CN110924600A - Polyurethane hard foam roof waterproof and heat-insulating process - Google Patents
Polyurethane hard foam roof waterproof and heat-insulating process Download PDFInfo
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- CN110924600A CN110924600A CN201911215703.5A CN201911215703A CN110924600A CN 110924600 A CN110924600 A CN 110924600A CN 201911215703 A CN201911215703 A CN 201911215703A CN 110924600 A CN110924600 A CN 110924600A
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- 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
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- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
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- 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
- E04D13/17—Ventilation of roof coverings not otherwise provided for
- E04D13/172—Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a polyurethane rigid foam roof waterproof heat insulation process, which belongs to the technical field of roof heat insulation and comprises the following steps: s1: coating a waterproof coating film on the roof base layer; s2: spraying a polyurethane hard foam raw material mixture on the waterproof coating film to form a first polyurethane hard foam layer; s3: the water guide groove bodies are arranged on the upper portion of the first polyurethane rigid foam layer and on two opposite sides of the roof, the upper portion of each water guide groove body is provided with a water guide groove, the portion, abutted against the side wall of the roof, of each water guide groove body is higher, each water guide groove body is communicated with a drain pipe, and the drain pipes gradually extend out of the side wall of the roof from the bottom of the corresponding drain groove body in an inclined mode; s4: repeating S2 to form a second rigid polyurethane foam layer; s5: after the polyurethane hard foam body is formed and hardened, an isolation layer is laid on the surface of the polyurethane hard foam body layer, and then a fine stone reinforced concrete layer is laid.
Description
Technical Field
The invention relates to the technical field of roof heat insulation, in particular to a waterproof heat insulation process for a polyurethane rigid foam roof.
Background
At present, along with the increasing attention on building energy conservation, a building heat preservation technology obtains market heat bar, and the leakage heat preservation of a building roof is always a difficult problem in building construction.
The existing Chinese patent with the reference publication number of CN101831994B discloses a double-layer waterproof double-layer drainage structure of a heat-insulation roof and a construction method thereof, wherein the structure comprises the following steps from bottom to top in sequence: the reinforced concrete roof slab comprises a reinforced concrete roof slab, a bottom cement mortar leveling layer, a bottom waterproof layer, a heat insulation layer, a surface cement mortar leveling layer and a surface waterproof layer, wherein two sets of waterproof drainage systems are arranged above and below the heat insulation roof. The bottom cement mortar leveling layer is provided with a plurality of transverse and longitudinal exhaust grooves, the cross part of the transverse and longitudinal exhaust grooves is provided with a roof exhaust outlet, and the roof exhaust pipe is arranged on the roof exhaust outlet. The construction method comprises the following steps of; laying a roof board, and sequentially arranging a bottom cement mortar leveling layer, a bottom waterproof layer, a heat preservation layer, a surface cement mortar leveling layer, a slope and a surface waterproof layer on the roof board. Installing a roof exhaust pipe and a heat-insulating layer drain pipe, wherein the two rows of water pipes are communicated with a water collecting part on the roof, and the other end of the water pipes is arranged in a water falling hopper; the water falling hopper is communicated with the main water drainage pipe.
The above prior art solutions have the following drawbacks: most rainwater flows to the edge of the surface waterproof layer, then flows away from the roof drainage pipe gradually, and the edge of the surface waterproof layer is soaked more, so that the rainwater is easy to permeate into the roof from the edge of the surface waterproof layer, and the waterproof effect is poor.
Disclosure of Invention
The invention aims to provide a polyurethane hard foam roof waterproof and heat-insulating process for improving the waterproof effect.
The above object of the present invention is achieved by the following technical solutions:
the waterproof and heat insulating technology for the polyurethane hard foam roof is characterized by comprising the following steps: the method comprises the following steps:
s1: coating a waterproof coating film on the roof base layer;
s2: spraying a polyurethane hard foam raw material mixture on the waterproof coating film to form a first polyurethane hard foam layer;
s3: the water guide groove bodies are arranged on the two opposite sides of the roof on the upper portion of the first polyurethane rigid foam body layer, the water guide grooves are formed in the upper portions of the water guide groove bodies, the portions, abutted to the side wall of the roof, of the water guide groove bodies are higher, the water guide groove bodies are communicated with drain pipes, and the drain pipes extend out of the side wall of the roof gradually and obliquely from the bottom of the drain groove bodies.
S4: repeating S2 to form a second rigid polyurethane foam layer;
s5: and after the second polyurethane hard foam layer is formed and hardened, paving an isolation layer on the surface of the second polyurethane hard foam layer, and then paving a fine stone reinforced concrete layer.
By adopting the technical scheme, the waterproof coating is firstly coated, and then the first polyurethane hard foam layer is sprayed, so that the adhesive force between the first polyurethane hard foam layer and the base surface is better; place the drainage ditch body at first hard foam body layer upper portion edge of polyurethane, then spout between the drainage ditch body and cover the hard foam body layer of second polyurethane, the foaming on the hard foam body layer of second polyurethane solidifies the in-process, can extrude the drainage ditch body, make drainage structure body support tightly with the relative both sides of roofing, then lay insulating layer and fine stone reinforced concrete layer in proper order, when rainy day, the rainwater flows to the drainage ditch of its both sides in the surface on fine stone reinforced concrete layer internal, then the rainwater flows to the drain pipe discharge in the guiding gutter, avoided the rainwater to soak the roofing edge in fine stone reinforced concrete layer edge, thereby the possibility of the downward infiltration of surface course edge has been reduced, water-proof effects is improved.
The waterproof coating film has strong adhesive force with the base layer, plays a role in waterproof and interface treatment, and enables the first polyurethane rigid foam layer to be better combined with the base surface; most of the first polyurethane hard foam layer and the second polyurethane hard foam layer are closed holes, so that the heat insulation performance is excellent, and a continuous layer can be formed by adopting a field spraying mode, so that the waterproof and heat insulation performance is good; the isolation layer plays the barrier effect to play between second polyurethane hard bubble body layer and its upper strata, has reduced the infiltration of moisture in the fine stone reinforced concrete layer on the hard bubble body layer of second polyurethane in the work progress, and fine stone reinforced concrete layer plays the guard action to the hard bubble body layer of first polyurethane, the hard bubble body layer of second polyurethane, makes the people stand when on fine stone reinforced concrete layer, can not cause the damage to the hard bubble body layer of first polyurethane, the hard bubble body layer of second polyurethane.
The invention is further configured to: in steps S2 and S3, the thickness of the polyurethane hard foam layer is formed once is not more than 15 cm.
By adopting the technical scheme, when the first polyurethane hard foam body layer and the second polyurethane hard foam body layer are subjected to spray construction, the once spray amount is less, the sagging phenomenon is not easy to generate, and the flatness of each layer of the first polyurethane hard foam body layer and the second polyurethane hard foam body layer after forming is higher.
The invention is further configured to: the bottom of one side of the water guide channel body, which is far away from the side wall of the roof, is fixedly connected with a fixing bulge.
Through adopting above-mentioned technical scheme, lie in fixed bellied upper portion behind the shaping of second polyurethane rigid foam layer, play limiting displacement to fixed arch, make fixed arch can not the rebound, improved the stability in the position of the water guide ditch body.
The invention is further configured to: the top of the part of water guide ditch body and roof lateral wall butt is provided with guide portion, and guide portion slope sets up, and inclines downwards gradually towards the direction that is close to the roofing middle part, roofing lateral wall fixedly connected with separation portion, the top butt of separation portion and guide portion.
By adopting the technical scheme, the blocking part has a limiting effect on the water guide channel body, so that the water guide channel body cannot move upwards, and the position stability of the water guide channel body is further improved; and the butt seam between guide portion and the roof lateral wall has been blocked to the vertical direction of separation portion, and when the rainwater descends, along the vertical lateral wall landing of separation portion to the inclined position at water guide ditch body top, then along the inclined position landing at water guide ditch top to in leading the ditch inslot, avoided the rainwater to get into the butt seam between water guide ditch body and the roof lateral wall, improved water-proof effects.
The invention is further configured to: in step S4, a waterproof mortar layer is applied to the upper portion of the insulating layer, and the upper surface of the waterproof mortar layer is gradually lowered in a direction toward the water guide channel body.
Through adopting above-mentioned technical scheme, after the rainwater on part infiltration fine stone reinforced concrete layer reachd waterproof mortar layer, can flow to the direction of the water guide ditch body along the slope trend on waterproof mortar layer and comparatively fast.
The invention is further configured to: the water guide channel body is provided with a water guide channel, the water guide channel is communicated with the upper part of the waterproof mortar layer and the water guide channel, and the water guide channel gradually inclines downwards from the edge of the waterproof mortar layer to the inner side of the water guide channel.
Through adopting above-mentioned technical scheme, the rainwater that flows to the direction of the water guide ditch body along waterproof mortar layer enters into the water guide channel, then flows into the water guide channel downwards along the slope of water guide channel in, makes the intraformational rainwater of infiltration fine stone reinforced concrete discharge, and fine stone reinforced concrete layer can not soaked by the rainwater always, is favorable to improving the life on fine stone reinforced concrete layer.
The invention is further configured to: the water guide ditch body is provided with the gas removal subassembly, and the gas removal subassembly includes a storing post and a net section of thick bamboo, and storing post fixed connection is in the bottom of water guide slot, and vertical vapour removal passageway has been seted up to the storing post, and the vapour removal passageway runs through the bottom of the water guide ditch body, and a net section of thick bamboo is located the vapour removal passageway, and the top threaded connection of a net section of thick bamboo has sealed lid, sealed lid and storing post threaded connection.
By adopting the technical scheme, as partial moisture remains in the construction of each layer, for the first polyurethane hard foam layer and the second polyurethane hard foam layer which are mainly used for heat preservation, if the moisture exists all the time, the heat preservation performance of the first polyurethane hard foam layer and the second polyurethane hard foam layer is lower; calcium oxide particles are placed in the net cylinder, so that water vapor in the first polyurethane hard foam layer and the second polyurethane hard foam layer can move upwards from the degassing channel and then is absorbed by the calcium oxide particles in the net cylinder to be removed, the water vapor can be removed, the moisture in the first polyurethane hard foam layer and the second polyurethane hard foam layer is reduced, and the heat preservation performance of the first polyurethane hard foam layer and the second polyurethane hard foam layer is favorably maintained; and, rotate sealed lid, sealed lid can separate with the storing post, then rotate a net section of thick bamboo, a net section of thick bamboo with send the closing cap separation, can regularly change the calcium oxide granule in a net section of thick bamboo, guaranteed the moisture removal effect of degasification subassembly.
The invention is further configured to: the middle part of the top of the sealing cover is upwards protruded.
Through adopting above-mentioned technical scheme, when the rainwater falls to the top of sealed lid, can follow along sealed lid top to the landing that inclines all around, sealed lid plays the effect of blockking to the junction of a net section of thick bamboo and storing post, makes the rainwater can not fall the junction of a net section of thick bamboo and storing post and infiltration.
In conclusion, the beneficial technical effects of the invention are as follows:
1. by arranging the drainage ditch body, the edge of the roof surface layer is prevented from being soaked by rainwater at the edge of the fine stone reinforced concrete layer, so that the possibility of downward water seepage at the edge of the surface layer is reduced, and the waterproof effect is improved;
2. by arranging the blocking part, rainwater is prevented from entering the abutting joint between the water guide ditch body and the side wall of the roof, and the waterproof effect is improved;
3. through setting up the degasification subassembly, be favorable to the maintenance of first hard bubble body layer of polyurethane and the hard bubble body layer heat preservation performance of second polyurethane, and make the calcium oxide granule in the net section of thick bamboo can change, be favorable to its maintenance of removing the steam effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the water guide passage perpendicular to the length direction of the water guide gutter body;
FIG. 3 is a cross-sectional view of a degas assembly;
fig. 4 is a sectional view of the waterproofing membrane parallel to the lengthwise direction of the gutter body.
In the figure, 1, a roof substrate; 11. a blocking section; 2. waterproof coating; 3. a first rigid polyurethane foam layer; 4. a water guide channel body; 41. a water guide groove; 42. a guide section; 43. a drain pipe; 44. a fixed protrusion; 45. a water guide channel; 46. a one-way valve; 5. a degassing assembly; 51. a storage column; 512. a steam removal channel; 52. a net drum; 521. a sealing cover; 6. a second rigid polyurethane foam layer; 7. an insulating layer; 71. a waterproof mortar layer; 72. a fine stone reinforced concrete layer; 8. a waterproof roll.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the polyurethane rigid foam roof waterproof and heat insulation process disclosed by the invention comprises the following steps:
s1: a waterproof coating film 2 is coated on the roof base layer 1, and the waterproof coating film 2 is an acrylic waterproof coating film 2;
s2: spraying a polyurethane hard foam raw material mixture on the waterproof coating film 2 to form a first polyurethane hard foam layer 3;
s3: on 3 upper portions of first polyurethane hard bubble body layer, waterproofing membrane 8 is laid to the relative both sides of roofing, make 8 line levels of waterproofing membrane lay, vertical upwards along the vertical part of roofing lateral wall again, then place water guide ditch body 4 in the relative both sides of roofing, the both ends and the waterproofing membrane 8 of water guide ditch body 4 support tightly, make the both ends of water guide ditch body 4 sealed, water guide slot 41 has been seted up on water guide ditch body 4 upper portion, water guide ditch body 4 is higher with the part of roofing lateral wall butt, water guide ditch body 4 intercommunication has drain pipe 43, drain pipe 43 begins slope gradually from the bottom of the water guide ditch body and stretches out the roofing lateral wall downwards, paint waterproof mortar at the roofing lateral wall and form separation portion 11, make separation portion 11 and guide portion 42's top butt.
Referring to fig. 1 and 2, the bottom fixedly connected with fixed protrusion 44 of one side that the roofing lateral wall was kept away from to the water guide ditch body 4, the top of the part of water guide ditch body 4 and roof lateral wall butt is provided with guide portion 42, guide portion 42 slope sets up, and slope downwards gradually towards the direction that is close to the roofing middle part, the butt seam between guide portion 42 and the roof lateral wall has been blocked in the vertical direction of separation portion 11, when the rainwater descends, along the inclined position at the vertical lateral wall landing of separation portion 11 to water guide ditch body 4 top, then along the inclined position landing at water guide ditch top to in the water guide slot 41, avoided the rainwater to get into the butt seam between water guide ditch body 4 and the roof lateral wall, water-proof effects has been improved.
S4: s2 is repeatedly carried out to form a second polyurethane hard foam layer 6, and in the foaming and solidifying process of the second polyurethane hard foam layer 6, the drainage ditch body can be extruded to enable the drainage structure body to be tightly abutted against two opposite sides of the roof, and meanwhile, the waterproof coiled material 8 is also extruded to enable the waterproof coiled material 8 to be tightly abutted against the side wall of the roof, so that the edge sealing performance of two sides of the roof provided with the waterproof coiled material 8 is ensured;
s5: after the second polyurethane rigid foam layer 6 is formed and hardened, an isolation layer 7 is laid on the surface of the second polyurethane rigid foam layer 6, a waterproof mortar layer 71 is coated on the upper portion of the isolation layer 7, the upper surface of the waterproof mortar layer 71 is gradually lowered along the direction close to the water guide ditch body 4, and then a fine stone reinforced concrete layer 72 is laid above the waterproof mortar layer 71.
Referring to fig. 3 and 4, the water guide channel 45 is formed in the water guide channel body 4, the water guide channel 45 is communicated with the upper portion of the waterproof mortar layer 71 and the water guide channel 41, the water guide channel 45 gradually inclines downwards from the edge of the waterproof mortar layer 71 to the inner side of the water guide channel 41, the one-way valve 46 enabling water to flow only into the water guide channel 41 is arranged in the water guide channel 45, and the outer portion of the one-way valve 46 is tightly abutted against the inner wall of the water guide channel 45. The water guide groove body 4 is provided with a degassing component 5, the degassing component 5 comprises a storage column 51 and a net cylinder 52, the storage column 51 is fixedly connected to the bottom of the water guide groove 41, the storage column 51 is provided with a vertical degassing channel 512, the degassing channel 512 penetrates through the bottom of the water guide groove body 4, the net cylinder 52 is positioned in the degassing channel 512, the top of the net cylinder 52 is in threaded connection with a sealing cover 521, the sealing cover 521 is in threaded connection with the storage column 51, the middle part of the top of the sealing cover 521 protrudes upwards, the sealing cover 521 is rotated and can be separated from the storage column 51, then the net cylinder 52 is rotated, the net cylinder 52 is separated from a sealing cover, calcium oxide particles in the net cylinder 52 can be periodically replaced, so that water vapor in the first polyurethane hard foam layer 3 and the second polyurethane hard foam layer 6 can be absorbed by the calcium oxide particles in the degassing channel and removed, and moisture in the first polyurethane hard foam layer 3 and the second polyurethane hard foam layer 6 is reduced, the heat preservation performance of the first polyurethane rigid foam layer 3 and the second polyurethane rigid foam layer 6 is maintained.
Wherein, in steps S2 and S3, the thickness of the polyurethane hard foam layer formed once is not more than 15 cm.
The implementation principle of the embodiment is as follows: firstly, the waterproof coating 2 is coated, and then the first polyurethane hard foam layer 3 is sprayed, so that the adhesive force between the first polyurethane hard foam layer 3 and the base surface is better, then a drainage ditch body is arranged at the edge of the upper part of the first polyurethane rigid foam body layer 3, then a second polyurethane rigid foam body layer 6 is sprayed between the drainage ditch bodies, the drainage ditch body can be extruded in the foaming and solidifying process of the second polyurethane rigid foam body layer 6, so that the drainage structure body is tightly propped against the two opposite sides of the roof, then an isolation layer 7 and a fine stone reinforced concrete layer 72 are sequentially paved, in rainy days, rainwater flows to the drainage ditch bodies at the two sides of the fine stone reinforced concrete layer 72 on the surface of the fine stone reinforced concrete layer 72, then, the rainwater flows to the drain pipe 43 in the water guide groove 41 and is discharged, so that the rainwater is prevented from soaking the edge of the roof surface layer at the edge of the fine stone reinforced concrete layer 72, the possibility of downward water seepage of the edge of the surface layer is reduced, and the waterproof effect is improved; meanwhile, a small part of rainwater permeating into the fine stone reinforced concrete layer 72 is blocked by the waterproof mortar layer 71, then flows towards the water guide channel body 4 along the inclination trend of the waterproof mortar layer 71, enters the water guide channel 45 along the rainwater flowing towards the water guide channel body 4 from the waterproof mortar layer 71, then flows into the water guide channel 45 along the water guide channel 45 in an inclined and downward manner, and is discharged from the drain pipe 43.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The waterproof and heat insulating technology for the polyurethane hard foam roof is characterized by comprising the following steps: the method comprises the following steps:
s1: a waterproof coating (2) is coated on the roof base layer (1);
s2: spraying a polyurethane hard foam raw material mixture on the waterproof coating film (2) to form a first polyurethane hard foam layer (3);
s3: the water guide channel bodies (4) are arranged on the upper portion of the first polyurethane hard foam body layer (3) and on two opposite sides of the roof, the upper portions of the water guide channel bodies (4) are provided with water guide grooves (41), the portions, abutted to the side walls of the roof, of the water guide channel bodies (4) are higher, the water guide channel bodies (4) are communicated with drain pipes (43), and the drain pipes (43) extend out of the side walls of the roof gradually and obliquely from the bottoms of the drain channel bodies;
s4: repeating the step S2 to form a second polyurethane rigid foam layer (6);
s5: after the second polyurethane rigid foam layer (6) is formed and hardened, an isolation layer (7) is laid on the surface of the second polyurethane rigid foam layer (6), and then a fine stone reinforced concrete layer (72) is laid.
2. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 1, wherein the waterproof and heat-insulating technology comprises the following steps: in steps S2 and S3, the thickness of the polyurethane hard foam layer is formed once is not more than 15 cm.
3. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 1, wherein the waterproof and heat-insulating technology comprises the following steps: the bottom of one side of the water guide channel body (4) far away from the side wall of the roof is fixedly connected with a fixing bulge (44).
4. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 3, wherein the waterproof and heat-insulating technology comprises the following steps: the top of the part of water guide ditch body (4) and roof lateral wall butt is provided with guide portion (42), and guide portion (42) slope sets up, and inclines downwards gradually towards the direction that is close to the roofing middle part, roofing lateral wall fixedly connected with separation portion (11), the top butt of separation portion (11) and guide portion (42).
5. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 1, wherein the waterproof and heat-insulating technology comprises the following steps: in step S4, a waterproof mortar layer (71) is applied to the upper part of the insulating layer (7), and the upper surface of the waterproof mortar layer (71) is gradually lowered in the direction toward the water guide channel body (4).
6. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 5, wherein the waterproof and heat-insulating technology comprises the following steps: the water guide channel body (4) is provided with a water guide channel (45), the water guide channel (45) is communicated with the upper part of the waterproof mortar layer (71) and the water guide groove (41), and the water guide channel (45) is gradually inclined downwards from the edge of the waterproof mortar layer (71) to the inner side of the water guide groove (41).
7. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 1, wherein the waterproof and heat-insulating technology comprises the following steps: the water guide ditch body (4) are provided with degassing assembly (5), degassing assembly (5) are including storing post (51) and a net section of thick bamboo (52), storing post (51) fixed connection is in the bottom of water guide slot (41), vertical vapour removal passageway (512) have been seted up in storing post (51), vapour removal passageway (512) run through the bottom of water guide ditch body (4), a net section of thick bamboo (52) are located vapour removal passageway (512), the top threaded connection of a net section of thick bamboo (52) has sealed lid (521), sealed lid (521) and storing post (51) threaded connection.
8. The waterproof and heat-insulating technology for the roof with the rigid polyurethane foam as claimed in claim 1, wherein the waterproof and heat-insulating technology comprises the following steps: the middle part of the top of the sealing cover (521) is upwards protruded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215703.5A CN110924600B (en) | 2019-12-02 | 2019-12-02 | Polyurethane hard foam roof waterproof and heat-insulating process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911215703.5A CN110924600B (en) | 2019-12-02 | 2019-12-02 | Polyurethane hard foam roof waterproof and heat-insulating process |
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| CN110924600A true CN110924600A (en) | 2020-03-27 |
| CN110924600B CN110924600B (en) | 2021-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031287A (en) * | 2020-09-09 | 2020-12-04 | 中国建筑一局(集团)有限公司 | Outdoor sunken floating building platform roof structure and construction method thereof |
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| CN110094023A (en) * | 2018-01-31 | 2019-08-06 | 中国二十冶集团有限公司 | A kind of light fire-proof heat-insulating plate open valley anti-leaking method using stainless steel inner lining |
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2019
- 2019-12-02 CN CN201911215703.5A patent/CN110924600B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29701072U1 (en) * | 1997-01-22 | 1997-03-27 | Nutz Theo | Lateral end element for flat roofs |
| CN2758354Y (en) * | 2004-12-14 | 2006-02-15 | 万科企业股份有限公司 | Inversion type roof surface having blind drain |
| CN201695580U (en) * | 2010-06-22 | 2011-01-05 | 中国建筑第二工程局有限公司 | Inverted roof structure |
| CN204715638U (en) * | 2015-04-07 | 2015-10-21 | 新疆特变电工房地产开发有限责任公司 | A kind of roof covering water-proof structure |
| CN206752862U (en) * | 2017-05-11 | 2017-12-15 | 南京市裕和建设有限公司 | Inverted roof waterproof construction based on durability |
| CN110094023A (en) * | 2018-01-31 | 2019-08-06 | 中国二十冶集团有限公司 | A kind of light fire-proof heat-insulating plate open valley anti-leaking method using stainless steel inner lining |
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| CN112031287A (en) * | 2020-09-09 | 2020-12-04 | 中国建筑一局(集团)有限公司 | Outdoor sunken floating building platform roof structure and construction method thereof |
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