CN111734054B - Roof waterproof system and installation method thereof - Google Patents
Roof waterproof system and installation method thereof Download PDFInfo
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- CN111734054B CN111734054B CN202010589462.7A CN202010589462A CN111734054B CN 111734054 B CN111734054 B CN 111734054B CN 202010589462 A CN202010589462 A CN 202010589462A CN 111734054 B CN111734054 B CN 111734054B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 title abstract description 7
- 239000010410 layer Substances 0.000 claims abstract description 194
- 238000000576 coating method Methods 0.000 claims abstract description 166
- 239000011248 coating agent Substances 0.000 claims abstract description 162
- 239000004567 concrete Substances 0.000 claims abstract description 73
- 239000011241 protective layer Substances 0.000 claims abstract description 40
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000004593 Epoxy Substances 0.000 claims abstract description 16
- 238000004078 waterproofing Methods 0.000 claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims description 28
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- 238000009413 insulation Methods 0.000 claims description 25
- 239000004745 nonwoven fabric Substances 0.000 claims description 25
- 239000003973 paint Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000004321 preservation Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 14
- 239000011381 foam concrete Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Classifications
-
- 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
- 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
- E04D13/1662—Inverted roofs or exteriorly insulated roofs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
The application relates to the field of roof waterproofing, and discloses a roof waterproofing system and installation method thereof, and it is poor to have solved current roof gas permeability, and the easy swell of roof breaks away from the technical problem, and it includes concrete floor base layer and sets up the waterproof composite bed above concrete floor base layer, the waterproof composite bed includes first waterproof coating and protective layer and surface course, first waterproof coating coats one side of concrete floor base layer, protective layer and surface course set up one side that deviates from concrete floor base layer at first waterproof coating from bottom to top, epoxy waterproof coating is chooseed for use to first waterproof coating, epoxy waterproof coating infiltration concrete base layer floor 3-5mm, one side that first waterproof coating deviates from concrete floor base layer is equipped with ventilative dampproof course. The waterproof system for the roof reduces the possibility of bulging and separation of the waterproof system for the roof, and improves the waterproof effect of the roof.
Description
Technical Field
The application relates to the technical field of roof waterproofing, in particular to a roof waterproofing system and an installation method thereof.
Background
The water leakage of the roof is a great problem in the building industry, and particularly, the assembled building roof has poor integral crack resistance, is easy to generate penetrating cracks on the roof, and is easy to seep water at the cracks, so that the waterproof performance of the roof is poor.
The patent with publication number CN207892141U discloses an assembled roof waterproof structure, which comprises an assembled roof panel, a roof composite waterproof layer, a roof insulating layer and a roof concrete protective layer; the roof composite waterproof layer is formed by superposing a roof waterproof coating layer and a self-adhesive waterproof roll material layer; the roof composite waterproof layer, the roof heat-insulating layer and the roof concrete protective layer are sequentially laminated on the assembled roof panel.
When the indoor outer difference in temperature is great, can produce steam in the layer structure, but because roofing composite waterproof layer, roofing heat preservation, roof concrete protective layer all pave on the assembled roof boarding, and fixed laminating between layer structure and the assembled roof boarding, steam is difficult to the dissipation, cause roofing composite waterproof layer, roof heat preservation and roof concrete protective layer the phenomenon that the swell appears and drop easily, make roofing waterproof construction's overall structure grow poor, thereby lead to the water-proof effects of roofing relatively poor.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a roof waterproof system and an installation method thereof, so that the possibility of the phenomena of bulging and falling off is reduced, and the possibility of roof waterproofing is improved.
The application is realized by the following technical scheme: the utility model provides a roof waterproof system, includes concrete floor base course and sets up the waterproof composite bed in concrete floor base course top, the waterproof composite bed includes first waterproof coating and protective layer and surface course, first waterproof coating coats one side of concrete floor base course, protective layer and surface course set up one side that deviates from concrete floor base course at first waterproof coating from bottom to top, epoxy waterproof coating is chooseed for use to first waterproof coating, epoxy waterproof coating infiltration concrete floor base course 3-5mm, one side that first waterproof coating deviates from concrete floor base course is equipped with ventilative dampproof course.
Through the technical scheme, the epoxy waterproof coating has good waterproof and anti-seepage performance, and the first waterproof coating, the protective layer and the surface layer are additionally arranged on the surface of the concrete floor base layer, so that the waterproof performance of the concrete floor base layer is enhanced; meanwhile, the breathable moisture-proof layer has the breathable performance and the moisture-proof performance, and is favorable for rapid ventilation of water vapor in the waterproof composite layer, so that the possibility that the surface layer and the protective layer bulge and separate due to the fact that the water vapor is difficult to dissipate in the waterproof composite layer is reduced.
The application is further configured to: one side that first waterproof coating deviates from concrete floor basic unit is equipped with second waterproof coating, the second waterproof coating chooses for use single component polyurethane waterproof coating to make.
According to the technical scheme, the single-component polyurethane waterproof coating is also called as a polyurethane waterproof coating, is a single-component polyurethane waterproof coating which is prepared by carrying out addition polymerization on isocyanate group-containing prepolymer formed by isocyanate, polyether and the like, matching with a catalyst, an anhydrous auxiliary agent, an anhydrous filler, a solvent and the like, and carrying out mixing and other working procedures.
The application is further configured to: ventilative dampproof course chooses the non-woven fabrics to make for use, ventilative dampproof course all divides into a plurality of modules with second waterproof coating, ventilative dampproof course and second waterproof coating's area is the same, just crisscross range upon range of setting from top to bottom of ventilative dampproof course and second waterproof coating, ventilative dampproof course and second waterproof coating all cover one side that first waterproof coating deviates from concrete floor basic unit.
Through above-mentioned technical scheme, the non-woven fabrics have dampproofing, ventilative, pliable and tough, the light characteristics of matter, and ventilative dampproofing course sets up with the crisscross range upon range of setting of second waterproof coating for second waterproof coating has waterproof and air permeability concurrently, thereby has reduced the second waterproof coating and has blocked the steam at waterproof composite bed, and leads to surface course and protective layer the possibility that the swell appears and break away from.
The application is further configured to: waterproof roll material layers are paved on one sides of the breathable moisture-proof layers and the second waterproof coatings, which deviate from the first waterproof coatings.
Through above-mentioned technical scheme, waterproofing membrane has impervious ability reinforce, the high characteristics of tensile strength, and waterproofing membrane's setting is favorable to reducing the possibility that surface course and protective layer take place the infiltration phenomenon towards concrete floor basic unit, has played the effect of prevention of seepage.
The application is further configured to: and one side of the second waterproof coating, which is far away from the first waterproof coating, is provided with a leveling layer, and the leveling layer is made of foam concrete.
Through above-mentioned technical scheme, the setting of screed-coat is favorable to improving the roughness that the second waterproof coating deviates from one side of first waterproof coating to be favorable to protective layer and surface course to keep leveling from one side of concrete floor basic unit, reduced protective layer and surface course height not flat and produce the possibility of crack and infiltration easily. Meanwhile, the foam concrete is also called as bubble concrete, the foaming agent is fully foamed in a mechanical mode through a foaming system of a bubble machine, the foam and cement slurry are uniformly mixed, then cast-in-place construction or mold forming is carried out through a pumping system of the foaming machine, and the novel light heat-insulating material containing a large number of closed air holes is formed through natural curing, so that the leveling layer has heat-insulating property and is favorable for improving the heat-insulating property of a roof waterproof system.
The application is further configured to: and a heat-insulating layer is arranged on one side of the leveling layer, which deviates from the second waterproof coating, and the heat-insulating layer is made of a heat-insulating plate.
Through the technical scheme, the insulation board is a rigid foam plastic board which is prepared by taking polystyrene resin as a raw material, adding other raw and auxiliary materials and polymer, mixing by heating and injecting a catalyst at the same time, and then extruding and molding by extrusion molding, has the advantages of moisture resistance, water resistance and good insulation performance, and is beneficial to further improving the comprehensive performance of a roof waterproof system due to the arrangement of the insulation layer.
The application is further configured to: an impermeable layer is arranged between the heat-insulation plate and the protective layer, and the impermeable layer is made of geomembrane.
According to the technical scheme, the geomembrane is a geomembrane anti-seepage material formed by compounding the plastic film serving as an anti-seepage base material and non-woven fabrics, and when the heat-insulating layer and the surface layer have water seepage phenomena, the geomembrane has an anti-seepage effect and reduces the possibility of continuous downward water seepage.
The application is further configured to: the heat insulation layer is characterized in that a supporting piece is arranged between the leveling layer and the heat insulation layer, the supporting piece comprises a plurality of I-shaped supporting sectional materials, and a plurality of ventilation channels are preset between the I-shaped supporting sectional materials.
Through above-mentioned technical scheme, the setting of support section bar separates screed-coat and heat preservation, is favorable to strengthening the ventilation effect between screed-coat and the heat preservation, and the steam of being convenient for between screed-coat and the heat preservation distributes away through ventilative passageway probably to the possibility that swell and break away from has been reduced to surface course and protective layer appearance.
The application is realized by the following technical scheme: the installation method of the roof waterproof system comprises the following construction steps:
cleaning a concrete floor base layer: cleaning up dust and sundries on the surface of the base layer of the concrete floor slab, leveling uneven parts by adopting cement mortar, and polishing the base layer by adopting a shot blasting machine after finishing repairing so as to keep the surface of the base layer of the concrete floor slab flat;
laying a first waterproof coating: coating epoxy waterproof paint on the surface of the concrete floor base layer, wherein the epoxy waterproof paint penetrates 3-5mm towards the inside of the concrete floor base layer, and forming a first waterproof coating with the thickness of 3-5m on the surface of the concrete floor base layer;
laying a second waterproof coating and a breathable moisture-proof layer: firstly, partially coating a first layer of single-component polyurethane waterproof paint on the surface of a first waterproof coating, then laying a first layer of non-woven fabric, forming a second waterproof coating and a breathable moisture-proof layer on the surface of the first waterproof coating by the single-component polyurethane waterproof paint and the non-woven fabric, covering the surface of the first layer of single-component polyurethane waterproof paint by the first layer of non-woven fabric, partially covering the surface of the first waterproof coating, then covering the surface of the first layer of non-woven fabric with a second layer of single-component polyurethane waterproof paint, covering the upper surface of the first layer of non-woven fabric by the second layer of single-component polyurethane waterproof paint, partially coating the upper surface of the first waterproof coating, and repeating the operation to enable the breathable moisture-proof layer and the second waterproof coating to be vertically staggered and stacked until the surface of the first waterproof coating is completely covered;
laying a leveling layer and a heat insulation layer: pouring a layer of foam concrete with the thickness of 20-30mm on one side of the second waterproof coating and the side of the breathable moisture-proof layer, which is far away from the first waterproof coating, trowelling the surface of the foam concrete to form a leveling layer, and then paving a layer of insulation board with the thickness of 20-30mm on one side of the leveling layer, which is far away from the second waterproof coating and the breathable moisture-proof layer, to form an insulation layer;
laying a protective layer and a surface layer: one side that deviates from second waterproof coating and ventilative dampproof course at the heat preservation pours the concrete that one deck thickness is 40mm to preset the reinforcing bar in the concrete, form the protective layer, then paste the ceramic tile in one side that the protective layer deviates from the heat preservation, form the surface course.
Through the technical scheme, add first waterproof coating in proper order in concrete floor base's top, second waterproof coating and ventilative dampproof course, screed-coat and heat preservation, protective layer and surface course, waterproof construction is done in proper order at concrete floor base's upper surface, thereby be favorable to improving concrete floor base's prevention of seepage and waterproof performance, and ventilative dampproof course's setting, roofing waterproof system's gas permeability has been improved, thereby be convenient for the intraformational vapor of concrete floor base distributes through ventilative dampproof course, thereby the possibility that protective layer and surface course take place to swell and drop has been reduced.
The application is further configured to: after the first waterproof coating is laid and before the second waterproof coating and the breathable moisture-proof layer are laid, an operator needs to apply the second waterproof coating on the exposed part until no exposure is observed after 30 min.
Through above-mentioned technical scheme, mend to scribble the second waterproof coating for the second waterproof coating covers first waterproof coating's upper surface completely, thereby is favorable to the second waterproof coating to play preliminary effect that stops and prevent seepage to water, and then forms double-deck waterproof barrier with first waterproof coating in the top of concrete floor basic unit, has improved waterproof composite's waterproof performance.
In summary, the present application has the following beneficial effects:
1. the air permeability of the waterproof composite layer is improved, so that the possibility that the protective layer and the surface layer are bulged and separated due to water vapor in the waterproof composite layer is reduced;
2. the integral heat insulation performance and the seepage-proofing performance of the waterproof composite layer are improved.
Drawings
Fig. 1 is a schematic structural view of a concrete floor base layer and a waterproof composite layer according to the present embodiment.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a concrete floor base; 2. a first water-resistant coating; 3. a protective layer; 4. a surface layer; 5. a breathable moisture barrier; 6. a second water-resistant coating; 7. leveling layer; 8. a waterproof roll layer; 9. a heat-insulating layer; 10. an impermeable layer; 11. supporting the section bar; 111. a ventilation channel; 112. a panel; 113. a support rod.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Example (b):
referring to fig. 1 and 2, for the roof waterproof system that this application discloses, including concrete floor base 1 and set up the waterproof composite layer in concrete floor base 1 top, the waterproof composite layer includes first waterproof coating 2, and first waterproof coating 2 coats one side of concrete floor base 1, and first waterproof coating 2 chooses epoxy waterproof paint for use, and epoxy waterproof paint permeates concrete floor base 13-5 mm. The epoxy waterproof coating has good waterproof and anti-seepage performance, and the first waterproof coating 2 has waterproof and anti-seepage effects on the concrete floor base layer 1.
Referring to fig. 1 and 2, a breathable moisture-proof layer 5 and a second waterproof coating 6 are arranged on one side of the first waterproof coating 2, which is far away from the concrete floor base layer 1, and the breathable moisture-proof layer 5 is made of non-woven fabrics and has moisture-proof and breathable effects; one side that first waterproof coating 2 deviates from concrete floor basic unit 1 also is equipped with second waterproof coating 6, and second waterproof coating 6 chooses for use single component polyurethane waterproof coating to make. Ventilative dampproof course 5 all divides into a plurality of modules with second waterproof coating 6, and ventilative dampproof course 5 is the same with second waterproof coating 6's area, and ventilative dampproof course 5 and the crisscross range upon range of setting from top to bottom of second waterproof coating 6.
Referring to fig. 1 and 2, during construction, an operator applies a first layer of one-component polyurethane waterproof paint on the surface of the first waterproof coating 2, then laying a first layer of non-woven fabric, forming a second waterproof coating 6 and a breathable moisture-proof layer 5 on the surface of the first waterproof coating 2 by the single-component polyurethane waterproof coating and the non-woven fabric, covering the surface of the first layer of single-component polyurethane waterproof coating and partially covering the surface of the first waterproof coating 2 by the first layer of non-woven fabric, then covering the surface of the first layer of non-woven fabric with a second layer of single-component polyurethane waterproof coating, covering the upper surface of the first layer of non-woven fabric with the second layer of single-component polyurethane waterproof coating, and partially coating the second layer of single-component polyurethane waterproof coating on the surface of the first waterproof coating 2, and then repeating the action until the breathable moisture-proof layer 5 and the second waterproof coating 6 completely cover one side of the first waterproof coating 2, which is far away from the concrete floor base layer 1.
Referring to fig. 1 and 2, the breathable moisture-proof layer 5 and the second waterproof coating 6 are stacked in a staggered manner, so that the waterproof performance and the breathable performance of the waterproof composite layer are improved, water vapor in the waterproof composite layer is conveniently distributed, and the possibility that the waterproof composite layer bulges and falls off is reduced.
Referring to fig. 1 and 2, one side that ventilative dampproof course 5 and second water proof coating 6 deviate from first water proof coating 2 has laid one deck waterproofing membrane layer 8 jointly, and waterproofing membrane layer 8 covers the setting along the crossing of ventilative dampproof course 5 and second water proof coating 6, is favorable to reducing like this that the possibility of the water seepage phenomenon appears in the crack and appears in the crossing of ventilative dampproof course 5 and second water proof coating 6.
Referring to fig. 1 and 2, one side that second waterproof coating 6 deviates from first waterproof coating 2 is equipped with screed-coat 7, and screed-coat 7 chooses for use the foam concrete to make, and the foam concrete covers waterproofing membrane layer 8, and screed-coat 7 makes second waterproof coating 6 deviate from one side of first waterproof coating 2 and makes level, has improved the roughness that screed-coat 7 deviates from second waterproof coating 6 and ventilative dampproof course 5 one side.
Referring to fig. 1 and 2, one side that screed-coat 7 deviates from second waterproof coating 6 is equipped with heat preservation 9, and heat preservation 9 chooses for use the heated board to make, is favorable to improving waterproof composite bed's thermal insulation performance. A supporting piece is arranged between the leveling layer 7 and the heat preservation layer 9, the supporting piece comprises a plurality of I-shaped supporting section bars 11, the I-shaped supporting section bars 11 are formed by two panels 112 and a plurality of supporting rods 113 supported between the two panels 112, the supporting rods 113 are integrally connected with the two panels 112, and a plurality of ventilation channels 111 are preset between the I-shaped supporting section bars 11. The two sides of the supporting section bar 11 are respectively adhered and fixed with the leveling layer 7 and the heat preservation layer 9. The arrangement of the supporting section bar 11 is beneficial to further improving the air permeability of the waterproof composite layer.
Referring to fig. 1 and 2, the waterproof composite layer further includes a protective layer 3 and a surface layer 4, the protective layer 3 and the surface layer 4 are arranged from bottom to top, the protective layer 3 is arranged on one side of the heat preservation plate departing from the supporting section bar 11, the protective layer 3 is formed by pouring concrete, and the surface layer 4 is formed by laying ceramic tiles on the surface of the concrete. An impermeable layer 10 is arranged between the heat preservation plate and the protective layer 3, and the impermeable layer 10 is made of geomembrane. The geomembrane is a geotechnical anti-seepage material which is formed by compounding a plastic film serving as an anti-seepage base material and non-woven fabrics, has good anti-seepage effect and is beneficial to reducing the possibility that the surface layer 4 and the protective layer 3 have water seepage and continuously seep downwards.
The application also discloses an installation method of the roof waterproof system, which comprises the following construction steps:
cleaning a concrete floor base layer 1: cleaning up dust and sundries on the surface of the concrete floor base layer 1, leveling uneven parts by adopting cement mortar, and polishing a base surface by adopting a shot blasting machine after finishing repairing so as to keep the surface of the concrete floor base layer 1 flat;
laying a first waterproof coating 2: smearing epoxy waterproof paint on the surface of the concrete floor base layer 1, wherein the epoxy waterproof paint permeates 3-5mm towards the interior of the concrete floor base layer 1, and forming a first waterproof coating 2 with the thickness of 3-5m on the surface of the concrete floor base layer 1;
laying a second waterproof coating 6 and a breathable moisture-proof layer 5: firstly partially coating a first layer of single-component polyurethane waterproof paint on the surface of the first waterproof coating 2, then laying a first layer of non-woven fabric, forming a second waterproof coating 6 and a breathable moisture-proof layer 5 on the surface of the first waterproof coating 2 by the single-component polyurethane waterproof paint and the non-woven fabric, covering the first layer of non-woven fabric on the surface of the first layer of single-component polyurethane waterproof paint and partially covering the surface of the first waterproof coating 2, then covering the surface of the first layer of non-woven fabric with a second layer of single-component polyurethane waterproof paint, coating the upper surface of the first layer of non-woven fabric and partially on the surface of the first waterproof coating 2 by the second layer of single-component polyurethane waterproof paint, and repeating the operation to enable the breathable moisture-proof layer 5 and the second waterproof coating 6 to be vertically staggered and stacked until the surface of the first waterproof coating 2 is completely covered;
after the first waterproof coating 2 is laid and before the second waterproof coating 6 and the breathable moisture-proof layer 5 are laid, an operator needs to additionally coat the second waterproof coating 6 on the exposed part until no exposure is observed after 30 min; and then the second waterproof coating 6 and the breathable moisture-proof layer 5 are bonded and covered with the waterproof roll material at the staggered part departing from the first waterproof coating 2 to form a waterproof roll material layer 8.
Paving a leveling layer 7 and a heat insulation layer 9: pouring a layer of foam concrete with the thickness of 20-30mm on one side of the second waterproof coating 6 and the breathable moisture-proof layer 5 away from the first waterproof coating 2, leveling the surface of the foam concrete to form a leveling layer 7, then placing I-shaped supporting sectional materials 11 on one side of the leveling layer 7 away from the second waterproof coating 6, wherein a plurality of breathable channels 111 are preset between the I-shaped supporting sectional materials 11; and then paving a layer of insulation board with the thickness of 20-30mm on one side of the support section bar 11 departing from the leveling layer 7 to form an insulation layer 9.
Laying a protective layer 3 and a surface layer 4: before laying protective layer 3, lay one side geomembrane in the one side that thermal insulation layer 9 deviates from support section bar 11, then pour the concrete that one deck thickness is 40mm in the one side that thermal insulation layer 9 deviates from second waterproof coating 6 and ventilative dampproof course 5, and preset the reinforcing bar in the concrete, form protective layer 3, then paste the ceramic tile in the one side that protective layer 3 deviates from thermal insulation layer 9, form surface course 4, at this moment, the geomembrane sets up between thermal insulation layer 9 and protective layer 3, form barrier layer 10.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (3)
1. A roof waterproof system which characterized in that: the waterproof floor comprises a concrete floor base layer (1) and a waterproof composite layer arranged above the concrete floor base layer (1), wherein the waterproof composite layer comprises a first waterproof coating (2), a protective layer (3) and a surface layer (4), the first waterproof coating (2) is coated on one side of the concrete floor base layer (1), the protective layer (3) and the surface layer (4) are arranged on one side, deviating from the concrete floor base layer (1), of the first waterproof coating (2) from bottom to top, the first waterproof coating (2) is made of epoxy waterproof paint, the epoxy waterproof paint permeates into the concrete floor base layer (1) by 3-5mm, and a breathable moisture-proof layer (5) is arranged on one side, deviating from the concrete floor base layer (1), of the first waterproof coating (2);
a second waterproof coating (6) is arranged on one side, away from the concrete floor base layer (1), of the first waterproof coating (2), and the second waterproof coating (6) is made of a single-component polyurethane waterproof coating;
the concrete floor slab is characterized in that the breathable moisture-proof layer (5) is made of non-woven fabrics, the breathable moisture-proof layer (5) and the second waterproof coating (6) are divided into a plurality of modules, the areas of the breathable moisture-proof layer (5) and the second waterproof coating (6) are the same, the breathable moisture-proof layer (5) and the second waterproof coating (6) are arranged in a vertically staggered and stacked mode, and the breathable moisture-proof layer (5) and the second waterproof coating (6) cover the side, away from the concrete floor slab base layer (1), of the first waterproof coating (2) completely;
a waterproof coil layer (8) is paved on one side of the breathable moisture-proof layer (5) and one side of the second waterproof coating (6) which is far away from the first waterproof coating (2);
a leveling layer (7) is arranged on one side, away from the first waterproof coating (2), of the second waterproof coating (6), and the leveling layer (7) is made of foam concrete;
a heat insulation layer (9) is arranged on one side of the leveling layer (7) away from the second waterproof coating (6), and the heat insulation layer (9) is made of a heat insulation plate; an impermeable layer (10) is arranged between the heat-insulation plate and the protective layer (3), and the impermeable layer (10) is made of a geomembrane;
a supporting piece is arranged between the leveling layer (7) and the heat insulation layer (9), the supporting piece comprises a plurality of I-shaped supporting sectional materials (11), and a plurality of ventilation channels (111) are preset between the I-shaped supporting sectional materials (11).
2. The method for installing a roof waterproofing system according to claim 1, comprising the following construction steps:
cleaning a concrete floor base layer (1): cleaning up dust and sundries on the surface of the concrete floor base layer (1), leveling uneven parts by adopting cement mortar, and polishing a base surface by adopting a shot blasting machine after finishing repairing so as to keep the surface of the concrete floor base layer (1) flat;
laying a first waterproof coating (2): smearing epoxy waterproof paint on the surface of the concrete floor base layer (1), wherein the epoxy waterproof paint penetrates 3-5mm towards the interior of the concrete floor base layer (1), and a first waterproof coating (2) with the thickness of 3-5m is formed on the surface of the concrete floor base layer (1);
laying a second waterproof coating (6) and a breathable moisture-proof layer (5): a first layer of single-component polyurethane waterproof coating is firstly partially coated on the surface of the first waterproof coating (2), then laying a first layer of non-woven fabric, forming a second waterproof coating (6) and a breathable moisture-proof layer (5) on the surface of the first waterproof coating (2) by the single-component polyurethane waterproof coating and the non-woven fabric, covering the surface of the first layer of single-component polyurethane waterproof coating and partially covering the surface of the first waterproof coating (2), then covering the surface of the first layer of non-woven fabric with a second layer of single-component polyurethane waterproof paint, covering the upper surface of the first layer of non-woven fabric with the second layer of single-component polyurethane waterproof paint, and partially coating the second layer of single-component polyurethane waterproof paint on the surface of the first waterproof coating (2), then repeating the action to enable the breathable moisture-proof layer (5) and the second waterproof coating (6) to be overlapped up and down in a staggered mode until the surface of the first waterproof coating (2) is completely covered;
paving a leveling layer (7) and a heat-insulating layer (9): pouring a layer of foam concrete with the thickness of 20-30mm on one side of the second waterproof coating (6) and the breathable moisture-proof layer (5) away from the first waterproof coating (2), leveling the surface of the foam concrete to form a leveling layer (7), and paving a layer of insulation board with the thickness of 20-30mm on one side of the leveling layer (7) away from the second waterproof coating (6) and the breathable moisture-proof layer (5) to form an insulation layer (9);
laying a protective layer (3) and a surface layer (4): one side that deviates from second waterproof coating (6) and ventilative dampproof course (5) in heat preservation (9) pours the concrete that one deck thickness is 40mm to preset the reinforcing bar in the concrete, form protective layer (3), then paste the ceramic tile in one side that protective layer (3) deviate from heat preservation (9), form surface course (4).
3. A method of installing a water roofing system according to claim 2, wherein: after the first waterproof coating (2) is laid and before the second waterproof coating (6) and the breathable moisture-proof layer (5) are laid, an operator is required to additionally coat the second waterproof coating (6) on the exposed white part until no exposure is observed after 30 min.
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| CN202010589462.7A CN111734054B (en) | 2020-06-24 | 2020-06-24 | Roof waterproof system and installation method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009281100A (en) * | 2008-05-26 | 2009-12-03 | Isamu Yamauchi | Rooftop greening system for bent plate roof |
| CN205189267U (en) * | 2015-11-16 | 2016-04-27 | 杭州杰晟宝建筑围护系统有限公司 | It shakes novel multilayer roof boarding of dampproofing integration to subtract acoustic reactance |
| CN206616785U (en) * | 2016-12-27 | 2017-11-07 | 中国二十冶集团有限公司 | Inverted roof provided with steam passing away |
| CN108560735A (en) * | 2018-03-13 | 2018-09-21 | 广西金雨伞防水装饰有限公司 | A kind of rubbery state waterproof layer structure and its construction method |
| CN108661250A (en) * | 2018-06-04 | 2018-10-16 | 中建局集团建设发展有限公司 | Inversion-type waterproof heat-retaining roof structure and its construction method |
| CN110080473B (en) * | 2019-05-05 | 2021-02-12 | 宏源防水科技集团有限公司 | Flat roof waterproof and heat-insulating system and construction method thereof |
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