貼り付けられる第２面材と、からなり、前記起点面材ユニットは、前記第２方向に配列された複数の前記第１面材と前記第２方向に配列された複数の前記第２面材とが前記第２方向の他方側に向かって凸となるように前記第１方向に互いに接続されるとともに、接続された複数の前記第１面材および複数の前記第２面材の前記第２方向の一方側が前記第１方向に延びる直線に沿って切除されて直線状に連続する起点縁部が形成されることで直角二等辺三角形をなしており、前記起点面材ユニット貼り付け工程では、前記第１縁部に前記起点縁部が沿うように前記施工対象面に前記起点面材ユニットを貼り付けることを特徴とする。 In order to achieve the above object, the present invention provides a method for applying a surface material in which a plurality of long rectangular surface materials are applied in a herringbone pattern to a surface to be applied, comprising the steps of:
The method includes a starting point surface material unit attaching step of attaching a starting point surface material unit, which is a combination of a plurality of surface materials, along a first edge portion that extends in a first direction on the construction target surface and is located on one side of a second direction perpendicular to the first direction, and an intermediate surface material attaching step of attaching an intermediate surface material toward the other side of the starting point surface material unit in the second direction on the construction target surface, the plurality of surface materials being attached to the construction target surface such that a long side direction extends in a third direction that is inclined with respect to the first direction and the second direction, and a first surface material being attached to the construction target surface such that a long side direction extends in a fourth direction that is linearly symmetrical to the third direction with the second direction as an axis of symmetry. and a second surface material arranged in the second direction, the starting surface material unit being configured such that a plurality of the first surface materials arranged in the second direction and a plurality of the second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward the other side of the second direction, and one side of the connected plurality of first surface materials and a plurality of the second surface materials in the second direction are cut along a straight line extending in the first direction to form a linearly continuous starting edge portion, thereby forming an isosceles right triangle, and the starting surface material unit attaching process is characterized in that the starting surface material unit is attached to the construction surface so that the starting edge portion is aligned with the first edge portion.

また、本発明に係るヘリンボン貼り用の起点面材ユニットは、長尺矩形状の複数の面材を施工対象面にヘリンボン状に貼る際に、前記施工対象面における第１方向に延びて前記第１方向に直交する第２方向の一方側に位置する第１縁部に沿って張り付けられる前記面材を複数組み合わせたヘリンボン貼り用の起点面材ユニットであって、前記複数の面材は、長辺方向が前記第１方向および前記第２方向に対して傾斜する第３方向に延びるように前記施工対象面に貼り付けられる第１面材と、長辺方向が前記第２方向を対称軸として前記第３方向と線対称となる第４方向に延びるように前記施工対象面に貼り付けられる第２面材と、からなり、前記起点面材ユニットは、前記第２方向に配列された複数の前記第１面材と前記第２方向に配列された複数の前記第２面材とが前記第２方向の他方側に向かって凸となるように前記第１方向に互いに接続されるとともに、接続された複数の前記第１面材および複数の前記第２面材の前記第２方向の一方側が前記第１方向に延びる直線に沿って切除されて直線状に連続する起点縁部が形成されることで直角二等辺三角形をなすことを特徴とする。 The starting surface material unit for herringbone pasting according to the present invention is a starting surface material unit for herringbone pasting that combines a plurality of long rectangular surface materials that, when pasting in a herringbone pattern on a surface to be worked on, extend in a first direction on the surface to be worked on and are pasted along a first edge portion located on one side of a second direction perpendicular to the first direction, and the plurality of surface materials are a first surface material that is pasted on the surface to be worked on so that its long side direction extends in a third direction that is inclined with respect to the first direction and the second direction, and a second surface material that is pasted on the surface to be worked on so that its long side direction extends in a third direction that is inclined with respect to the first direction and the second direction, and a third surface material that is pasted on the surface to be worked on so that its long side direction extends in a third direction that is inclined with respect to the second direction as an axis of symmetry. and a second surface material that is attached to the surface to be worked on so as to extend in a fourth direction that is linearly symmetrical to the first surface material. The starting surface material unit is characterized in that the multiple first surface materials arranged in the second direction and the multiple second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward the other side in the second direction, and one side of the connected multiple first surface materials and multiple second surface materials in the second direction is cut along a straight line extending in the first direction to form a linearly continuous starting edge portion, forming an isosceles right triangle.

本発明では、起点縁部が予め直線状に加工された起点面材ユニットを施工対象面の第１縁部に沿って連続的に貼り付けることで、第１縁部に沿って設けられる面材を第１方向の中間部で加工する必要が無く面材をヘリンボン貼りする際の手間を軽減することができる。 In the present invention, by continuously attaching starting surface material units whose starting edge has already been processed into a straight line along the first edge of the surface to be worked on, it is not necessary to process the surface material provided along the first edge in the middle in the first direction, and the effort required to attach the surface material in a herringbone pattern can be reduced.

また、本発明に係る面材の施工方法では、前記施工対象面における前記中間部面材の前記第２方向の他方側に終点面材ユニットを貼る終点面材ユニット貼り付け工程を有し、前記終点面材ユニットは、第２方向に配列された複数の前記第１面材と前記第２方向に配列された複数の前記第２面材とが、前記第２方向の一方側に向かって凸となるように前記第１方向に互いに接続され、接続された複数の前記第１面材および複数の前記第２面材の前記第２方向の他方側が前記第１方向に延びる直線に沿って切除されて直線状に連続する終点縁部が形成されており、前記終点面材ユニット貼り付け工程では、前記終点面材ユニットの前記第１面材が、前記起点面材ユニットの前記第１面材の前記第２方向の他方側に連続する前記中間部面材の前記第２方向の他方側に連続し、前記終点面材ユニットの前記第２面材が、前記起点面材ユニットの前記第２面材の前記第２方向の他方側に連続する前記中間部面材の前記第２方向の他方側に連続し、前記終点面材ユニットの前記終点縁部が前記施工対象面における前記第２方向の他方側に位置するとともに前記第１方向に延びる第２縁部に沿うように、前記終点面材ユニットを貼り付けてもよい。このような構成とすることにより、終点面材ユニットの終点縁部が施工対象面の第２縁部に平行となるため、第２縁部に沿って設けられる面材加工する必要が無い、または加工が必要な際も終点縁部に対し平行に切断すればよいため、面材をヘリンボン貼りする際の手間を軽減することができる。 In addition, the method for installing the surface material according to the present invention includes a step of attaching an end surface material unit to the other side of the intermediate surface material in the second direction on the surface to be installed, and the end surface material unit is formed such that the plurality of first surface materials arranged in the second direction and the plurality of second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward one side in the second direction, and the other side in the second direction of the connected plurality of first surface materials and the plurality of second surface materials are cut along a straight line extending in the first direction to form a linearly continuous end edge portion, and the end surface material unit is formed such that the plurality of first surface materials and the plurality of second surface materials are cut along a straight line extending in the first direction to form a linearly continuous end edge portion. In the step of attaching the surface material unit to the end point, the first surface material of the end point surface material unit is continuous with the other side of the intermediate surface material in the second direction that is continuous with the other side of the first surface material of the starting surface material unit in the second direction, and the second surface material of the end point surface material unit is continuous with the other side of the intermediate surface material in the second direction that is continuous with the other side of the second surface material of the starting surface material unit in the second direction, and the end edge of the end point surface material unit may be attached so as to be located on the other side of the second direction on the surface to be worked on and along the second edge extending in the first direction. With this configuration, the end edge of the end point surface material unit is parallel to the second edge of the surface to be worked on, so there is no need to process the surface material provided along the second edge, or even if processing is necessary, it is sufficient to cut parallel to the end edge, which reduces the effort required for herringbone pasting of the surface material.

また、本発明に係る面材の施工方法では、起点面材ユニット貼り付け工程では、前記第１縁部の前記第１方向の中心から前記第１方向の両側に向かって前記起点面材ユニットを貼り付けてもよい。このような構成とすることにより、施工対象面に貼り付けられた面材が第１方向に対称となり、意匠性をよくすることができる。 In addition, in the method for constructing a surface material according to the present invention, in the starting point surface material unit attaching step, the starting point surface material unit may be attached from the center of the first edge portion in the first direction toward both sides in the first direction. With this configuration, the surface material attached to the surface to be constructed becomes symmetrical in the first direction, improving the design.

また、本発明に係る面材の施工方法では、起点面材ユニット貼り付け工程では、前記第１縁部の前記第１方向の一方側から他方側に向かって前記起点面材ユニットを貼り付けてもよい。このような構成とすることにより、起点面材ユニットの数を最小に抑えることができ、コスト削減を図ることができるとともに、廃材を減らすことができる。 In addition, in the method for constructing a surface material according to the present invention, in the starting surface material unit attaching step, the starting surface material unit may be attached from one side of the first edge portion in the first direction to the other side. By adopting such a configuration, the number of starting surface material units can be minimized, which can reduce costs and waste materials.

本発明によれば、面材をヘリンボン状に貼る際の手間を軽減することができる。 The present invention reduces the effort required to apply facings in a herringbone pattern.

本発明の第１実施形態による面材が施工された施工対象面を示す平面図である。1 is a plan view showing a construction target surface to which a surface material according to a first embodiment of the present invention has been applied. FIG. 第１面材の平面図である。FIG. 図２のＡ－Ａ線断面図である。3 is a cross-sectional view taken along line AA in FIG. 2. 第２面材の平面図である。FIG. 起点面材ユニットの平面図である。A plan view of the starting surface material unit. 第１中間部面材ユニットの平面図である。FIG. 4 is a plan view of the first intermediate panel unit. 第２中間部面材ユニットの平面図である。FIG. 4 is a plan view of the second intermediate panel unit. 終点面材ユニットの平面図である。FIG. 13 is a plan view of the end surface material unit. 第１実施形態による面材の施工方法の起点面材ユニット貼り付け工程、中間部面材ユニット貼り付け工程を説明する図である。11A to 11C are diagrams illustrating the starting point surface material unit attaching process and the intermediate surface material unit attaching process of the surface material construction method according to the first embodiment. 面材単体貼り付け工程を説明する図である。FIG. 11 is a diagram illustrating a process of attaching a surface material alone. 終点面材ユニット貼り付け工程を説明する図である。FIG. 13 is a diagram illustrating the end point surface material unit attaching process. 第２実施形態による面材の施工方法を示す図である。11A to 11C are diagrams showing a method of applying a surface material according to a second embodiment.

（第１実施形態）
以下、本発明の第１実施形態による面材の施工方法、ヘリンボン貼り用の起点面材ユニットおよびヘリンボン貼り用の中間部面材ユニットについて、図１－図１１に基づいて説明する。
図１に示すように、本実施形態では施工対象面１となる床面に、面が長尺の長方形となる長尺矩形状の複数の面材２，３（床材）をヘリンボン状に貼り付けている。施工対象面１の縁部は、互いに直交する第１方向（図のＸ方向）および第２方向（図のＹ方向）の何れかに延びる直線となっている。第１方向および第２方向は、施工対象面１に沿った直線方向である。
本実施形態では、第１方向に延びる施工対象面１の縁部のうち、第２方向の一方側に位置する縁部を第１縁部１１とし、第２方向の他方側に位置し第１縁部に平行な縁部を第２縁部１２とする。第２方向に延びる施工対象面１の縁部のうち、第１方向の一方側に位置する縁部を第３縁部１３とし、第１方向の他方側に位置する縁部を第４縁部１４とする。本実施形態では、施工対象面１に、第２方向の一方側から他方側に向かって面材２，３を施工する。 First Embodiment
Hereinafter, a method for applying a surface material according to a first embodiment of the present invention, a starting surface material unit for herringbone application, and an intermediate surface material unit for herringbone application will be described with reference to Figs. 1 to 11.
As shown in Fig. 1, in this embodiment, a number of long rectangular surface materials 2, 3 (floor materials) are attached in a herringbone pattern to a floor surface that is a construction target surface 1. The edges of the construction target surface 1 are straight lines extending in either a first direction (X direction in the figure) or a second direction (Y direction in the figure) that are perpendicular to each other. The first direction and the second direction are linear directions that run along the construction target surface 1.
In this embodiment, of the edges of the construction target surface 1 extending in the first direction, the edge located on one side in the second direction is referred to as a first edge 11, and the edge located on the other side in the second direction and parallel to the first edge is referred to as a second edge 12. Of the edges of the construction target surface 1 extending in the second direction, the edge located on one side in the first direction is referred to as a third edge 13, and the edge located on the other side in the first direction is referred to as a fourth edge 14. In this embodiment, the surface materials 2 and 3 are constructed on the construction target surface 1 from one side to the other side in the second direction.

複数の面材２，３は、平板状に形成されている。面材２，３の面の長尺の長方形の長辺に沿った方向を長辺方向とし、短辺に沿った方向を短辺方向とする。面材２，３の面に直交する方向を厚さ方向とする。複数の面材２，３は、第１方向および第２方向に対して斜めとなる第３方向（図の矢印Ａの方向）および第４方向（図の矢印Ｂの方向）の何れかに沿って配置される。第３方向および第４方向は、それぞれ施工対象面１に沿った直線方向で、互いに交差する方向である。 The multiple surface materials 2, 3 are formed in a flat plate shape. The direction along the long side of the long rectangular surface of the surface materials 2, 3 is the long side direction, and the direction along the short side is the short side direction. The direction perpendicular to the surface of the surface materials 2, 3 is the thickness direction. The multiple surface materials 2, 3 are arranged along either a third direction (the direction of arrow A in the figure) or a fourth direction (the direction of arrow B in the figure), which are oblique to the first and second directions. The third and fourth directions are each linear directions along the construction surface 1, and are directions that intersect with each other.

本実施形態では、第３方向および第４方向は、それぞれ第１方向および第２方向に対して４５°をなす方向である。第３方向は、第１方向の一方側から他方側に向かって漸次第２方向の一方側から他方側に向かう直線に沿った方向で、第４方向は、第１方向の一方側から他方側に向かって漸次第２方向の他方側から一方側に向かう直線に沿った方向である。第３方向における第１方向の一方側かつ第２方向の一方側となる側を一方側とし、第１方向の他方側かつ第２方向の他方側となる側を他方側とする。第４方向における第１方向の一方側かつ第２方向の他方側となる側を一方側とし、第１方向の他方側かつ第２方向の一方側となる側を他方側とする。 In this embodiment, the third direction and the fourth direction are directions that form 45° with respect to the first direction and the second direction, respectively. The third direction is a direction along a straight line that gradually moves from one side of the first direction toward the other side, and the fourth direction is a direction along a straight line that gradually moves from the other side of the first direction toward the other side. The side of the third direction that is one side of the first direction and one side of the second direction is defined as one side, and the side that is the other side of the first direction and the other side of the second direction is defined as the other side. The side of the fourth direction that is one side of the first direction and the other side of the second direction is defined as one side, and the side that is the other side of the first direction and one side of the second direction is defined as the other side.

複数の面材２，３のうち、長辺を第３方向に沿って配置する面材２を第１面材２とし、長辺を第４方向に沿って配置する面材３を第２面材３とする。第１面材２は、その面の長方形の短辺が第４方向に沿って配置される。第２面材３は、その面の長方形の短辺が第３方向に沿って配置される。 Of the multiple panel materials 2, 3, the panel material 2 whose long side is arranged along the third direction is referred to as the first panel material 2, and the panel material 3 whose long side is arranged along the fourth direction is referred to as the second panel material 3. The first panel material 2 has its rectangular short side arranged along the fourth direction. The second panel material 3 has its rectangular short side arranged along the third direction.

図２に示す第１面材２における長辺に沿った縁部のうち、第４方向の一方側に配置される長辺に沿った縁部を第１長辺縁部２１とし、第４方向の他方側に配置される長辺に沿った縁部を第２長辺縁部２２とする。第１面材２における短辺のうち、第３方向の一方側に配置される短辺に沿った縁部を第１短辺縁部２３とし、第３方向の他方側に配置される短辺に沿った縁部を第２短辺縁部２４とする。 Of the edges along the long sides of the first panel 2 shown in FIG. 2, the edge along the long side located on one side in the fourth direction is referred to as the first long side edge 21, and the edge along the long side located on the other side in the fourth direction is referred to as the second long side edge 22. Of the short sides of the first panel 2, the edge along the short side located on one side in the third direction is referred to as the first short side edge 23, and the edge along the short side located on the other side in the third direction is referred to as the second short side edge 24.

図３に示すように、第１面材２の第１長辺縁部２１には、第４方向の一方側に突出する凸部２１ａが形成されている。凸部２１ａは、第１長辺縁部２１における厚さ方向の中央部から突出している。凸部２１ａは、第１長辺縁部２１に沿って延びている。第１面材２の第２長辺縁部２２には、第４方向の一方側に凹んだ凹部２２ａが形成されている。凹部２２ａは、凸部２１ａの凸形状に対応した凹形状である。凹部２２ａは、第２長辺縁部２２における厚さ方向の中央部に形成されている。凹部２２ａは、第２長辺縁部２２に沿って延びている。第１面材２の第１短辺縁部２３には、第３方向の一方側に突出する凸部２３ａが形成されている。凸部２３ａは、凸部２１ａと同一の凸形状である。凸部２３ａは、第１短辺縁部２３における厚さ方向の中央部から突出している。凸部２３ａは、第１短辺縁部２３に沿って延びている。第１面材２の第２短辺縁部２４には、第３方向の一方側に凹んだ凹部２４ａが形成されている。凹部２４ａは、凸部２３ａの凸形状に対応した凹形状である。凹部２４ａは、第２短辺縁部２４における厚さ方向の中央部に形成されている。凹部２４ａは、第２短辺縁部２４に沿って延びている。 As shown in FIG. 3, a convex portion 21a is formed on the first long edge portion 21 of the first panel 2, protruding to one side in the fourth direction. The convex portion 21a protrudes from the center of the first long edge portion 21 in the thickness direction. The convex portion 21a extends along the first long edge portion 21. A concave portion 22a is formed on the second long edge portion 22 of the first panel 2, recessed to one side in the fourth direction. The concave portion 22a has a concave shape corresponding to the convex shape of the convex portion 21a. The concave portion 22a is formed in the center of the second long edge portion 22 in the thickness direction. The concave portion 22a extends along the second long edge portion 22. A convex portion 23a is formed on the first short edge portion 23 of the first panel 2, protruding to one side in the third direction. The convex portion 23a has the same convex shape as the convex portion 21a. The protruding portion 23a protrudes from the center of the first short edge portion 23 in the thickness direction. The protruding portion 23a extends along the first short edge portion 23. The second short edge portion 24 of the first panel 2 has a recessed portion 24a recessed on one side in the third direction. The recessed portion 24a has a recessed shape corresponding to the convex shape of the protruding portion 23a. The recessed portion 24a is formed in the center of the second short edge portion 24 in the thickness direction. The recessed portion 24a extends along the second short edge portion 24.

図４に示す第２面材３における長辺に沿った縁部のうち、第３方向の一方側に配置される長辺に沿った縁部を第１長辺縁部３１とし、第３方向の他方側に配置される長辺に沿った縁部を第２長辺縁部３２とする。第１面材２における短辺のうち、第４方向の一方側に配置される短辺に沿った縁部を第１短辺縁部３３とし、第４方向の他方側に配置される短辺に沿った縁部を第２短辺縁部３４とする。 Of the edges along the long sides of the second panel 3 shown in FIG. 4, the edge along the long side located on one side in the third direction is referred to as the first long side edge 31, and the edge along the long side located on the other side in the third direction is referred to as the second long side edge 32. Of the short sides of the first panel 2, the edge along the short side located on one side in the fourth direction is referred to as the first short side edge 33, and the edge along the short side located on the other side in the fourth direction is referred to as the second short side edge 34.

第２面材３の第１長辺縁部３１には、第３方向の一方側に突出する凸部３１ａが形成されている。凸部３１ａは、第１長辺縁部３１における厚さ方向の中央部から突出している。凸部３１ａは、第１長辺縁部３１に沿って延びている。第２面材３の第２長辺縁部３２には、第３方向の一方側に凹んだ凹部３２ａが形成されている。凹部３２ａは、凸部３１ａの凸形状に対応した凹形状である。凹部３２ａは、第２長辺縁部３２における厚さ方向の中央部に形成されている。凹部３２ａは、第２長辺縁部３２に沿って延びている。第２面材３の第１短辺縁部３３には、第４方向の一方側に突出する凸部３３ａが形成されている。凸部３３ａは、凸部３１ａと同一の凸形状である。凸部３３ａは、第１短辺縁部３３における厚さ方向の中央部から突出している。凸部３３ａは、第１短辺縁部３３に沿って延びている。第２面材３の第２短辺縁部３４には、第４方向の一方側に凹んだ凹部３４ａが形成されている。凹部３４ａは、凸部３３ａの凸形状に対応した凹形状である。凹部３４ａは、第１短辺縁部３３における厚さ方向の中央部に形成されている。凹部３４ａは、第２短辺縁部３４に沿って延びている。 A convex portion 31a is formed on the first long edge portion 31 of the second panel 3, protruding to one side in the third direction. The convex portion 31a protrudes from the center of the thickness direction of the first long edge portion 31. The convex portion 31a extends along the first long edge portion 31. A concave portion 32a is formed on the second long edge portion 32 of the second panel 3, recessed to one side in the third direction. The concave portion 32a has a concave shape corresponding to the convex shape of the convex portion 31a. The concave portion 32a is formed in the center of the thickness direction of the second long edge portion 32. The concave portion 32a extends along the second long edge portion 32. A convex portion 33a is formed on the first short edge portion 33 of the second panel 3, protruding to one side in the fourth direction. The convex portion 33a has the same convex shape as the convex portion 31a. The convex portion 33a protrudes from the center of the first short edge portion 33 in the thickness direction. The convex portion 33a extends along the first short edge portion 33. The second short edge portion 34 of the second panel 3 has a concave portion 34a that is recessed on one side in the fourth direction. The concave portion 34a has a concave shape that corresponds to the convex shape of the convex portion 33a. The concave portion 34a is formed in the center of the first short edge portion 33 in the thickness direction. The concave portion 34a extends along the second short edge portion 34.

図１に示すように、複数の第１面材２は、４５°傾いた状態で、且つ隣り合う第１面材２どうしが、その幅寸法（凸部２１ａを除いた幅寸法、仕上がった状態での幅寸法）だけ長手方向にずれるように第２方向に並んで配置される。第２方向に隣り合う第１面材２は、第２方向の一方側に配置される第１面材２の第１長辺縁部２１と、第２方向の他方側に配置される第１面材２の第２長辺縁部２２と隙間なく対向する。第１長辺縁部２１の凸部２１ａが第２長辺縁部２２の凹部２２ａにはめ込まれる。対向する第１長辺縁部２１と、第２長辺縁部２２とは、第１長辺縁部２１における第３方向の他方側の端部近傍の部分が第２長辺縁部２２よりも第３方向の他方側に突出し、第２長辺縁部２２における第３方向の一方側の端部近傍の部分が第１長辺縁部２１よりも第３方向の一方側に突出している。第１長辺縁部２１における第３方向の他方側の端部近傍を第１長辺接続縁部２１１とする。第２長辺縁部２２における第３方向の一方側の端部近傍の部分を第２長辺接続縁部２２１とする。第１長辺接続縁部２１１および第２長辺接続縁部２２１の長さは、第１短辺縁部２３および第２短辺縁部２４の長さと略同じ長さとなっている。 As shown in Figure 1, multiple first face materials 2 are arranged side by side in the second direction, tilted at 45°, and such that adjacent first face materials 2 are shifted in the longitudinal direction by their width dimension (width dimension excluding convex portion 21a, width dimension in finished state). Adjacent first face materials 2 in the second direction face each other without any gaps, with the first long side edge 21 of the first face material 2 arranged on one side in the second direction facing the second long side edge 22 of the first face material 2 arranged on the other side in the second direction. The convex portion 21a of the first long side edge 21 fits into the concave portion 22a of the second long side edge 22. The opposing first long edge 21 and second long edge 22 have a portion near the end of the first long edge 21 on the other side in the third direction that protrudes further in the third direction than the second long edge 22, and a portion near the end of one side in the third direction of the second long edge 22 that protrudes further in the third direction than the first long edge 21. The portion near the end of the first long edge 21 on the other side in the third direction is the first long side connecting edge 211. The portion near the end of the second long edge 22 on one side in the third direction is the second long side connecting edge 221. The length of the first long side connecting edge 211 and the second long side connecting edge 221 is approximately the same as the length of the first short side edge 23 and the second short side edge 24.

複数の第２面材３は、４５°傾いた状態で、且つ隣り合う第１面材２どうしが、その幅寸法（凸部３１ａを除いた幅寸法、仕上がった状態での幅寸法）だけ長手方向にずれるように第２方向に並んで配置される。第２方向に隣り合う第２面材３は、第２方向の一方側に配置される第２面材３の第１長辺縁部３１と、第２方向の他方側に配置される第２面材３の第２長辺縁部３２と隙間なく対向する。第１長辺縁部３１の凸部３１ａが第２長辺縁部３２の凹部３２ａにはめ込まれる。対向する第１長辺縁部３１と、第２長辺縁部３２とは、第１長辺縁部３１における第４方向の他方側の端部近傍の部分が第２長辺縁部３２よりも第３方向の他方側に突出し、第２長辺縁部３２における第４方向の一方側の端部近傍の部分が第１長辺縁部３１よりも第４方向の一方側に突出している。第１長辺縁部３１における第４方向の他方側の端部近傍を第１長辺接続縁部３１１とする。第２長辺縁部３２における第４方向の一方側の端部近傍の部分を第２長辺接続縁部３２１とする。第１長辺接続縁部３１１および第２長辺接続縁部３２１の長さは、第１短辺縁部３３および第２短辺縁部３４の長さと略同じ長さとなっている。 The multiple second face materials 3 are arranged in the second direction in a state tilted by 45° and such that adjacent first face materials 2 are shifted in the longitudinal direction by their width dimension (width dimension excluding the convex portion 31a, width dimension in the finished state). Adjacent second face materials 3 in the second direction face each other without any gaps between the first long side edge portion 31 of the second face material 3 arranged on one side in the second direction and the second long side edge portion 32 of the second face material 3 arranged on the other side in the second direction. The convex portion 31a of the first long side edge portion 31 fits into the concave portion 32a of the second long side edge portion 32. The opposing first long edge 31 and second long edge 32 have a portion near the other end of the first long edge 31 in the fourth direction that protrudes further in the third direction than the second long edge 32, and a portion near the one end of the second long edge 32 in the fourth direction that protrudes further in the fourth direction than the first long edge 31. The portion near the other end of the first long edge 31 in the fourth direction is the first long side connecting edge 311. The portion near the one end of the second long edge 32 in the fourth direction is the second long side connecting edge 321. The length of the first long side connecting edge 311 and the second long side connecting edge 321 is approximately the same as the length of the first short edge 33 and the second short edge 34.

第１面材２と第２面材３とは、第２方向の軸を対象軸とする線対称形状をなしており、表面側の形状（凸部を除いた形状、仕上がった状態での形状）は同一である。また、第１面材２および第２面材３の４辺の表面側の隅角部にはそれぞれ面取りが施されており、これらが組み合わされた際には、継ぎ目に沿って溝が形成される。第１面材２および第２面材３のいずれか一方の短辺縁部が、第１面材２および第２面材３の他方の長辺接続縁部に接続されることで、ヘリンボン貼りのジグザク状のパターンの基本単位が構成されている。 The first panel 2 and the second panel 3 are symmetrical about the axis in the second direction, and have the same shape on the surface side (shape excluding convex parts, shape in finished state). In addition, the corners on the surface side of the four sides of the first panel 2 and the second panel 3 are chamfered, and when these are combined, a groove is formed along the joint. The short side edge of either the first panel 2 or the second panel 3 is connected to the long side connecting edge of the other of the first panel 2 and the second panel 3, forming the basic unit of the herringbone zigzag pattern.

第１面材２および第２面材３は、複数接続されてユニットとして施工対象面１に貼り付けられるとともに、単体で貼り付けられる。面材２，３が複数接続されたユニットには、起点面材ユニット４、第１中間部面材ユニット５、第２中間部面材ユニット６および終点面材ユニット７がある。起点面材ユニット４は、施工対象面１の第１縁部１１に沿って配置される。終点面材ユニット７は、施工対象面１の第２縁部１２に沿って配置される。第１中間部面材ユニット５および第２中間部面材ユニット６は、起点面材ユニット４と終点面材ユニット７との間に配置される。 The first surface material 2 and the second surface material 3 are connected in multiple units and attached to the construction surface 1 as a unit, and are also attached individually. A unit in which the surface materials 2, 3 are connected in multiple units includes a starting surface material unit 4, a first intermediate surface material unit 5, a second intermediate surface material unit 6, and an end surface material unit 7. The starting surface material unit 4 is positioned along the first edge 11 of the construction surface 1. The end surface material unit 7 is positioned along the second edge 12 of the construction surface 1. The first intermediate surface material unit 5 and the second intermediate surface material unit 6 are positioned between the starting surface material unit 4 and the end surface material unit 7.

図５に示すように、起点面材ユニット４は、それぞれ第２方向の一方側の部分が切断された３つの第１面材２と、それぞれ第２方向の一方側の部分が切断された３つの第２面材３と、これらの面材２，３の裏面に接着された緩衝材４１と、を有している。 As shown in FIG. 5, the starting surface material unit 4 has three first surface materials 2 each having a portion cut on one side in the second direction, three second surface materials 3 each having a portion cut on one side in the second direction, and a cushioning material 41 adhered to the back surface of these surface materials 2, 3.

３つの第１面材２は、第２方向に並んで配置されている。３つの第１面材２は、第２方向の一方側に配置される第１面材２よりもその第２方向の他方側に配置される第１面材２の方が切断されている部分が小さく、第３方向に長くなっている。３つの第１面材２の第２方向の一方側の端部は、それぞれ第１方向に延びる直線状に切断されている。それぞれ切断されて形成された３つの第１面材２の縁部を切断縁部４２とする。３つの第１面材２それぞれの切断縁部４２は、第１方向に延びる直線上に並んで配置されている。 The three first surface materials 2 are arranged side by side in the second direction. The cut portion of the first surface material 2 arranged on one side in the second direction is smaller in the first surface material 2 arranged on the other side in the second direction than in the first surface material 2 arranged on the other side in the second direction, and the first surface material 2 is longer in the third direction. The ends on one side in the second direction of the three first surface materials 2 are each cut in a straight line extending in the first direction. The edges of the three first surface materials 2 formed by cutting are referred to as cut edges 42. The cut edges 42 of the three first surface materials 2 are arranged side by side on a straight line extending in the first direction.

３つの第２面材３は、第２方向に並んで配置されている。３つの第２面材３は、第２方向の一方側に配置される第２面材３よりもその第２方向の他方側に配置される第２面材３の方が切断されている部分が小さく、第４方向に長くなっている。３つの第２面材３の第２方向の一方側の端部は、それぞれ第１方向に延びる直線状に切断されている。それぞれ切断されて形成された３つの第１面材２の縁部を切断縁部４３とする。３つの第２面材３それぞれの切断縁部４３は、第１方向に延びる直線上に並んで配置されている。 The three second surface materials 3 are arranged side by side in the second direction. The cut portion of the second surface material 3 arranged on one side in the second direction is smaller in the second surface material 3 arranged on the other side in the second direction than in the second surface material 3 arranged on the other side in the second direction, and the second surface materials 3 are longer in the fourth direction. The ends of the three second surface materials 3 on one side in the second direction are each cut in a straight line extending in the first direction. The edges of the three first surface materials 2 formed by cutting are referred to as cut edge portions 43. The cut edge portions 43 of the three second surface materials 3 are arranged side by side on a straight line extending in the first direction.

起点面材ユニット４の３つの第１面材２と３つの第２面材３とは、３つの第１面材２が３つの第２面材３の第１方向の一方側に配置される。第１面材２の第２短辺縁部２４と、第２面材３の第１長辺接続縁部３１１とが隙間なく対向して接続される。第２短辺縁部２４の凹部２４ａに第１長辺接続縁部３１１の凸部３１ａが嵌め込まれる。第２面材３の第２短辺縁部２４と、第１面材２の第１長辺接続縁部２１１とが隙間なく対向して接続される。第２短辺縁部２４の凹部２４ａに第１長辺接続縁部２１１の凸部２１ａが嵌め込まれる。３つの第１面材２の切断縁部と、３つの第２面材３の切断縁部とは、第１方向に延びる直線上に並んで配置されている。起点面材ユニット４の第２方向の一方側に配置される３つの第１面材２の切断縁部４２と３つの第２面材３の切断縁部４３とを合わせた縁部を起点縁部４４とする。起点縁部４４は、３つの第１面材２と３つの第２面材３とが互いに組み合わされるとともに、緩衝材４１で連結された状態で切断されることにより形成される。 The three first surface materials 2 and the three second surface materials 3 of the starting surface material unit 4 are arranged such that the three first surface materials 2 are arranged on one side of the three second surface materials 3 in the first direction. The second short side edge portion 24 of the first surface material 2 and the first long side connecting edge portion 311 of the second surface material 3 are connected facing each other without any gaps. The convex portion 31a of the first long side connecting edge portion 311 is fitted into the concave portion 24a of the second short side edge portion 24. The second short side edge portion 24 of the second surface material 3 and the first long side connecting edge portion 211 of the first surface material 2 are connected facing each other without any gaps. The convex portion 21a of the first long side connecting edge portion 211 is fitted into the concave portion 24a of the second short side edge portion 24. The cut edge portions of the three first surface materials 2 and the cut edge portions of the three second surface materials 3 are arranged side by side on a straight line extending in the first direction. The edge portion formed by combining the cut edge portions 42 of the three first panel materials 2 and the cut edge portions 43 of the three second panel materials 3 arranged on one side of the starting panel material unit 4 in the second direction is the starting edge portion 44. The starting edge portion 44 is formed by combining the three first panel materials 2 and the three second panel materials 3 with each other and cutting them while connected by the cushioning material 41.

起点面材ユニット４は、第２方向の他方側に配置された第１面材２の第２長辺縁部２２および第２方向の他方側に配置された第２面材３の第２短辺縁部３４がなす直線を斜辺とし、第２方向の他方側に配置された第２面材３の第２長辺縁部３２がなす直線を斜辺とし、起点縁部４４がなす直線を底辺とする直角二等辺三角形状に形成されている。第２面材３の第２短辺縁部３４と第２長辺縁部３２とがなす角部４６が直角三角形の直角を成す角部となっている。斜辺に位置する第１面材２と第２面材３は、起点縁部４４の形成後も当初の長さが確保されている。また、起点縁部４４（底辺）には、起点縁部４４の幅寸法（第１方向の寸法）の中心を示す窪み４５が設けられている。 The starting surface material unit 4 is formed in a right-angled isosceles triangle shape with the straight line formed by the second long edge 22 of the first surface material 2 arranged on the other side in the second direction and the second short edge 34 of the second surface material 3 arranged on the other side in the second direction as the hypotenuse, the straight line formed by the second long edge 32 of the second surface material 3 arranged on the other side in the second direction as the hypotenuse, and the straight line formed by the starting edge 44 as the base. The corner 46 formed by the second short edge 34 and the second long edge 32 of the second surface material 3 is a corner that forms a right angle of the right triangle. The first surface material 2 and the second surface material 3 located on the hypotenuse are secured to their original length even after the starting edge 44 is formed. In addition, a recess 45 is provided in the starting edge 44 (base) to indicate the center of the width dimension (dimension in the first direction) of the starting edge 44.

緩衝材４１は、起点面材ユニット４の面材２，３それぞれの裏面の全領域にわたって貼り付けられている。緩衝材４１は、可撓性を有する材料、または弾性変形可能な材料からなるマット状部材である。隣り合う面材２，３は、接着材等で互いに直接的に固定されている必要はなく、緩衝材４１を介することで互いに連結した状態が維持される。なお、起点面材ユニット４は、複数の面材２，３を組み合わせて構成されたものでなくてもよく、例えば、１枚の面材の表面に溝を設けることであたかも面材２，３を組み合わせたように見えるものであってもよい。 The cushioning material 41 is attached over the entire area of the back surface of each of the panels 2 and 3 of the starting panel unit 4. The cushioning material 41 is a mat-like member made of a flexible material or an elastically deformable material. The adjacent panel materials 2 and 3 do not need to be directly fixed to each other with an adhesive or the like, and are kept connected to each other via the cushioning material 41. The starting panel unit 4 does not have to be constructed by combining multiple panel materials 2 and 3; for example, a groove may be provided on the surface of a single panel material so that it looks as if the panel materials 2 and 3 are combined.

第１中間部面材ユニット５は、４つの第１面材２と、４つの第１面材２の裏面に接着された緩衝材５１と、を有している。４つの第１面材２は、第２方向に並んで配置されている。緩衝材５１は、第１中間部面材ユニット５を構成する４つの第１面材２の裏面の全領域にわたって貼り付けられている。緩衝材５１は、可撓性を有する材料または弾性変形可能な材料からなるマット状部材である。隣り合う第１面材２どうしは、接着材等で互いに直接的に固定されておらず、緩衝材５１を介することで互いに連結した状態が維持されおり、隣り合う第１面材２どうしを完全に分離させることなく継ぎ目部分で上面側が凸となるように折り曲げることが可能に構成されている。このように構成することで、狭い空間での施工（凸部と凹部のはめ込み作業）の手間を軽減することができる。 The first intermediate panel unit 5 has four first panels 2 and a cushioning material 51 attached to the back surface of the four first panels 2. The four first panels 2 are arranged in a line in the second direction. The cushioning material 51 is attached to the entire area of the back surface of the four first panels 2 constituting the first intermediate panel unit 5. The cushioning material 51 is a mat-shaped member made of a flexible material or an elastically deformable material. Adjacent first panels 2 are not directly fixed to each other with an adhesive or the like, but are kept connected to each other through the cushioning material 51, and are configured to be able to be folded so that the upper surface side is convex at the joint without completely separating the adjacent first panels 2. This configuration reduces the effort required for construction in a narrow space (fitting the convex and concave parts).

第２中間部面材ユニット６は、４つの第２面材３と、４つの第２面材３の裏面に接着された緩衝材６１と、を有している。４つの第２面材３は、第２方向に並んで配置されている。緩衝材６１は、第２中間部面材ユニット６を構成する４つの第２面材３の裏面の全領域にわたって貼り付けられている。緩衝材６１は、可撓性を有する材料または弾性変形可能な材料からなるマット状部材である。隣り合う第２面材３どうしは、接着材等で互いに直接的に固定されておらず、緩衝材６１を介することで互いに連結した状態が維持されおり、隣り合う第２面材３どうしを完全に分離させることなく継ぎ目部分で上面側が凸となるように折り曲げることが可能に構成されている。このように構成することで、狭い空間での施工（凸部と凹部のはめ込み作業）の手間を軽減することができる。 The second intermediate panel unit 6 has four second panels 3 and a cushioning material 61 attached to the back surface of the four second panels 3. The four second panels 3 are arranged in a line in the second direction. The cushioning material 61 is attached to the entire back surface of the four second panels 3 constituting the second intermediate panel unit 6. The cushioning material 61 is a mat-shaped member made of a flexible material or an elastically deformable material. Adjacent second panels 3 are not directly fixed to each other with an adhesive or the like, but are kept connected to each other through the cushioning material 61, and are configured to be able to be folded so that the upper surface side is convex at the joint without completely separating the adjacent second panels 3. This configuration reduces the effort required for construction in a narrow space (fitting the convex and concave parts).

終点面材ユニット７は、４つの第１面材２と、４つの第２面材３と、これらの面材２，３裏面に接着された緩衝材７１と、を有している。４つの第１面材２は、第２方向に並んで配置されている。４つの第１面材２は、第２方向の一方側に配置される第１面材２以外は、第２方向の他方側の部分が切断されている。４つの第１面材２は、第２方向の一方側に配置される第１面材２よりもその第２方向の他方側に配置される第１面材２の方が切断されている部分が大きく、第３方向に短くなっている。切断されている３つの第１面材２の第２方向の他方側の端部は、それぞれ第１方向に延びる直線状に切断されている。それぞれ切断されて形成された３つの第１面材２の縁部を切断縁部７２とする。３つの第１面材２それぞれの切断縁部７２は、第１方向に延びる直線上に並んで配置されている。切断縁部７２は、第２方向の一方側に配置される第１面材２よりも第２方向の他方側に配置されている。 The end surface material unit 7 has four first surface materials 2, four second surface materials 3, and a cushioning material 71 bonded to the back surface of these surface materials 2 and 3. The four first surface materials 2 are arranged in a line in the second direction. The four first surface materials 2 are cut on the other side of the second direction, except for the first surface material 2 arranged on one side of the second direction. The cut portion of the first surface material 2 arranged on the other side of the second direction is larger than that of the first surface material 2 arranged on one side of the second direction, and is shorter in the third direction. The other end of the three cut first surface materials 2 on the second direction is cut in a straight line extending in the first direction. The edge of the three first surface materials 2 formed by cutting is called a cut edge portion 72. The cut edge portion 72 of each of the three first surface materials 2 is arranged in a line extending in the first direction. The cutting edge portion 72 is positioned on the other side in the second direction relative to the first face material 2 that is positioned on one side in the second direction.

４つの第２面材３は、第２方向に並んで配置されている。４つの第２面材３は、第２方向の一方側に配置される第１面材２以外は、第２方向の他方側の部分が切断されている。４つの第２面材３は、第２方向の一方側に配置される第１面材２よりもその第２方向の他方側に配置される第１面材２の方が切断されている部分が大きく、第４方向に短くなっている。切断されている３つの第２面材３の第２方向の他方側の端部は、それぞれ第１方向に延びる直線状に切断されている。それぞれ切断されて形成された３つの第２面材３の縁部を切断縁部７３とする。３つの第２面材３それぞれの切断縁部７３は、第１方向に延びる直線上に並んで配置されている。切断縁部７３は、第２方向の一方側に配置される第２面材３よりも第２方向の他方側に配置されている。 The four second surface materials 3 are arranged in a line in the second direction. The four second surface materials 3 are cut on the other side of the second direction, except for the first surface material 2 arranged on one side of the second direction. The four second surface materials 3 have a larger cut portion on the first surface material 2 arranged on the other side of the second direction than the first surface material 2 arranged on one side of the second direction, and are shorter in the fourth direction. The ends on the other side of the second direction of the three cut second surface materials 3 are each cut in a straight line extending in the first direction. The edges of the three second surface materials 3 formed by cutting are called cut edges 73. The cut edges 73 of the three second surface materials 3 are arranged in a line extending in the first direction. The cut edges 73 are arranged on the other side of the second direction than the second surface material 3 arranged on one side of the second direction.

終点面材ユニット７の４つの第１面材２と４つの第２面材３とは、４つの第１面材２が４つの第２面材３の第２方向の他方側に配置される。起点面材ユニット４とは、第１面材２と第２面材３との配置が逆となる。第１面材２の第１短辺縁部２３と、第２面材３の第２長辺接続縁部３２１とが隙間なく対向して接続される、第２面材３の第１短辺縁部３３と、第１面材２の第２長辺接続縁部２２１とが隙間なく対向して接続される。切断されている３つの第１面材２の切断縁部７２と、切断されている３つの第２面材３の切断縁部７３とは、第１方向に延びる直線上に並んで配置されている。終点面材ユニット７の第１方向の他方側に配置される３つの第１面材２の切断縁部７２と３つの第２面材３の切断縁部７３とを合わせた縁部を終点縁部７４とする。終点面材ユニット７には、第２方向の一方側に第２方向の一方側に位置する第１面材２の第１短辺縁部２３と第１長辺縁部２１とがなす角部７５が位置している。 The four first surface materials 2 and the four second surface materials 3 of the end surface material unit 7 are arranged on the other side of the four second surface materials 3 in the second direction. The arrangement of the first surface materials 2 and the second surface materials 3 is reversed from that of the start surface material unit 4. The first short side edge 23 of the first surface material 2 and the second long side connecting edge 321 of the second surface material 3 are connected facing each other without any gaps, and the first short side edge 33 of the second surface material 3 and the second long side connecting edge 221 of the first surface material 2 are connected facing each other without any gaps. The cut edge portions 72 of the three cut first surface materials 2 and the cut edge portions 73 of the three cut second surface materials 3 are arranged side by side on a straight line extending in the first direction. The combined edge of the cut edge 72 of the three first panel materials 2 and the cut edge 73 of the three second panel materials 3 arranged on the other side of the end panel material unit 7 in the first direction is the end panel edge 74. The end panel material unit 7 has a corner 75 formed by the first short edge 23 and the first long edge 21 of the first panel material 2 located on one side in the second direction located on one side in the second direction.

緩衝材７１は、終点面材ユニット７の面材２，３の裏面の全領域にわたって貼り付けられている。緩衝材７１は、可撓性を有する材料または弾性変形可能な材料からなるマット状部材である。隣り合う面材２，３は、接着材等で互いに直接的に固定されている必要はなく、緩衝材７１を介することで互いに連結した状態が維持される。終点縁部７４は、３つの第１面材２と３つの第２面材３とが互いに組み合わされるとともに緩衝材７１で連結された状態で切断されることにより形成される。起点面材ユニット４の起点縁部４４（すなわち施工対象面１の第２縁部１２）に対し平行、且つ直線状に連続している。なお、終点面材ユニット７は、起点面材ユニット４と同様に、複数の面材２，３を組み合わせて構成されたものでなくてもよく、例えば、１枚の面材の表面に溝を設けることであたかも面材２，３を組み合わせたように見えるものであってもよい。 The cushioning material 71 is attached to the entire area of the back surface of the surface materials 2 and 3 of the end surface material unit 7. The cushioning material 71 is a mat-like member made of a flexible material or an elastically deformable material. The adjacent surface materials 2 and 3 do not need to be directly fixed to each other with an adhesive or the like, and are maintained connected to each other through the cushioning material 71. The end edge portion 74 is formed by combining three first surface materials 2 and three second surface materials 3 with each other and cutting them while connected with the cushioning material 71. It is parallel to the starting edge portion 44 of the starting surface material unit 4 (i.e., the second edge portion 12 of the construction target surface 1) and continues in a straight line. Note that the end surface material unit 7 does not have to be composed of a combination of multiple surface materials 2 and 3, as with the starting surface material unit 4, and may be, for example, a surface material that looks as if it is a combination of surface materials 2 and 3 by providing a groove on the surface of one surface material.

次に、第１実施形態による面材の施工方法について説明する。本実施形態における施工対象面１は、建物内部の床面であり、周囲が壁で囲まれている。ここでは、長方形の一部が切り欠かれたＬ字形状の施工対象面１に面材２，３を施工する方法について説明する。 Next, a method for installing a surface material according to the first embodiment will be described. In this embodiment, the surface 1 to be installed is a floor surface inside a building, and is surrounded by walls. Here, a method for installing surface materials 2 and 3 on the surface 1 to be installed, which is an L-shaped surface with part of a rectangle cut out, will be described.

まず、図９に示すように、施工対象面１における第１方向の中心線１５を引き、中心線から第１方向の両側に割り付けるようにして起点面材ユニット４をその起点縁部４４が施工対象面１の第１縁部１１に沿うように隙間なく貼り付ける（起点面材ユニット貼り付け工程）。この際、第１方向の中央に配置する起点面材ユニット４における起点縁部４４の中央部の窪み４５や頂点位置を中心線１５に合わせるように施工対象面１の第１縁部１１に沿うようにする。また、第１方向の両端部に配置される起点面材ユニット４は、施工対象面１の第３縁部１３および第４縁部１４の位置に合わせて第１方向の一方側または他方側を切除する。なお、施工対象面１に第１方向の中心線１５を引く際に、起点面材ユニット４の起点縁部４４の長さに対応したピッチで中心線１５と平行となる線をひき、この線を中央に配置される起点面材ユニット４以外の起点面材ユニット４の位置決めの目安としてもよい。 First, as shown in FIG. 9, a center line 15 in the first direction on the construction surface 1 is drawn, and the starting point surface material units 4 are attached without gaps so that their starting edge portions 44 are aligned with the first edge portion 11 of the construction surface 1 by allocating them to both sides of the center line in the first direction (starting point surface material unit attachment process). At this time, the starting point surface material units 4 arranged at the center of the first direction are aligned with the first edge portion 11 of the construction surface 1 so that the central recess 45 and apex position of the starting point edge portion 44 of the starting point surface material unit 4 arranged at the center of the first direction are aligned with the center line 15. In addition, the starting point surface material units 4 arranged at both ends in the first direction are cut on one side or the other side in the first direction to match the positions of the third edge portion 13 and the fourth edge portion 14 of the construction surface 1. When drawing the center line 15 in the first direction on the construction surface 1, a line parallel to the center line 15 can be drawn at a pitch corresponding to the length of the starting edge 44 of the starting surface material unit 4, and this line can be used as a guide for positioning the starting surface material units 4 other than the starting surface material unit 4 located in the center.

続いて、起点面材ユニット４における第２方向の他方側に第１中間部面材ユニット５、第２中間部面材ユニット６、第１面材２および第２面材３を貼り付ける（中間部面材貼り付け工程）。まず、起点面材ユニット４における第２方向の他方側に第１中間部面材ユニット５および第２中間部面材ユニット６を隣接するユニットの凹部に凸部をはめ込むようにして貼り付ける（中間部面材ユニット貼り付け工程）。この際、起点面材ユニット４の第１面材２の第２方向の他方側には、第１中間部面材ユニット５を貼り付け、起点面材ユニット４の第２面材３の第２方向の他方側には、第２中間部面材ユニット６を貼り付ける。起点面材ユニット４の第２方向の他方側の端部に位置する第１面材２の第２長辺縁部２２と、第１中間部面材ユニット５の第２方向の一方側の端部に位置する第１面材２の第１長辺縁部２１とを接続する。起点面材ユニット４の第２方向の他方側の端部に位置する第２面材３の第２長辺縁部３２と、第２中間部面材ユニット６の第２方向の一方側の端部に位置する第２面材３の第１長辺縁部３１とを接続する。また、第１方向の両端部に配置される第１中間部面材ユニット５，第２中間部面材ユニット６は、起点面材ユニット４と同様に、施工対象面１の第３縁部１３および第４縁部１４の位置に合わせて第１方向の一方側または他方側を切除する。また、第１中間部面材ユニット５および第２中間部面材ユニット６は、第１方向の一方の端部から他方の端部に向かって第１中間部面材ユニット５と第２中間部面材ユニット６とを交互に貼り付ける。起点面材ユニット４の第２方向の他方側に第１中間部面材ユニット５および第２中間部面材ユニット６を第１方向の一方の端部から他方の端部に向かって貼り付けたら、その第２方向の他方側に同様に第１中間部面材ユニット５および第２中間部面材ユニット６を第１方向の一方の端部から他方の端部に向かって交互に貼り付ける。 Next, the first intermediate panel unit 5, the second intermediate panel unit 6, the first panel 2 and the second panel 3 are attached to the other side of the starting panel unit 4 in the second direction (intermediate panel attachment process). First, the first intermediate panel unit 5 and the second intermediate panel unit 6 are attached to the other side of the starting panel unit 4 in the second direction so as to fit the convex portion into the concave portion of the adjacent unit (intermediate panel unit attachment process). At this time, the first intermediate panel unit 5 is attached to the other side of the second direction of the first panel 2 of the starting panel unit 4, and the second intermediate panel unit 6 is attached to the other side of the second direction of the second panel 3 of the starting panel unit 4. The second long edge portion 22 of the first panel 2 located at the end of the other side of the second direction of the starting panel unit 4 is connected to the first long edge portion 21 of the first panel 2 located at the end of one side of the second direction of the first intermediate panel unit 5. The second long edge 32 of the second panel 3 located at the end on the other side in the second direction of the starting panel unit 4 is connected to the first long edge 31 of the second panel 3 located at the end on one side in the second direction of the second intermediate panel unit 6. Similarly to the starting panel unit 4, the first intermediate panel unit 5 and the second intermediate panel unit 6 arranged at both ends in the first direction are cut off on one or the other side in the first direction to match the positions of the third edge 13 and the fourth edge 14 of the construction target surface 1. The first intermediate panel unit 5 and the second intermediate panel unit 6 are alternately attached from one end to the other end in the first direction. After attaching the first intermediate panel unit 5 and the second intermediate panel unit 6 to the other side of the starting panel unit 4 in the second direction from one end to the other end in the first direction, the first intermediate panel unit 5 and the second intermediate panel unit 6 are similarly attached alternately to the other side in the second direction from one end to the other end in the first direction.

このとき、第１方向に隣り合う第１面材２と第２面材３とは、第１面材２の第１短辺縁部２３と第２面材３の第２長辺接続縁部３２１とを対向させ（図２および図４参照）、第２面材３の第１短辺縁部３３と第１面材２の第２長辺接続縁部２２１とを対向させ、第１面材２の第２短辺縁部２４と第２面材３の第１長辺接続縁部３１１とを対向させ、第２面材３の第２短辺縁部３４と第１面材２の第１長辺接続縁部２１１とを対向させるように配置する。なお、以下の面材単体貼り付け工程および終点面材ユニット貼り付け工程においても第１方向に隣り合う第１面材２と第２面材３とは、上記のように配置する。 At this time, the first panel 2 and the second panel 3 adjacent in the first direction are arranged so that the first short edge 23 of the first panel 2 faces the second long side connecting edge 321 of the second panel 3 (see Figures 2 and 4), the first short edge 33 of the second panel 3 faces the second long side connecting edge 221 of the first panel 2, the second short edge 24 of the first panel 2 faces the first long side connecting edge 311 of the second panel 3, and the second short edge 34 of the second panel 3 faces the first long side connecting edge 211 of the first panel 2. Note that the first panel 2 and the second panel 3 adjacent in the first direction are also arranged as described above in the panel unit attachment process and the end panel unit attachment process described below.

続いて、起点面材ユニット４の第２方向の他方側に設けられた第１中間部面材ユニット５および第２中間部面材ユニット６の更に第２方向の他方側に、第２方向の一方側から他方側に向かって施工対象面１の第２縁部１２よりも内側となる位置まで第１中間部面材ユニット５および第２中間部面材ユニット６を貼り付ける。第１中間部面材ユニット５および第２中間部面材ユニット６は、上述しているように第２方向の一方側から他方側に向かって交互に貼る。第１中間部面材ユニット５の第２方向の他方側には、第１中間部面材ユニット５を貼り付け、第２中間部面材ユニット６の第２方向の他方側には、第２中間部面材ユニット６を貼り付ける。 Next, the first intermediate panel material unit 5 and the second intermediate panel material unit 6 are attached to the other side of the starting panel material unit 4 in the second direction from one side to the other side in the second direction to a position inside the second edge 12 of the construction target surface 1. The first intermediate panel material unit 5 and the second intermediate panel material unit 6 are attached alternately from one side to the other side in the second direction as described above. The first intermediate panel material unit 5 is attached to the other side in the second direction of the first intermediate panel material unit 5, and the second intermediate panel material unit 6 is attached to the other side in the second direction of the second intermediate panel material unit 6.

続いて、図１０に示すように、第２方向の他方側に貼り付けられた第１中間部面材ユニット５の第２方向の他方側に第１面材２の単体を貼り付け、第２方向の他方側に貼り付けられた第２中間部面材ユニット６の第２方向の他方側に第２面材３の単体を貼り付ける（面材単体貼り付け工程）。第１面材２および第２面材３は、第１方向の一方側から他方側に向かって交互に貼る。第１面材２および第２面材３は、第２方向に１つのみまたは複数（第１中間部面材ユニット５を構成する第１面材２および第２中間部面材ユニット６を構成する第２面材３の数以下、本実施形態では３以下）配列する。単体で貼られた第１面材２および第２面材３と第２縁部１２との間の領域には、終点面材ユニット７が貼り付けられる。単体の第１面材２および第２面材３の枚数は、単体で貼られた第１面材２および第２面材３と第２縁部１２との間が、終点面材ユニット７の終点縁部７４側の切断加工が発生しない寸法、または切断寸法が最小となる寸法となるように調整する。 Next, as shown in FIG. 10, a single piece of the first panel 2 is attached to the other side in the second direction of the first intermediate panel unit 5 attached to the other side in the second direction, and a single piece of the second panel 3 is attached to the other side in the second direction of the second intermediate panel unit 6 attached to the other side in the second direction (single panel attachment process). The first panel 2 and the second panel 3 are attached alternately from one side to the other side in the first direction. Only one or more first panel materials 2 and second panel materials 3 are arranged in the second direction (not more than the number of first panel materials 2 and second panel materials 3 constituting the first intermediate panel unit 5 and the second intermediate panel unit 6, three or less in this embodiment). An end panel unit 7 is attached to the area between the first panel material 2 and second panel material 3 attached individually and the second edge portion 12. The number of individual first and second surface materials 2 and 3 is adjusted so that the distance between the first and second surface materials 2 and 3 attached individually and the second edge portion 12 is such that no cutting occurs on the end edge portion 74 side of the end surface material unit 7, or such that the cutting dimension is minimized.

続いて、図１１に示すように、単体で貼られた第１面材２および第２面材３の第２方向の他方側に終点面材ユニット７を貼り付ける（終点面材ユニット貼り付け工程）。単体で貼られた第１面材２の第２方向の他方側に終点面材ユニット７の第１面材２を配置し、単体で貼られた第２面材３の第２方向の他方側に終点面材ユニット７の第２面材３を配置する。この際、終点面材ユニット７の終点縁部７４が施工対象面１の第２縁部１２に沿うように終点面材ユニット７を施工する。終点面材ユニット７は、第１方向に隣接する２つの起点面材ユニット４のうち、第１方向の一方側の起点面材ユニット４の右斜辺（第２長辺縁部３２）に連続する第２面材３と、他方側の起点面材ユニット４の左斜辺（第２長辺縁部２２）に連続する第１面材２とに跨るように貼り付ける。なお、単体で貼られた第１面材２および第２面材３と第２縁部１２との間の寸法よりも、終点面材ユニット７の第２方向の寸法が大きい場合は、終点面材ユニット７の終点縁部７４側を終点縁部７４に対し平行に切除する。また、第１方向の両端部に配置される終点面材ユニット７は、起点面材ユニット４等と同様に、施工対象面１の第３縁部１３および第４縁部１４の位置に合わせて第１方向の一方側または他方側を切除する。このようにして施工対象面１にヘリンボン状に面材が貼り付けられる。 Next, as shown in FIG. 11, the end point surface material unit 7 is attached to the other side in the second direction of the first surface material 2 and the second surface material 3 attached individually (end point surface material unit attachment process). The first surface material 2 of the end point surface material unit 7 is placed on the other side in the second direction of the first surface material 2 attached individually, and the second surface material 3 of the end point surface material unit 7 is placed on the other side in the second direction of the second surface material 3 attached individually. At this time, the end point surface material unit 7 is installed so that the end edge portion 74 of the end point surface material unit 7 is along the second edge portion 12 of the construction target surface 1. The end point surface material unit 7 is attached so as to straddle the second surface material 3 that is continuous with the right oblique side (second long side edge portion 32) of the start point surface material unit 4 on one side in the first direction, and the first surface material 2 that is continuous with the left oblique side (second long side edge portion 22) of the start point surface material unit 4 on the other side, of the two start point surface material units 4 adjacent in the first direction. If the dimension of the end surface material unit 7 in the second direction is greater than the dimension between the first surface material 2 and the second surface material 3 attached individually and the second edge 12, the end edge 74 side of the end surface material unit 7 is cut off parallel to the end edge 74. Similarly to the start surface material unit 4, the end surface material units 7 arranged at both ends in the first direction are cut off on one or the other side in the first direction to match the positions of the third edge 13 and the fourth edge 14 of the construction target surface 1. In this way, the surface material is attached to the construction target surface 1 in a herringbone pattern.

次に、本発明の第１実施形態による面材の施工方法、起点面材ユニット４および中間部面材ユニット（第１中間部面材ユニット５、第２中間部面材ユニット６）の作用・効果について図面を用いて説明する。
第１実施形態による面材の施工方法では、起点縁部４４が予め一直線状に加工された起点面材ユニット４を施工対象面１の第１縁部１１に沿って連続的に貼り付けることで、第１縁部１１に沿って設けられる面材２，３を第１方向の中間部で加工する必要が無く、面材２，３をヘリンボン貼りする際の手間を軽減することができる。 Next, the method of installing surface material according to the first embodiment of the present invention, and the action and effect of the starting surface material unit 4 and the intermediate surface material units (first intermediate surface material unit 5, second intermediate surface material unit 6) will be explained with reference to the drawings.
In the method of installing surface materials according to the first embodiment, by continuously attaching starting surface material units 4, whose starting edge portions 44 have been pre-processed into a straight line, along the first edge portion 11 of the surface to be installed 1, it is not necessary to process the surface materials 2, 3 provided along the first edge portion 11 in the middle portion in the first direction, thereby reducing the effort required when installing the surface materials 2, 3 in a herringbone pattern.

また、本発明に係る面材の施工方法では、終点面材ユニット７の終点縁部７４が施工対象面１の第２縁部１２に平行となるように構成されている。これにより、第２縁部１２に沿って設けられる面材２，３を加工する必要が無い、または加工が必要な際も終点縁部７４に対し平行に切断すればよいため、面材２，３をヘリンボン貼りする際の手間を軽減することができる。 In addition, in the method of applying the surface material according to the present invention, the end edge 74 of the end surface material unit 7 is configured to be parallel to the second edge 12 of the surface 1 to be applied. This eliminates the need to process the surface materials 2 and 3 that are provided along the second edge 12, or, even if processing is required, it is sufficient to cut them parallel to the end edge 74, reducing the effort required to apply the surface materials 2 and 3 in a herringbone pattern.

また、本発明に係る面材の施工方法では、起点面材ユニット貼り付け工程では、第１縁部１１の第１方向の中心から第１方向の両側に向かって起点面材ユニット４を貼り付けている。このような構成とすることにより、施工対象面１に貼り付けられた面材２，３が第１方向に対称となり、意匠性をよくすることができる。 In addition, in the method for constructing a surface material according to the present invention, in the starting point surface material unit attachment process, the starting point surface material unit 4 is attached from the center of the first direction of the first edge portion 11 toward both sides in the first direction. With this configuration, the surface materials 2 and 3 attached to the construction target surface 1 are symmetrical in the first direction, improving the design.

（第２実施形態）
次に、本発明の第２実施形態について、添付図面に基づいて説明するが、上述の第１実施形態と同一又は同様な部材、部分には同一の符号を用いて説明を省略し、実施形態と異なる構成について説明する。図１２に示すように、第２実施形態による面材の施工方法では、まず、起点面材ユニット４を貼り付ける工程の後に、第１方向の一方側の端部に配置される第２中間部面材ユニット６を第２方向の一方側から他方側に向かって張り付ける第１工程を行う。続いて、第１工程で貼り付けられた第１中間部面材ユニット５の第２方向の他方側に第２面材３の単体を貼り付ける第２工程を行う。続いて、第３工程で貼り付けられた第２面材３の単体の第２方向の他方側に終点面材ユニット７を、適宜加工を行った上で貼り付ける第３工程を行う。続いて、第３工程で貼り付けられた終点面材ユニット７の第２方向の一方側に第１面材２の単体を貼り付ける第４工程を行う。続いて、第４工程で貼り付けられた第１面材２の単体の第２方向の一方側に第１中間部面材ユニット５を貼り付ける第５工程を行う。第５工程では、第２方向の一方側に配置される起点面材ユニット４に達するまで第１中間部面材ユニット５を貼り付ける。 Second Embodiment
Next, the second embodiment of the present invention will be described based on the attached drawings, but the same reference numerals will be used for the same or similar members and parts as those in the first embodiment, and the description will be omitted, and the configuration different from the embodiment will be described. As shown in FIG. 12, in the method of installing a surface material according to the second embodiment, first, after the step of attaching the starting surface material unit 4, the first step is performed in which the second intermediate surface material unit 6 arranged at the end on one side in the first direction is attached from one side to the other side in the second direction. Then, the second step is performed in which a single piece of the second surface material 3 is attached to the other side in the second direction of the first intermediate surface material unit 5 attached in the first step. Then, the third step is performed in which the end surface material unit 7 is attached to the other side in the second direction of the single piece of the second surface material 3 attached in the third step after being appropriately processed. Then, the fourth step is performed in which a single piece of the first surface material 2 is attached to one side in the second direction of the end surface material unit 7 attached in the third step. Next, a fifth step is performed in which a first intermediate panel unit 5 is attached to one side in the second direction of the single piece of first panel 2 attached in the fourth step. In the fifth step, the first intermediate panel unit 5 is attached until it reaches the starting panel unit 4 arranged on one side in the second direction.

上記の第１工程から第５工程を複数回繰り返すことで施工対象面１の全面に対して第１面材２および第２面材３を施工する。 The above steps 1 to 5 are repeated multiple times to apply the first surface material 2 and the second surface material 3 to the entire surface of the target surface 1.

第２実施形態による面材の施工方法では、第１実施形態による面材の施工方法と同様の効果を奏する。更には、第１中間部面材ユニット５および第２中間部面材ユニット６をそれぞれ第２方向に沿って順次連続的に貼り付ける場合、２つのユニットによって形成される凹部にユニットの凸部をはめ込む作業がなくなり、第１中間部面材ユニット５と第２中間部面材ユニット６を第１方向に交互に施工する場合と比べて、容易に施工することができる。 The method of constructing the panel according to the second embodiment has the same effect as the method of constructing the panel according to the first embodiment. Furthermore, when the first intermediate panel unit 5 and the second intermediate panel unit 6 are attached in sequence along the second direction, the work of fitting the convex portion of the unit into the concave portion formed by the two units is eliminated, and construction can be performed more easily than when the first intermediate panel unit 5 and the second intermediate panel unit 6 are installed alternately in the first direction.

以上、本発明による面材の施工方法、ヘリンボン貼り用の起点面材ユニットおよびヘリンボン貼り用の中間部面材ユニットの実施形態について説明したが、本発明は上記の実施形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更可能である。例えば、上記の実施形態では、起点面材ユニット４と終点面材ユニット７との間を、複数の第１中間部面材ユニット５、複数の第２中間部面材ユニット６、複数の第１面材２の単体、及び複数の第２面材３の単体の組み合せで構成したが、複数の第１面材２の単体、及び複数の第２面材３の単体の組み合せで構成してもよい。また、上記の実施形態では、施工対象面１の第１方向の中心から第１方向の両側に向かって起点面材ユニット４を配置しているが、施工対象面１の第１方向の一方の端部から他方の端部側に向かって起点面材ユニット４を配置してもよい。このようにすることにより、各面材ユニットの使用数を最小に抑えることができ、コストおよび廃材の削減を図ることができ、更に、第１方向の一方の端部の加工は予め面材ユニットの製作段階で行い、建設現場での加工は第１方向の他方の端部側だけとすることで、現場での作業の負荷を低減させることができる。 The above describes the embodiment of the method for applying the surface material according to the present invention, the starting surface material unit for herringbone application, and the intermediate surface material unit for herringbone application, but the present invention is not limited to the above embodiment and can be modified as appropriate within the scope of the gist of the present invention. For example, in the above embodiment, the starting surface material unit 4 and the end surface material unit 7 are configured with a combination of multiple first intermediate surface material units 5, multiple second intermediate surface material units 6, multiple single pieces of the first surface material 2, and multiple single pieces of the second surface material 3, but it may be configured with a combination of multiple single pieces of the first surface material 2 and multiple single pieces of the second surface material 3. In addition, in the above embodiment, the starting surface material unit 4 is arranged from the center of the first direction of the application target surface 1 toward both sides in the first direction, but the starting surface material unit 4 may be arranged from one end of the application target surface 1 toward the other end side in the first direction. By doing this, the number of each surface material unit used can be kept to a minimum, reducing costs and waste materials; furthermore, processing of one end in the first direction is performed in advance during the manufacturing stage of the surface material unit, and processing at the construction site is limited to the other end in the first direction, reducing the workload on site.

上記の実施形態では、施工対象面１の第２縁部１２に沿って第２縁部１２に沿った直線部分を有する終点面材ユニット７を設けている。終点面材ユニット７を設けずに、第２縁部１２に沿って加工した第１中間部面材ユニット５や第２中間部面材ユニット６を設けてもよいし、加工した第１面材２や第２面材３を設けてもよい。 In the above embodiment, an end surface material unit 7 having a straight portion along the second edge 12 of the construction target surface 1 is provided along the second edge 12. Instead of providing an end surface material unit 7, a first intermediate surface material unit 5 and a second intermediate surface material unit 6 that are machined along the second edge 12 may be provided, or a machined first surface material 2 and a machined second surface material 3 may be provided.

上記の実施形態では、施工対象面１が床面で面材２，３が床材であるが、施工対象面１が壁や天井で、面材２，３が壁材や天井材であってもよい。また、施工対象面１が家具や機器類の面で、面材２，３が化粧面材であってもよい。 In the above embodiment, the construction target surface 1 is a floor surface and the surface materials 2 and 3 are floor materials, but the construction target surface 1 may be a wall or ceiling and the surface materials 2 and 3 may be wall materials or ceiling materials. Also, the construction target surface 1 may be the surface of furniture or equipment and the surface materials 2 and 3 may be decorative surface materials.

１施工対象面
２面材
２第１面材（中間部面材）
３面材
３第２面材（中間部面材）
４起点面材ユニット
５第１中間部面材ユニット（中間部面材、中間部面材ユニット）
６第２中間部面材ユニット（中間部面材、中間部面材ユニット）
７終点面材ユニット
１１第１縁部
１２第２縁部
４４起点縁部
７４終点縁部 1 Construction surface 2 Surface material 2 First surface material (middle surface material)
3. Surface material 3 Second surface material (middle surface material)
4 Starting point surface material unit 5 First intermediate surface material unit (intermediate surface material, intermediate surface material unit)
6 Second intermediate surface material unit (intermediate surface material, intermediate surface material unit)
7 End point surface material unit 11 First edge portion 12 Second edge portion 44 Starting point edge portion 74 End point edge portion

Claims

In a method for applying a surface material, a plurality of long rectangular surface materials are applied in a herringbone pattern to a surface to be applied,
A starting point surface material unit attaching process is a process of attaching a starting point surface material unit formed by combining a plurality of the surface materials along a first edge portion extending in a first direction on the construction surface and located on one side of a second direction perpendicular to the first direction;
and an intermediate surface material attaching step of attaching an intermediate surface material toward the other side of the starting point surface material unit in the second direction on the construction target surface,
The plurality of face materials are
A first surface material is attached to the construction target surface so that a long side direction extends in a third direction inclined with respect to the first direction and the second direction;
A second surface material is attached to the construction surface so that the long side direction extends in a fourth direction that is line-symmetrical to the third direction with the second direction as an axis of symmetry;
The starting surface material unit is configured such that a plurality of the first surface materials arranged in the second direction and a plurality of the second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward the other side in the second direction, and one side in the second direction of the connected plurality of the first surface materials and the plurality of the second surface materials is cut along a straight line extending in the first direction to form a linearly continuous starting edge portion, thereby forming an isosceles right triangle;
The method for constructing a surface material is characterized in that, in the starting point surface material unit attaching process, the starting point surface material unit is attached to the construction target surface so that the starting point edge portion is aligned with the first edge portion.

An end point surface material unit attaching step is provided for attaching an end point surface material unit to the other side of the intermediate surface material in the second direction on the construction target surface;
The end surface material unit is configured such that a plurality of the first surface materials arranged in a second direction and a plurality of the second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward one side in the second direction, and the other side in the second direction of the connected plurality of the first surface materials and the connected plurality of the second surface materials are cut along a straight line extending in the first direction to form a linearly continuous end edge portion,
The method for constructing surface materials as described in claim 1, characterized in that in the end surface material unit attachment process, the first surface material of the end surface material unit is continuous with the other side in the second direction of the intermediate surface material which is continuous with the other side in the second direction of the first surface material of the starting surface material unit, the second surface material of the end surface material unit is continuous with the other side in the second direction of the intermediate surface material which is continuous with the other side in the second direction of the second surface material of the starting surface material unit, and the end edge of the end surface material unit is positioned on the other side in the second direction on the construction surface and along a second edge extending from the end edge in the first direction.

The method for constructing a surface material according to claim 1 or 2, characterized in that in the starting point surface material unit attachment process, the starting point surface material unit is attached from the center of the first edge portion in the first direction toward both sides in the first direction.

The method for constructing a surface material according to any one of claims 1 to 3, characterized in that in the starting point surface material unit attachment process, the starting point surface material unit is attached from one side of the first edge portion in the first direction to the other side.

A starting surface material unit for herringbone application, which is a combination of a plurality of long rectangular surface materials that are applied in a herringbone pattern to a surface to be applied, and which is applied along a first edge portion that extends in a first direction on the surface to be applied and is located on one side of a second direction perpendicular to the first direction,
The plurality of face materials are
A first surface material is attached to the construction target surface so that a long side direction extends in a third direction inclined with respect to the first direction and the second direction;
A second surface material is attached to the construction surface so that the long side direction extends in a fourth direction that is line-symmetrical to the third direction with the second direction as an axis of symmetry;
The starting surface material unit for herringbone laying is characterized in that a plurality of first surface materials arranged in the second direction and a plurality of second surface materials arranged in the second direction are connected to each other in the first direction so as to be convex toward the other side of the second direction, and one side of the connected plurality of first surface materials and a plurality of second surface materials in the second direction are cut along a straight line extending in the first direction to form a linearly continuous starting edge portion, thereby forming a right-angled isosceles triangle.