CN222575968U - Heat preservation roofing system of double-deck air interlayer - Google Patents

Abstract

The utility model provides a heat-insulating roof system with a double-layer air interlayer, which comprises a heat-insulating flat roof system, a light sloping roof system connected with the heat-insulating flat roof system, and a wallboard fixedly connected with one side of the heat-insulating flat roof system, wherein the heat-insulating flat roof system and the light sloping roof system form the double-layer air structural interlayer. The double-layer heat-insulating roof system can be effectively combined with building elevation modeling, meets various requirements of building modeling by adjusting the gradient of a light sloping roof, is standard in installation, simple and convenient to construct, saves materials, is economical and attractive, has strong practicability, compact and reasonable construction method, is simple and convenient to construct, has wide application range, overcomes technical gaps, and solves the problems of no clear standard and unreasonable secondary design.

Description

Heat preservation roofing system of double-deck air interlayer

Technical Field

The utility model relates to the technical field of roof heat preservation, in particular to a heat preservation roof system with a double-layer air interlayer.

Background

The method for installing building roofs and draining water in cold and severe cold areas generally adopts a flat roof method and a sloping roof drainage method, the flat roof method has a drainage gradient of 3% generally, has good tightness and heat preservation, but cannot quickly and effectively remove snow and snow melt water and the like on the roofs, so that snow load on the building roofs is easily caused to be overlarge, water is easily accumulated on the roofs due to water accumulation, water is difficult to be prevented from being accumulated on the roofs for a long time, leakage is easily caused, a building room on the lower layer of the roof is soaked by water, the using function of the room is influenced, and if the building room is an equipment room and the like, great building safety hidden danger is more likely to be brought.

The drainage method of the sloping roof generally has the drainage gradient of more than 5%, the waterproof performance is better, the accumulated water or snow and snow melt water on the roof can be effectively and rapidly removed from the roof, but the conventional atlas construction method has the defects that the sloping roof is poor in waterproof performance, the water-proof performance can only reach the degree of secondary waterproof performance and cannot meet the functional requirements of most buildings, the sloping roof is poor in heat preservation performance, the method of the conventional standard graph for centralizing the assembled sloping roof to prepare the heat preservation function is less, the engineering is less in shape selection and poor in flexibility, in addition, the waterproof performance of the rigid waterproof layer on the outermost layer of the sloping roof is poor, the failure of the heat preservation layer after the water on the inner side of the sloping roof is invaded is easily caused, meanwhile, the thickness of the heat preservation layer of the sloping roof is limited greatly due to the assembly method, and the energy conservation and heat preservation requirements in severe cold areas cannot be met.

Disclosure of utility model

The utility model provides a heat-insulating roof system with double air layers, which is used for solving the problems of poor tightness, poor heat insulation and poor waterproof effect of building roofs in cold and severe cold areas.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

A heat-insulating roof system with double air layers comprises a heat-insulating flat roof system;

the light sloping roof system is connected with the heat-insulating flat roof system;

the wallboard is fixedly connected with one side of the heat-insulating flat roof system;

the heat-insulating flat roof system and the light sloping roof system form a double-layer air structure interlayer.

Optionally, the heat-insulating flat roof system is sequentially provided with a structural layer, a slope finding layer, a heat-insulating layer, a leveling layer, a waterproof layer and a protective layer from bottom to top;

A parapet fixedly connected with the end part of the structural layer;

the parapet is provided with a plurality of flat roof drain pipes;

and parapet flashing head collecting heads are arranged at the positions, far away from the structural layers, of the parapet.

Optionally, the protective layer finds a slope to the parapet wall;

the protection layer presets a first gradient.

Optionally, the plurality of flat roof drain pipes are arranged at intervals.

Optionally, the plurality of flat roof drain pipes slope from the protective layer to the outside;

the plurality of flat roof drain pipes are preset with a second gradient;

and the plurality of flat roof drain pipes extend out a first preset distance of the parapet wall.

Optionally, the lightweight sloping roof system comprises a sloping roof support structure;

and the sloping roof supporting structure is sequentially overlapped with a sloping roof waterproof layer and a sloping roof structure from bottom to top.

Optionally, the sloping roof support structure includes a first component, a second component, and a third component;

The first component is fixedly connected with the second component;

the first component is fixedly connected with the third component;

the first component is fixedly connected with the parapet wall.

Optionally, the third component extends a first predetermined distance outside the chamber;

and the sloping roof waterproof layer and the sloping roof structure are both extended outdoor by a second preset distance.

Optionally, the third component presets a third gradient.

Optionally, the parapet wall is connected with the wallboard through a member;

the component is one of cast-in-situ and prefabricated.

The scheme of the utility model at least comprises the following beneficial effects:

The scheme of the utility model comprises a heat-insulating flat roof system, a light sloping roof system connected with the heat-insulating flat roof system, a wallboard fixedly connected with one side of the heat-insulating flat roof system, and a double-layer air structure interlayer formed by the heat-insulating flat roof system and the light sloping roof system. The utility model can effectively improve the heat insulation performance and the waterproof performance of the building roof in cold and severe cold areas, an air interlayer is arranged between the double-layer roofs to increase the heat insulation overall performance of the building roof in severe cold areas, the double-layer heat insulation roof system can be effectively combined with the building facade modeling, and the double-layer heat insulation roof system is suitable for various requirements of the building modeling by adjusting the gradient of the light sloping roof, has the advantages of standard installation, simple and convenient construction, material saving, economy, attractive appearance, strong practicability, compact and reasonable construction method, simple and convenient construction method, wide applicable range of construction method, and solves the problems of no clear standard, material waste caused by construction at will, tiger construction, inconvenient use and unreasonable secondary design.

Drawings

FIG. 1 is a schematic view of a thermal roofing system for a double-deck air interlayer provided by an embodiment of the present utility model;

FIG. 2 is an enlarged view of node 21 of FIG. 1;

Reference numerals:

1. The heat preservation flat roof system, the 2, the light sloping roof system, the 3, the wallboard, the 4, the double-layer air structural interlayer, the 11, the structural layer, the 12, the slope finding layer, the 13, the heat preservation layer, the 14, the leveling layer, the 15, the waterproof layer, the 16, the protective layer, the 17, the parapet wall, the 18, the flat roof drain pipe, the 19, the parapet wall flashing collecting head, the 21, the sloping roof supporting structure, the 22, the sloping roof waterproof layer, the 23, the sloping roof structure, the 24, the first component, the 25, the second component, the 26, the third component, the 31 and the component.

Detailed Description

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 to 2, an embodiment of the present utility model proposes a heat-insulating roofing system of a double-layered air interlayer, comprising a heat-insulating flat roofing system 1;

a light sloping roof system 2 connected with the heat-insulating flat roof system 1;

A wallboard 3 fixedly connected with one side of the heat-insulating flat roof system 1;

The heat-insulating flat roof system 1 and the light sloping roof system 2 form a double-layer air structural interlayer 4.

In this embodiment, the indoor side roof is a heat-insulating flat roof system 1, the heat-insulating flat roof system 1 can adopt a factory prefabrication scheme or a field cast-in-situ scheme, the light sloping roof system 2 connected with the heat-insulating flat roof system 1 is a light sloping roof system 2, the outdoor side roof is a light sloping roof system 2, the light sloping roof system 2 can adopt a factory prefabrication scheme or a field cast-in-situ scheme, and the heat-insulating flat roof system 1 and the light sloping roof system 2 form a double-layer air structure interlayer 4 with a heat-insulating function.

And the wallboard 3 is fixedly connected with one side of the heat-insulating flat roof system 1, the wallboard 3 can adopt two different schemes of cast-in-situ or prefabrication, and the wallboard 3 is used for enclosing the indoor environment of a building.

The heat-insulating layer 13 is arranged in the heat-insulating flat roof system 1, and heat-insulating materials are laid as a first-layer roof heat-insulating construction method in the whole system, an air interlayer is formed between the light sloping roof system 2 and the heat-insulating flat roof system 1 as a second-part roof heat-insulating construction method in the whole system, and the double-layer heat-insulating method effectively improves heat insulation and energy-saving performance of the assembled building;

The heat-insulating flat roof system 1 is provided with a waterproof layer 15, waterproof materials are laid to be used as a first part of roof waterproof construction method of the whole system, a closed type surface layer of the roof of the light sloping roof system 2 is used as a second part of roof waterproof construction method of the whole system, and the double waterproof method effectively improves the waterproof and airtight performance of the assembled building and can achieve the first-level waterproof performance of the building.

The double-layer heat-insulating roof system can be effectively combined with building elevation modeling, meets various requirements of building modeling, is standard in installation, is simple and convenient to construct, saves materials, is economical and attractive, is high in practicability, is compact and reasonable in construction method, is simple and convenient to construct, can be widely applied, overcomes the technical gap, solves the problems of material waste caused by construction without definite standard, inconvenient to use and unreasonable in secondary design, and is preferably suitable for buildings with low heights and also can be used for pouring objects with high heights.

In an optional embodiment of the present utility model, the heat insulation flat roof system 1 is provided with a structural layer 11, a slope finding layer 12, a heat insulation layer 13, a leveling layer 14, a waterproof layer 15 and a protection layer 16 in sequence from bottom to top;

parapet 17 fixedly connected with the end part of the structural layer 11;

the parapet 17 is provided with a plurality of flat roof drain pipes 18;

The parapet 17 is provided with a parapet flashing head 19 at a position far away from the structural layer 11.

In this embodiment, the heat-insulation flat roof system 1 is sequentially and tightly connected with a structural layer 11, a slope finding layer 12, a heat-insulation layer 13, a leveling layer 14, a waterproof layer 15 and a protective layer 16 from bottom to top, in a specific embodiment, each method on the upper portion of the flat roof is adaptively adjusted according to specific engineering, the slope finding layer is made of 30-thickness LC5.0 lightweight aggregate concrete from the bottom to top of the flat roof, the leveling layer is made of 20-thickness cement mortar, the extruded polystyrene board heat-insulation layer is 70-mm thick (the heat conductivity coefficient is 0.032W/m.K), the leveling layer is 30-thickness C20 fine stone concrete, the 3+3mm-thickness SBS modified asphalt waterproof coiled materials are respectively one, the 10-thickness low-grade mortar isolation layer is 10-thickness mortar isolation layer, and the concrete integral protective layer is 50-thickness C20 fine stone concrete and is internally matched with a phi 4@100 bidirectional reinforcing steel mesh.

In the practical engineering, the structural layers of the roof arrangement can be adjusted, certain structural layers are added or removed, the upright roof or the inverted roof is adopted according to the requirements, and the inverted roof is used for manufacturing the heat-insulating layer on the waterproof layer. The heat insulating layer is arranged below the waterproof layer, the heat insulating layer of the inverted roof is not closed, the influence on the evaporation of water vapor in the heat insulating layer is small, in this case, no vent holes are needed, the heat insulating layer is used for completely closing the heat insulating layer, so that an exhaust hole is needed in construction, the heat expansion and cold contraction of the inverted roof can be effectively avoided under the waterproof layer, the service life of the heat insulating layer can be effectively prolonged, and the heat insulating property of the material of the inverted roof is easy to reduce due to high water absorption rate.

The heat preservation layer 13 is used for guaranteeing the energy-saving heat preservation performance of the building roof and maintaining the building internal environment, the material selection and the thickness are determined according to actual engineering, the waterproof layer 15 is used for the light sloping roof system 2, if water leakage occurs, water is accumulated on the flat roof, the roof cannot influence the using function of a lower building room due to water leakage, and the material selection and the thickness are determined according to the actual engineering.

The parapet 17 fixedly connected with the end part of the structural layer 11 can be cast-in-situ construction, precast construction can be adopted, and the parapet 17 can be cast together with the structural layer 11 when cast-in-situ construction is adopted, and is required to be reliably pulled and fixed with the structural layer 11 when precast, wherein the height of the parapet 17 is determined by the finished surface height of a flat roof, the preset height (250 mm) and the cornice protruding height (50 mm) of the parapet 17, the width of the parapet 17 is determined according to the installation size of the holding force point of the light sloping roof supporting structure, the cornice protruding width of the parapet 17 is at least 50mm, and the requirements of roof flashing and closing are met according to engineering design determination;

Parapet 17 is used as a waterproof head for flat roof system 1, ensures the waterproof performance of flat roof system 1, and fixes the holding force node of the light sloping roof supporting structure system.

The parapet wall 17 is provided with a plurality of flat roof drain pipes 18, the flat roof drain pipes 18 are made of materials, the arrangement quantity and the spacing are calculated and determined according to the region and the area where the engineering is located, the slope of the drain pipes is larger than 1% from the slope of the flat roof protection layer 16 to the outside of the roof, the size of the drain pipes protruding out of the parapet wall 17 is at least 50mm, in a specific embodiment, DN50 rust-proof metal drain pipes protruding out of the outer decoration surface of the parapet wall can be selected as the flat roof drain pipes 18, one flat roof drain pipe 18 can be arranged at intervals of 3.0m, other types or pipe diameters can be selected as required, and the arrangement spacing can be adjusted according to actual needs.

The flat roof drain pipe 18 is positioned at the bottom of the roof side pipe, the height of the flat roof drain pipe is consistent with the top of the heat-insulation flat roof layer, so that if the light sloping roof system 2 has water leakage or other forms of water vapor enters the light sloping roof system 2, the accumulated water can be effectively and orderly discharged after the heat-insulation flat roof system is connected 1, and the use function of the room inside the building and the environment inside the building are ensured;

The parapet 17 is provided with the parapet flashing collecting head 19 at a position far away from the structural layer 11, the material selection and the method are determined by engineering design, and meanwhile, the height of the parapet 17 is considered, so that the parapet is more convenient to waterproof, and rainwater leakage is avoided.

According to the national building standards, the height of the parapet on the upper roof is generally not lower than 1.1m and the highest height is not higher than 1.5m, the slope finding, heat preservation, heat insulation, water resistance and the like on the common roof are finished, the thickness is about 250mm, the end part of the water resistance layer is rolled up to be 250mm, and the total height of the parapet is 500 mm.

The flashing is a waterproof technology in building, namely, the waterproof treatment is carried out at the intersection of a wall and a roof (namely, all flat vertical faces needing the waterproof treatment), namely, the waterproof material is used for wrapping the wall corner to continuously spread the roofing coiled material on a vertical wall surface to form coiled material waterproof, the flashing height is not less than 250mm, a mortar leveling layer is smeared into an arc-shaped or 45-degree inclined plane at the intersection joint of the wall and the roof, a coiled material adhesive is brushed, a coiled material is additionally spread, and the coiled material with flashing wound is fixed after being collected, so that the coiled material is prevented from sliding downwards.

When the parapet wall is at a certain height, the parapet wall can not be continuously upwards done, the collecting head is needed to be collected, the tightness and the firmness of the waterproof part are guaranteed, after the parapet wall is inspected by adopting corresponding measures, the water leakage is avoided, the process is called collecting head, and because the flashing collecting head is relatively more damaged in advance, the parapet wall needs to be timely repaired and fixed once being cracked, so that unnecessary accidents are avoided in future.

When parapet wall has low flashing, the chute or the groove cannot be selected, when the wall brick is used as a wall body, only the groove is reserved, the flashing without the groove is directly stuck after being collected, then a metal pressing strip is used for nailing, and the distance between nails is 80 cm.

When the parapet wall is built by adopting bricks, a groove can be arranged in the flashing head collecting place in advance, then the waterproof layer is pressed into the groove, and the sealing head is fixed by using a sealing material, so that leakage accidents are prevented.

In one specific embodiment, the height from the top of the flat roof structural layer to the parapet wall is 500mm, the width of the parapet wall is 150mm, and the parapet wall top is 60mm wide and 60mm high toward the inner side of the roof.

In an alternative embodiment of the present utility model, the protective layer 16 is located on a slope toward the parapet 17;

The protective layer 16 is provided with a first slope which is greater than or equal to 2%, so that the rainwater on the flat roof can be conveniently discharged through the flat roof drain pipe 18 after being collected.

In an alternative embodiment of the present utility model, the plurality of flat roof drain pipes 18 are arranged at intervals, and the materials, the arrangement number and the spacing of the flat roof drain pipes 18 are determined according to the calculation of the region and the area where the engineering is located, so that better drainage is facilitated and roof leakage is prevented.

In an alternative embodiment of the present utility model, the plurality of flat roof drain pipes 18 extend from the protective layer 16 sloping outwardly;

the plurality of flat roof drain pipes 18 are preset at a second grade;

The plurality of flat roof drain pipes 18 extend a first predetermined distance from the parapet 17.

In this embodiment, the plurality of flat roof drain pipes 18 slope from the protection layer 16 to the outside, the flat roof drain pipes 18 preset a second slope in the parapet 17, the slope is greater than 1%, the plurality of flat roof drain pipes 18 extend to a first preset distance of the parapet 17, and the first preset distance is greater than or equal to 50mm.

In an alternative embodiment of the utility model, the lightweight sloping roof system 2 comprises a sloping roof support structure 21;

The sloping roof supporting structure 21 is sequentially overlapped with the sloping roof waterproof layer 22 and the sloping roof structure 23 from bottom to top, the materials and the thickness adopted by the sloping roof waterproof layer 22 are determined according to actual engineering, other structures are added according to requirements, the sloping roof structure 23 can be made of various assembled plates or blocks, the sloping roof structure 23 can be made of one or more of asphalt tiles, metal tiles, glazed tiles, small green tiles, slate tiles, cement tiles, clay tiles, color steel tiles, slate, natural stone-like plates and synthetic resin, and the roof drainage rate and the overall waterproof performance of the double-layer heat preservation roof system can be effectively improved.

In an alternative embodiment of the present utility model, the sloping roof support structure 21 includes a first component 24, a second component 25, and a third component 26;

the first part 24 is fixedly connected with the second part 25;

The first part 24 is fixedly connected with the third part 26;

The first member 24 is fixedly connected with the parapet 17.

In an alternative embodiment of the present utility model, the third member 26 extends a first predetermined distance outside the chamber;

The sloping roof waterproof layer 22 and the sloping roof structure 23 extend outside a room for a second preset distance.

In this embodiment, the first predetermined distance is greater than or equal to 50mm in the horizontal direction of the third component 26, and the second predetermined distance is greater than or equal to 50mm in the horizontal direction of the sloping roof waterproof layer 22 and the sloping roof structure 23, and the sloping roof supporting structure system is determined according to the actual engineering according to the material selection and the practice, and can be selected from metal section steel and wooden members, and welding, bolting, mortise-tenon connection and the like are adopted.

The sloping roof waterproof layer 22 can be one or more of SBS, APP, PVC waterproof coiled materials, acrylic acid, polyurethane, SBR waterproof paint, water polyurethane and emulsion type polymer paint waterproof coating.

The sloping roof supporting structure 21 is closely attached to the sloping roof waterproof layer 22 and the sloping roof structure 23.

In an alternative embodiment of the present utility model, the third member 26 is provided with a third slope, which is greater than or equal to 5%, to facilitate the raining and snowing of the roof.

In an alternative embodiment of the utility model, parapet 17 is connected to wall panel 3 by means of member 31;

The component 31 is one of cast-in-situ and prefabricated.

In this embodiment, the parapet 17 is connected with the wall board 3 through a member 31, when the parapet 17 is cast-in-situ, the wall board 3 is prefabricated, the parapet 17 and the wall board 3 are connected by adopting prefabricated members, the member is generally selected from steel members, and when the parapet 17 and the wall board 3 are cast-in-situ, the member can be a beam and are connected together by adopting a cast-in-situ mode.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The heat-insulating roof system with double air layers is characterized by comprising a heat-insulating flat roof system (1);

A light sloping roof system (2) connected with the heat-insulating flat roof system (1);

A wallboard (3) fixedly connected with one side of the heat-insulating flat roof system (1);

The heat-insulating flat roof system (1) and the light sloping roof system (2) form a double-layer air structure interlayer (4).

2. The heat-insulating roof system with the double-layer air interlayer according to claim 1, wherein the heat-insulating flat roof system (1) is sequentially provided with a structural layer (11), a slope finding layer (12), a heat-insulating layer (13), a leveling layer (14), a waterproof layer (15) and a protective layer (16) from bottom to top;

Parapet (17) fixedly connected with the end part of the structural layer (11);

the parapet (17) is provided with a plurality of flat roof drain pipes (18);

And the parapet (17) is far away from the structural layer (11) and is provided with a parapet flashing head (19).

3. The insulated roofing system of a double-deck air interlayer according to claim 2, characterized in that the protective layer (16) is sloping towards the parapet (17);

the protective layer (16) presets a first gradient.

4. The double-deck air-interlayer insulation roofing system according to claim 2, wherein the plurality of flat roof drain pipes (18) are spaced apart.

5. A double-deck air-interlayer insulation roofing system according to claim 3, wherein said plurality of flat roof drain pipes (18) slope from said protective layer (16) to the outside;

The plurality of flat roof drain pipes (18) are preset with a second gradient;

The plurality of flat roof drain pipes (18) extend out a first preset distance from the parapet wall (17).

6. The double-deck air-interlayer insulation roofing system according to claim 1, characterized in that the light sloping roof system (2) comprises a sloping roof support structure (21);

The sloping roof supporting structure (21) is sequentially overlapped with a sloping roof waterproof layer (22) and a sloping roof structure (23) from bottom to top.

7. The insulated roofing system of a double-deck air space according to claim 6, wherein the sloping roof support structure (21) comprises a first component (24), a second component (25), a third component (26);

the first component (24) is fixedly connected with the second component (25);

The first component (24) is fixedly connected with the third component (26);

the first component (24) is fixedly connected with the parapet (17).

8. The insulated roofing system of the double-deck air space according to claim 7, wherein the third member (26) extends a first predetermined distance outside the room;

And the sloping roof waterproof layer (22) and the sloping roof structure (23) are both extended outdoor by a second preset distance.

9. The insulated roofing system of a double-deck air space according to claim 7, wherein the third member (26) is pre-set at a third grade.

10. The insulated roofing system of double-deck air space according to claim 2, characterized in that said parapet (17) is connected with said wall panels (3) by means of members (31);

the component (31) is one of cast-in-situ and prefabricated.