JP2020084548A - Method for repairing crack of surface finish material - Google Patents

Abstract

To provide a method for repairing a crack of a surface finish material that can repair the crack in a short time at a low cost through easy work.SOLUTION: The present invention relates to a method for repairing a crack made in a surface finish material made of synthetic resin of a finish structure using the surface finish material. The finish structure is for a floor, a wall, a column, a beam, a ceiling, and a staircase. The method has: a cutting step of cutting the crack to form a repair groove having a depth equal to or less than a thickness of the surface finish material; a filling step of filling the repair groove with a repair material made of the same material with the surface finish material to raise the repair material from a surface of the surface finish material; and a polishing step of polishing the surface of the surface finish material flatly after the filled repair material is hardened.SELECTED DRAWING: Figure 2

Description

The present invention relates to a method for repairing cracks in a surface finish material.

BACKGROUND ART Conventionally, there is known a floor in which tiles are used as a surface finishing material, a plurality of tiles are arranged at appropriate intervals, and joints are formed between adjacent tiles (see, for example, Patent Document 1). If such a floor tile is cracked, the cracked tile is scraped off along with the surrounding joints, the exposed base is leveled, and then a new tile is pasted to form a joint around the tile. It is repairing.

JP 2001-234626 A

The tiles used on a wide surface such as the floor as described above are large in size, and repairing cracks in the tiles involves peeling the cracked tiles, leveling the base, pasting new tiles, forming joints, etc. Any of the steps is time-consuming and complicated. Further, since the work of picking up the tile is accompanied by the generation of dust and noise, it is necessary to cure the tile by surrounding it. Therefore, it takes more time and effort. In addition, a large amount of costs will be incurred such as the cost of curing surroundings, material costs for new tiles, and disposal costs for scraped tiles.
In addition, the place where the tile is attached cannot be used until the adhesive such as mortar or adhesive is cured, and if the repair place is the floor of the aisle, the passage is restricted for a long time. There must be. Further, even if the crack is once repaired, the crack may occur again, and when the crack occurs, it is necessary to repeat the repair with great effort, time and cost each time. is there.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a method for repairing cracks in a surface finish material that can be repaired in a short time at low cost by a simple operation.

In order to achieve such an object, the method for repairing the crack of the surface finish material of the present invention is
A method of repairing a crack in a surface finish material for repairing a crack generated in the surface finish material of a finishing structure using a synthetic resin surface finish material,
The finishing structure is a finishing structure for floors, walls, columns, beams, ceilings, and stairs,
A cutting step of cutting the cracks to form a repair groove having a depth equal to or less than the thickness of the surface finish material,
A filling step of filling a repair material made of the same material as the surface finish material into the repair groove by raising it from the surface of the surface finish material.
A polishing step of flatly polishing the surface of the surface finish material after the filled repair material is cured,
It is a method for repairing cracks in a surface finish material.

According to such a method for repairing cracks in surface finish materials, cracked surface finish materials are not picked up, so there is no need for labor-intensive work such as dust or noise, and also when surrounding the site. No curing is required. Therefore, the work can be completed in a shorter time.

Further, since the repair groove filled with the repair material is formed by cutting the crack, the width of the repair groove is wider than the width of the crack. Therefore, the repair material can be filled easily and surely. At this time, since the depth of the repair groove is equal to or less than the thickness of the surface finish material, the base such as concrete is not cut. For this reason, the cutting operation is easy, and it is possible to perform cutting with only a small tool for cutting the synthetic resin.

In addition, repair work is easy because the repair groove is formed by cutting cracks, the repair material is filled, and the surface of the surface finish material is ground flat after the repair material has hardened. It is possible to finish with. In addition, the amount of repair material used for repair is only the amount that heaps up from the surface of the surface finish material and fills it, the surroundings are not cured, and there is no need to dispose of tiles that are no longer needed. It is possible. Further, since the surface finish material is made of synthetic resin and the repair material is filled with the same material for repair, the repaired portion is inconspicuous and can be finished neatly.

A method of repairing cracks in the surface finish material, wherein the depth of the repair groove is less than the thickness of the surface finish material.
According to such a method for repairing cracks in the surface finish material, since the depth of the repair groove is less than the thickness of the surface finish material, the existing surface finish material remains under the formed repair groove. There is. Therefore, it is possible to reliably prevent the blade of the tool from coming into contact with the base such as concrete when cutting the surface finish material. Therefore, it is possible to form the repair groove in the surface finish material without damaging the blade of the tool.

A method for repairing cracks in such surface finish material,
The repair groove is characterized in that a width of a surface side of the surface finish material is wider than a width of a bottom side thereof.
According to such a method for repairing cracks in the surface finish material, since the width of the surface side of the repair groove is wider than the width of the bottom side of the surface finish material, it is easy to fill the repair groove into the repair groove, and the repair material can be deeper. It is possible to fill.

A method for repairing cracks in such surface finish material,
The repair groove is formed by a router.
According to such a method for repairing cracks in the surface finish material, it is possible to easily form a repair groove having a desired shape by using a tip tool forming a blade of a router having an appropriate shape.

A method for repairing cracks in such surface finish material,
The inside of the repair groove is cleaned after the cutting step.

According to such a method for repairing cracks in the surface finish material, since the inside of the repair groove is cleaned after the cutting process, cutting chips do not remain in the repair groove. Therefore, a larger amount of repair material can be filled, and the filled repair material can be more reliably integrated with the existing surface finishing material.

A method for repairing cracks in such surface finish material,
The finishing structure is a floor surface.

According to such a method for repairing cracks in the surface finish material, the time required to cure the repair material is shorter than the time required to cure the mortar, etc. It is possible to use the floor surface made by A immediately after the completion of repair work.

According to the present invention, it is possible to provide a method for repairing cracks in a surface finish material that can be repaired at low cost in a short time with a simple operation.

It is a figure which shows the floor which makes an example of the finishing structure repaired by the crack repair method of the surface finish material which concerns on this embodiment. It is sectional drawing which shows the procedure of the repair method of the crack of the surface finish material which concerns on this embodiment.

Hereinafter, a method for repairing cracks in the surface finish material of the present invention will be described with reference to the drawings.
In the present embodiment, for example, in a floor as a finishing structure formed by arranging a plurality of resin panels as a surface finishing material made of a synthetic resin in a panel shape, cracks generated in the resin panel An example of repairing cracks in the finishing material will be described.

In the floor 1 to be repaired in the present embodiment, for example, as shown in FIG. 1, a plurality of resin panels 2 are arranged vertically and horizontally at a predetermined interval from each other, and between the resin panels 2 adjacent to each other. The joint 3 is formed by filling the sealing material. The resin panel 2 is made of acrylic resin, polyester resin, or the like, has a thickness of, for example, about 6 to 12 mm, and has a length of one side of 300 mm or more. As shown in FIG. 2A, each resin panel 2 is attached to a concrete base 4 with an adhesive layer 5 made of mortar or an organic adhesive interposed therebetween. Examples of the resin panel 2 include Corian (registered trademark) manufactured by DuPont MCC Co., Ltd. Table 1 shows the physical properties of Corian (registered trademark).

As shown in FIG. 2( b ), the method for repairing cracks in the surface finish material of the present invention is to first cut the cracks 2 a with respect to the cracks 2 a generated in the resin panel 2 of the floor 1 and then to the inner surface 2 b side of the cracks. The dirt and the like are removed and a predetermined width is secured (cutting step S1). At this time, for example, by forming a V-shaped groove (hereinafter referred to as V groove) 6 along the crack by using a portable resin processing router or the like to which a V-groove tip tool is attached. , The crack 2a is cut. Here, the V groove 6 corresponds to the repair groove formed in the cutting step S1. The tip tool is a blade or grindstone that is formed of diamond, carbon, or the like, and has a conical shape, a cylindrical shape, a round shape, a trapezoidal shape, or the like, and has an appropriate shape based on the shape of the repair groove to be formed. A repair groove is formed using a tip tool.

As shown in FIG. 2C, the formed V groove 6 has a depth D that is shallower than the thickness t of the resin panel 2. That is, the existing resin panel 2 remains on the bottom 6a of the formed V groove 6 to the extent that at least the adhesive layer 5 such as mortar or adhesive is not exposed. Further, the V groove 6 is formed such that the width W1 of the bottom portion 6a is 1 to 3 mm and the width W2 of the V groove 6 on the surface 2c of the resin panel 2 is 2 to 5 mm, and the width widens toward the front surface side. ..
Next, the inside of the formed V groove 6 is cleaned by removing cutting chips and the like with a vacuum, a blower or the like.

Next, the V-groove 6 is filled with the repair material 7 which is the same synthetic resin material as the existing resin panel 2 and has the same color (filling step S2). At this time, as shown in FIG. 2D, the filled repair material 7 fills the V groove 6 and fills the resin panel 2 so as to rise above the surface 2c.

Finally, after the filled repair material 7 is cured, the raised repair material 7 and the surface 2c of the resin panel 2 are polished to flatten the surface 2c of the resin panel 2 as shown in FIG. 2(e). (Polishing step S3). At this time, in the polishing step S3, it is desirable that the polishing is performed stepwise so that the eyes become finer one after another by a plurality of types of files such as those having different meshes.

For example, first, the surface of the repair material 7 is removed by polishing with a file having coarse meshes, and then the surface 2c is smoothed with a file having finer meshes than the first file. Finally, the surface 2c is polished by a file having a finer mesh than the second file or, for example, ScotchBright (registered trademark) manufactured by 3M Company, so that the repaired portion and the existing floor surface are made compatible with each other to complete the repair. At this time, if the crack 2a reaches the joint 3 or if the joint 3 is damaged by the cutting process S1 or the like, the sealing material is re-fixed to repair the joint 3.

According to the method for repairing the crack 2a of the resin panel 2 of the present embodiment, since the cracked resin panel 2 is not picked up in units of the resin panel 2, a troublesome work such as dust and noise is not performed, In addition, there is no need for curing to surround the site. Therefore, the work can be completed in a short time.

Further, since the V groove 6 is formed by cutting the crack 2a, the width of the V groove 6 is wider than the width of the crack. For this reason, it is possible to fill the crack 2a more easily and surely than when the repair material 7 is directly filled. In particular, the repair groove 6 formed is the V groove 6 whose width becomes wider toward the front surface 2c side, so that the repair material 7 can be more easily filled. At this time, it is desirable that the width of the V groove 6 and the viscosity of the repair material 7 are appropriately set so that the repair material 7 easily flows in and easily remains and rises. For example, the viscosity of the repair material 7 is 500 to 100,000 mPa·s, preferably 500 to 40,000 mPa·s, and more preferably 1000 to 40,000 mPa·s. A more specific image is that the repair material placed in a cup is It has a viscosity that does not spill when the cup is turned upside down.

Further, the repair work is to fill the repair material 7 into the V-groove 6 formed by cutting the crack 2a, and after the repair material 7 is hardened, the surface 2c side of the resin panel 2 is ground flatly. Is easy and can be finished in a short time. In addition, the repair material 7 used for repair is only the amount that heaps up and is filled from the surface 2c of the resin panel 2, does not cure surroundings, and does not incur disposal costs for unnecessary tiles. It is possible to suppress. Further, since the resin panel 2 is made of synthetic resin and the repairing material 7 of the same color and the same material is filled for repairing, the repaired portion is inconspicuous and can be finished neatly.

Further, after finishing the surface 2c, curing such as tiles bonded with mortar or the like is not required. Therefore, the repaired floor 1 can be used immediately after the repair work is completed. At this time, since the time required for curing the repair material 7 is shorter than the time required for curing the mortar or the like, the work can be completed in a shorter time than the conventional repair.

Further, since the depth D of the V groove 6 is shallower than the thickness t of the resin panel 2, the existing portion of the resin panel 2 remains below the formed V groove 6. That is, since only the synthetic resin is cut, the cutting operation is easy, and the cutting can be performed only with a small tool for cutting the synthetic resin. Further, when the resin panel 2 is cut, the tip tool as a blade of the tool does not come into contact with the base 4 such as concrete. Therefore, the V groove 6 can be formed in the resin panel 2 without damaging the tip tool. Further, since it is not necessary to carefully proceed so that the tip tool does not come into contact with the base 4, it is possible to proceed with the cutting work faster.

Further, since the V groove 6 is formed by a router, it is possible to easily form the V groove 6 by using a tip tool having an appropriate shape.

Moreover, since the inside of the V groove 6 is cleaned after the cutting step S1, the cutting waste does not remain in the V groove 6. Therefore, more repair material 7 can be filled in the V groove 6, and the filled repair material 7 can be more reliably integrated with the existing part of the resin panel 2.

In the above-described embodiment, an example in which the depth D of the V groove 6 is formed to be shallower than the thickness t of the resin panel 2 has been described, but the depth of the V groove 6 is the same as the thickness t of the resin panel 2. I don't care. Further, when the existing resin panel 2 is adhered by a resin adhesive, the V groove 6 may reach the adhesive layer.

Further, in the above-described embodiment, an example in which the crack 2a is cut to form the V groove 6 in the cutting step S1 has been described, but the groove may not necessarily be V-shaped. For example, a U-shape or any other shape may be used as long as it is easy to fill the repair material 7 and easily remains in the groove and rises. Further, it is possible to easily form a repair groove having a desired shape by using a tip tool of a router having an appropriate shape.

Further, in the above-described embodiment, the floor 1 formed by arranging a plurality of resin panels 2 has been described as an example, but the present invention is not limited to this, and the floor, the wall, the pillar, the beam, the ceiling, the stairs, and Any part attached to them, such as a handrail, where the resin panel is used, may be used.

As described above, the above embodiment is for facilitating the understanding of the present invention, and is not for limiting and interpreting the present invention. It goes without saying that the present invention can be modified and improved without departing from the spirit thereof and that the present invention includes equivalents thereof.

1 floor, 2 resin panel (surface finishing material), 2a crack,
2c Surface of resin panel, 3 joints, 6 V groove (repair groove), 6a V groove bottom,
7 Repair material, S1 cutting process, S2 filling process, S3 polishing process,
W1 bottom width of V-groove, W2 front-side V-groove width,

Claims (6)

A method for repairing cracks in a surface finish material for repairing cracks generated in the surface finish material of a finish structure using a synthetic resin surface finish material,
The finishing structure is a finishing structure for floors, walls, columns, beams, ceilings, and stairs,
A cutting step of cutting the cracks to form a repair groove having a depth equal to or less than the thickness of the surface finish material,
A filling step of filling a repair material made of the same material as the surface finish material into the repair groove by raising it from the surface of the surface finish material.
A polishing step of flatly polishing the surface of the surface finish material after the filled repair material is cured,
A method for repairing cracks in a surface finish material, comprising: A method for repairing cracks in the surface finish material according to claim 1, comprising:
The depth of the repair groove is less than the thickness of the surface finish material, and a method for repairing cracks in the surface finish material. A method for repairing cracks in the surface finish material according to claim 1 or 2,
The method for repairing cracks in a surface finish material is characterized in that the repair groove has a width on the surface side of the surface finish material wider than a width on the bottom side. A method for repairing cracks in the surface finish material according to any one of claims 1 to 3,
A method for repairing cracks in a surface finish material, wherein the repair groove is formed by a router. A method for repairing cracks in the surface finish material according to any one of claims 1 to 4,
A method for repairing cracks in a surface finish material, comprising cleaning the inside of the repair groove after the cutting step. A method for repairing cracks in the surface finish material according to any one of claims 1 to 5, comprising:
A method for repairing cracks in a surface finish material, wherein the finish structure is a floor surface.

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