CN114809474A - Waterproof construction method for slope roof - Google Patents
Waterproof construction method for slope roof Download PDFInfo
- Publication number
- CN114809474A CN114809474A CN202210358764.2A CN202210358764A CN114809474A CN 114809474 A CN114809474 A CN 114809474A CN 202210358764 A CN202210358764 A CN 202210358764A CN 114809474 A CN114809474 A CN 114809474A
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- waterproof
- roof
- drainage plate
- construction method
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 74
- 239000004567 concrete Substances 0.000 claims abstract description 23
- 239000004698 Polyethylene Substances 0.000 claims abstract description 22
- -1 polyethylene Polymers 0.000 claims abstract description 22
- 229920000573 polyethylene Polymers 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 10
- 239000010426 asphalt Substances 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to the technical field of pipeline measurement, in particular to a slope roof waterproof construction method, which comprises the following steps: constructing a concrete roof, a slope-making layer, a leveling layer, a waterproof layer and a heat-insulating layer at one time, then paving a polyethylene drainage plate on the heat-insulating layer, pouring a protective layer on the drainage plate, and constructing a roof tile layer on the protective layer; the slope roof is constructed according to the method, the construction is simple and convenient, the finished product quality is good, the polyethylene drainage plate is utilized to show the characteristics of small density, high specific strength, heat preservation and insulation, good sound absorption and good corrosion resistance, the water resistance, the heat preservation and insulation, the sound absorption and the corrosion resistance of the slope roof are improved, the volume of the slope roof is reduced, and the strength of the slope roof is improved.
Description
Technical Field
The invention relates to the technical field of roof waterproofing, in particular to a slope roof waterproofing construction method.
Background
Compared with a flat roof, the slope roof has the structural characteristics of being more beneficial to rain prevention and water prevention. The existing sloping roof construction structure is generally as follows from bottom to top: the roof comprises a reinforced concrete roof, a slope layer, a leveling layer, a waterproof layer, a heat-insulating layer and a roof tile layer; the waterproof structure mainly depends on roof tiles, a waterproof layer and a reinforced concrete roof, but the existing sloping roof construction usually has the following problems in the waterproof process:
1. roofing tile layer: often, the roofing tile is laid with more joints, the integrity of the roofing tile layer can not be completely ensured in the construction, and the phenomenon of water choking is easily caused in heavy rainfall weather; 2. waterproof layer: when the slope of the roof is larger, the construction of the waterproof coiled material is inconvenient, the thin part of the node adopts smaller coiled material and more lap surfaces, and the sticking quality cannot be ensured; the waterproof roll is adhered to a cement mortar (or fine aggregate concrete) leveling layer, and because the leveling layer is thin and is easy to generate base layer penetrating cracks due to factors such as temperature change and the like, crack reflection damage can be caused to the waterproof layer, the waterproof layer is damaged, and leakage is caused; 3. reinforced concrete roofing: the crack of the reinforced concrete structure layer is easy to appear due to the influence of factors such as hydration heat generated by cement and water, concrete shrinkage, temperature change and the like, the crack continuously expands along with the long-term influence of the factors, and once the crack width reaches or exceeds 0.2mm and is a penetrating crack, leakage water is generated when certain water pressure is generated by contacting rainwater.
Therefore, the applicant improves the existing sloping roof construction structure and provides a roof waterproof construction method capable of effectively preventing water and roof leakage.
Disclosure of Invention
The invention aims to solve the problems, and provides a roof waterproof construction method which can effectively prevent water and roof leakage.
The invention solves the problems and adopts the technical scheme that:
a waterproof construction method for a sloping roof comprises the following steps:
s1: pouring the roof board of the bottom layer of the sloping roof by using concrete;
s2: carrying out slope layer construction on the roof panel by using lightweight aggregate concrete;
s3: constructing a leveling layer on the slope finding layer;
s4: constructing a waterproof layer on the leveling layer, wherein the waterproof layer is a waterproof coiled material and a non-cured rubber asphalt waterproof coating;
s5: performing heat insulation layer construction on the waterproof layer;
s6: paving a polyethylene drainage plate on the heat insulation layer, uniformly pressing metal pressing strips at the lap joint of the drainage plate and the joint of the drainage plate and the roof ridge gutter, and fixing the metal pressing strips through self-tapping nails;
s7: after the polyethylene drainage board is laid and attached, performing a water spraying test, and pouring a protective layer on the polyethylene drainage board after the water spraying test is qualified;
s8: and constructing a roof tile layer on the protective layer.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the slope roof is constructed according to the method, the construction is simple and convenient, the finished product quality is good, the requirement on the professional degree of workers is low, the slope roof can be constructed and formed at one time, and the follow-up reworking and repairing are avoided. The polyethylene drainage plate is utilized to show the characteristics of small density, high specific strength, heat preservation and insulation, good sound absorption and good corrosion resistance, the water resistance, the heat preservation and insulation, the sound absorption and the corrosion resistance of the pitched roof are improved, the size of the pitched roof is reduced, and the strength of the pitched roof is improved. The lap joint part of the polyethylene drainage plate adopts the metal pressing strip for lap joint, thereby ensuring the innovation point of the integrity and the tightness of the sloping roof. The protection effect to the reinforced concrete roof is promoted, and the roof leakage is avoided.
Preferably, the further technical scheme of the invention is as follows:
in step S6, the thickness of the polyethylene drainage plate is 15mm, and the self-adhesive waterproof or non-curing waterproof coating is coated on the self-tapping screw.
And in the step S2, the thinnest part of the slope finding layer is 30mm, and LC7.5 lightweight aggregate concrete is adopted for filling.
The leveling layer of the step S3 is 20mm thick 1: 2.5 leveling with cement mortar.
In the step S4, the waterproof layer is made of 3.0 thick self-adhesive polyester tire modified asphalt waterproof coiled material + more than or equal to 1.5 thick non-cured rubber asphalt waterproof coating, and the upturning height of the waterproof coiled material at the junction of the roof waterproof layer and the vertical surface is 250-300 mm; .
In step S5, the heat-insulating layer is formed by paving a hard foam polyurethane heat-insulating plate with the thickness of 60mm
The casting of the protective layer in step S7 includes:
s71: placing the protrusions of the polyethylene drainage plate in a grid of A4 @ 100 bidirectional steel mesh sheets, and cutting the bidirectional steel mesh sheets at the dividing seams; the steel bar net is prevented from sliding down along the sloping roof, so that the protective layer and the drainage plate are combined more closely.
S72: a4 @ 100 bidirectional steel mesh sheet and polyethylene drainage plate concrete are poured and fixed, and the concrete is poured by C20 fine-stone concrete with the thickness of 50mm (6 x 6m divided by grids, the seam width is 20, and the seams are embedded by sealant).
Drawings
FIG. 1 is a schematic structural diagram of a slope roof waterproof construction method according to an embodiment of the invention;
FIG. 2 is a schematic structural view of the connection between the drainage plate and the metal pressing strip according to the embodiment of the present invention;
fig. 3 is a schematic structural view of a drain board according to an embodiment of the present invention.
In the figure: 1. a roof panel; 2. finding a slope layer; 3. leveling layer; 4. a waterproof layer; 401. waterproof coiled materials; 402. waterproof paint; 5. a heat-insulating layer; 6. a drain plate; 7. a protective layer; 701. reinforcing mesh sheets; 8. roofing shingles; 9. pressing metal strips; 10. self-tapping screw.
Detailed Description
The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
As shown in fig. 1 to 3, a slope roof waterproof construction method includes the following steps:
s1: the bottom layer roof board 1 of the sloping roof is cast by concrete, and the reinforced concrete roof 1 is leveled along with the casting.
S2: carrying out construction of a slope layer 2 on the roof panel 1 by using lightweight aggregate concrete; the thinnest part of the slope finding layer 2 is 30mm in thickness and filled with LC7.5 lightweight aggregate concrete.
S3: the construction of the leveling layer 3 on the slope finding layer 2, the leveling layer 3 is 20mm thick 1: 2.5 leveling with cement mortar.
S4: constructing a waterproof layer 4 on the leveling layer 3, wherein the waterproof layer 4 is a waterproof roll 401+ a non-cured rubber asphalt waterproof coating 402; the waterproof layer 4 is made of a 3.0-thick self-adhesive polyester tire modified asphalt waterproof coiled material 401+ not less than 1.5-thick non-cured rubber asphalt waterproof coating 402, and the upturning height of the waterproof coiled material at the junction of the roof waterproof layer and the vertical surface is 300 mm.
S5: and (3) constructing a heat-insulating layer 5 on the waterproof layer 4, wherein the heat-insulating layer 5 is formed by paving a hard foam polyurethane heat-insulating plate with the thickness of 60 mm.
S6: paving a polyethylene drainage plate 6 on the heat insulation layer 5, wherein the convex surface of the drainage plate 6 faces the upstream surface (upwards), the lap joint of the drainage plate 6 and the drainage plate 6 is pressed by a metal pressing strip 9 and is fixed by a self-tapping screw 10, the joint of the drainage plate 6, the ridge and the gutter is pressed by the metal pressing strip 9 and is fixed by the self-tapping screw 10, then a layer of waterproof coating 10 is coated on the self-tapping screw 10, and the lap joint between the drainage plates 6 and the joint of the drainage plate 9, the ridge and the gutter are sealed; wherein, the thickness of the polyethylene drain board 9 is 15mm, and the self-adhesive waterproof or non-curing waterproof edge sealing is adopted at the position of the self-tapping screw 10 of the metal pressing strip 9.
Wherein the drain plate 6 has the following characteristics: the apparent density is small: the performance density of the plastic drainage plate 6 is generally 900 and 2200 kg/㎥, which is about 1/5 kg of steel and 1/3 kg of concrete, so that the load of the pitched roof can be reduced; high specific strength: the strength of the plastic drainage plate 6 is higher than that of cement and concrete, and the plastic drainage plate is a light high-strength material, so that the structural strength of the plastic drainage plate can be ensured by colleagues who can reduce the load of a roof; thirdly, the heat preservation and the heat insulation are good, and the sound absorption is good: the thermal conductivity of the compact plastic drainage plate is generally 0.12-0.80W/(m.K), the thermal conductivity of the foam plastic is close to that of air, and the compact plastic drainage plate is a good thermal insulation material, so that a house can be warm in winter and cool in summer; meanwhile, the sound absorption performance of the plastic drainage plate 6 is good, and noise can be effectively reduced; fourthly, the corrosion resistance is good: the general plastic drainage plate 6 is resistant to the action of corrosive substances such as acid, alkali, salt and the like, has higher stability, is not easy to be corroded by rainwater to generate deformation, and has longer service life.
S7: after finishing paving, the polyethylene drain bar 6 carries out the trickle experiment, pours protective layer 7 on polyethylene drain bar 6 after the trickle experiment is qualified, and protective layer 7 pours and includes:
s71: referring to fig. 3, the convex part of the polyethylene drainage board 6 is placed in the grid of a4 @ 100 bidirectional steel mesh 701, and the bidirectional steel mesh 701 is broken at the dividing joint;
s72: a4 @ 100 bidirectional steel mesh 701 and polyethylene drainage plate 6 concrete are poured and fixed, and the concrete is C20 fine-stone concrete (6 x 6m divided into squares, the width of the seam is 20, and the seams are embedded by sealant) with the thickness of 50mm and are smoothed at any time.
S8: and constructing a roof tile layer 8 on the protective layer 7.
The method solves the leakage problem in the slope roof waterproof construction, improves the waterproof quality of the slope roof, and achieves survival and excellence at one time by manual striving. The lap joint part of the drainage plate and the weak parts of the ridge and the gutter are subjected to layering sealing treatment, so that the integrity and the tightness of the pitched roof borrowing structure are ensured, and subsequent reworking and repair are avoided. The waterproof performance, the heat preservation and the heat insulation performance, the sound absorption performance and the corrosion resistance of the pitched roof are improved, the volume of the pitched roof is reduced, and the strength of the pitched roof is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (7)
1. A waterproof construction method for a sloping roof comprises the following steps:
s1: pouring the roof board of the bottom layer of the sloping roof by using concrete;
s2: carrying out slope layer construction on the roof panel by using lightweight aggregate concrete;
s3: constructing a leveling layer on the slope finding layer;
s4: constructing a waterproof layer on the leveling layer, wherein the waterproof layer is a waterproof coiled material and a non-cured rubber asphalt waterproof coating;
s5: performing heat insulation layer construction on the waterproof layer;
the method is characterized in that: s6: paving a polyethylene drainage plate on the heat insulation layer, uniformly pressing metal pressing strips at the lap joint of the drainage plate and the joint of the drainage plate and the roof ridge gutter, and fixing the metal pressing strips through self-tapping nails;
s7: after the polyethylene drainage board is laid and attached, performing a water spraying test, and pouring a protective layer on the polyethylene drainage board after the water spraying test is qualified;
s8: and constructing a roof tile layer on the protective layer.
2. The waterproof construction method for pitched roof according to claim 1, characterized in that: in step S6, the thickness of the polyethylene drainage plate is 15mm, and the self-adhesive waterproof or non-curing waterproof coating is coated on the self-tapping screw.
3. The waterproof construction method for pitched roof according to claim 1, characterized in that: and in the step S2, the thinnest part of the slope finding layer is 30mm, and LC7.5 lightweight aggregate concrete is adopted for filling.
4. The waterproof construction method for pitched roof according to claim 1, characterized in that: the leveling layer of the step S3 is 20mm thick 1: 2.5 leveling with cement mortar.
5. The waterproof construction method for pitched roof according to claim 1, characterized in that: in step S4, the waterproof layer is made of 3.0 thick self-adhesive polyester tire modified asphalt waterproof coiled material + 1.5 thick non-cured rubber asphalt waterproof coating, and the upturning height of the waterproof coiled material at the junction of the roof waterproof layer and the vertical surface is 250-300 mm.
6. The waterproof construction method for pitched roof according to claim 1, characterized in that: in step S5, the heat-insulating layer is formed by paving a hard foam polyurethane heat-insulating plate with the thickness of 60 mm.
7. The waterproof construction method for pitched roof according to claim 1, characterized in that: the casting of the protective layer in step S7 includes:
s71: placing the protrusions of the polyethylene drainage plate in a grid of A4 @ 100 bidirectional steel mesh sheets, and cutting the bidirectional steel mesh sheets at the dividing seams;
s72: a4 @ 100 bidirectional steel mesh sheet and polyethylene drainage plate concrete are poured and fixed, and the concrete is poured by C20 fine-stone concrete with the thickness of 50mm (6 x 6m divided by grids, the seam width is 20, and the seams are embedded by sealant).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358764.2A CN114809474A (en) | 2022-04-07 | 2022-04-07 | Waterproof construction method for slope roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358764.2A CN114809474A (en) | 2022-04-07 | 2022-04-07 | Waterproof construction method for slope roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114809474A true CN114809474A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210358764.2A Withdrawn CN114809474A (en) | 2022-04-07 | 2022-04-07 | Waterproof construction method for slope roof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114809474A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116838040A (en) * | 2023-06-30 | 2023-10-03 | 中交建筑集团有限公司 | Roof waterproof structure and paving method |
| CN117027295A (en) * | 2023-08-11 | 2023-11-10 | 广州机施建设集团有限公司 | Roof playground structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2604770A2 (en) * | 2011-12-12 | 2013-06-19 | Bernhard Lenz | Assembly for attaching panels |
| CN104120837A (en) * | 2013-04-28 | 2014-10-29 | 杨哲 | Construction method of waterproof roof |
| CN104912262A (en) * | 2014-03-14 | 2015-09-16 | 邹新建 | Method of adopting different prevention and drain combinations according to external water sources and self-adhesion drain plate |
| CN106639169A (en) * | 2016-12-01 | 2017-05-10 | 青岛蓝天创先科技服务有限公司 | Fixation method of double-layer corrugated insulated color steel plates and roof purlins |
| CN207277701U (en) * | 2017-08-24 | 2018-04-27 | 合肥翠鸟节能建材有限公司 | A kind of thermal-insulating water-proof roof plate of the flexible leveling mortar of band |
| CN215858675U (en) * | 2021-06-08 | 2022-02-18 | 杭州勇峰实业有限公司 | Waterproof connected node structure of compound tile roofing exhaust passage upstream face |
-
2022
- 2022-04-07 CN CN202210358764.2A patent/CN114809474A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2604770A2 (en) * | 2011-12-12 | 2013-06-19 | Bernhard Lenz | Assembly for attaching panels |
| CN104120837A (en) * | 2013-04-28 | 2014-10-29 | 杨哲 | Construction method of waterproof roof |
| CN104912262A (en) * | 2014-03-14 | 2015-09-16 | 邹新建 | Method of adopting different prevention and drain combinations according to external water sources and self-adhesion drain plate |
| CN106639169A (en) * | 2016-12-01 | 2017-05-10 | 青岛蓝天创先科技服务有限公司 | Fixation method of double-layer corrugated insulated color steel plates and roof purlins |
| CN207277701U (en) * | 2017-08-24 | 2018-04-27 | 合肥翠鸟节能建材有限公司 | A kind of thermal-insulating water-proof roof plate of the flexible leveling mortar of band |
| CN215858675U (en) * | 2021-06-08 | 2022-02-18 | 杭州勇峰实业有限公司 | Waterproof connected node structure of compound tile roofing exhaust passage upstream face |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116838040A (en) * | 2023-06-30 | 2023-10-03 | 中交建筑集团有限公司 | Roof waterproof structure and paving method |
| CN116838040B (en) * | 2023-06-30 | 2024-01-09 | 中交建筑集团有限公司 | Roof waterproof structure and paving method |
| CN117027295A (en) * | 2023-08-11 | 2023-11-10 | 广州机施建设集团有限公司 | Roof playground structure and construction method |
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Application publication date: 20220729 |