CN111395659B - Energy-saving building roof structure and construction method thereof - Google Patents

Energy-saving building roof structure and construction method thereof Download PDF

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Publication number
CN111395659B
CN111395659B CN202010313096.2A CN202010313096A CN111395659B CN 111395659 B CN111395659 B CN 111395659B CN 202010313096 A CN202010313096 A CN 202010313096A CN 111395659 B CN111395659 B CN 111395659B
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CN
China
Prior art keywords
plate
hole
waterproof
arc
sealing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202010313096.2A
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Chinese (zh)
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CN111395659A (en
Inventor
徐苏清
金自生
郎涛奇
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Guangdong Hongtai Construction Co ltd
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Guangdong Hongtai Construction Co ltd
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Priority to CN202010313096.2A priority Critical patent/CN111395659B/en
Publication of CN111395659A publication Critical patent/CN111395659A/en
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Publication of CN111395659B publication Critical patent/CN111395659B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/354Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material more than one of the layers being composed of insulating material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/357Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation comprising hollow cavities
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36Connecting; Fastening
    • E04D3/366Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The invention discloses an energy-saving building roof structure and a construction method thereof, wherein the energy-saving building roof structure comprises a plurality of plates, adjacent plates are combined, and the upper end of each plate is provided with a waterproof plate; the plate is internally provided with a cavity, the left side surface and the right side surface of the plate protrude outwards to form a trapezoidal protruding part, arc-shaped grooves are processed at the outer wall of the protruding part, the upper part and the lower part of each arc-shaped groove are provided with two arc-shaped grooves, a through hole is formed in the protruding part and is positioned between the upper arc-shaped groove and the lower arc-shaped groove, a connecting hole is formed in the inner bottom of the plate, a convex column is arranged at the position corresponding to the connecting hole, the convex column is combined with the inner bottom of the plate to form sealing, and a threaded hole corresponding to the connecting hole is processed at the upper end of the convex; the bottom of the plate is provided with embedded grooves close to the left side and the right side, and sealing gaskets are embedded in the embedded grooves; the product can play a role in heat insulation and seepage prevention.

Description

Energy-saving building roof structure and construction method thereof
Technical Field
The invention relates to an energy-saving building roof structure and a construction method thereof.
Background
Flat-top buildings are a common building form, but we have found that most residents are reluctant to live in the top floor because the top floor is prone to water seepage and the heat of the top floor is prone to penetrate, so that the indoor temperature is high in summer. The attic is also advantageous, however, as there are no occupants above the attic, no upper occupants, more quiet and comfortable living, large terraces attached to the attic, and so on.
Based on the existing flat layer, an energy-saving building roof structure capable of playing a role in heat insulation and seepage prevention and a construction method thereof are designed.
Disclosure of Invention
The invention aims to provide an energy-saving building roof structure capable of achieving heat insulation and seepage prevention effects and a construction method thereof.
In order to solve the problems, the invention adopts the following technical scheme:
an energy-saving building roof structure comprises a plurality of plates, wherein adjacent plates are combined, and the upper end of each plate is provided with a waterproof plate; the plate is internally provided with a cavity, the left side surface and the right side surface of the plate protrude outwards to form a trapezoidal protruding part, arc-shaped grooves are processed at the outer wall of the protruding part, the upper part and the lower part of each arc-shaped groove are provided with two arc-shaped grooves, a through hole is formed in the protruding part and is positioned between the upper arc-shaped groove and the lower arc-shaped groove, a connecting hole is formed in the inner bottom of the plate, a convex column is arranged at the position corresponding to the connecting hole, the convex column is combined with the inner bottom of the plate to form sealing, and a threaded hole corresponding to the connecting hole is processed at the upper end of the convex; the bottom of the plate is provided with embedded grooves close to the left side and the right side, and sealing gaskets are embedded in the embedded grooves; the bolts are assembled between two adjacent plates through the through holes, the through holes are positioned between the upper arc-shaped groove and the lower arc-shaped groove, so that the sealing strip is arranged, the sealing strip can be connected at the position for water leakage, when the two adjacent plates are combined, the sealing strip is assembled in the combined arc-shaped groove, the bolts squeeze the sealing strip after being tightened, so that the sealing strip forms sealing between the two convex parts, after the plates are combined through the bolts, a flow guide groove is formed between the adjacent plates above the convex parts, the flow guide grooves are communicated from front to back, a filling groove is formed between the adjacent plates below the convex parts, and the filling groove is filled with polyurethane foam caulking agent; the left side and the right side of the waterproof board are downward and backward formed into side edge parts, the waterproof board covers the plate, the side edge parts act on the two side faces of the plate, screws are screwed into the side edge parts, and the screws abut against the plate after being screwed into the side edge parts; forming a bottom plate made of concrete after self-leveling on the roof, paving heat insulation cotton on the bottom plate, and paving a waterproof layer above the heat insulation cotton; a plurality of connecting pipes with internal threads are poured in the bottom plate, first screws are matched between the threaded holes and the connecting pipes, and the first screws penetrate through the waterproof layer and the heat insulation cotton downwards.
Preferably, the waterproof layer is made of polyvinyl chloride (PVC) waterproof coiled materials.
Preferably, a first assembly hole and a second assembly hole which are communicated with the cavity are formed in one side of each plate, the first assembly hole and the second assembly hole are equal in height and are lower than the height of the upper end face of the convex column, an overflow hole is further formed in one side of each plate, the height of the overflow hole is higher than that of the first assembly hole and is lower than that of the upper end face of the convex column, pipe joints are respectively arranged in the first assembly hole and the second assembly hole, a hose is arranged between every two adjacent plates through the pipe joints, the adjacent plates are communicated through the hoses, the pipe joint at the starting end is in butt joint with a water inlet pipeline, a plug is arranged at the pipe joint at the tail end, a water outlet pipe is arranged on one side of one plate and is in butt joint with an indoor water pipeline, and the height of the water outlet pipe is lower than that of the first assembly hole; the waterproof board is a light-transmitting board; the light-transmitting mode plate can transmit sunlight, and water in the plate can be heated after the sunlight transmits; the hot water can be obtained without electric heating, and the hot water can meet the requirement of daily household use, thereby being more energy-saving and environment-friendly.
Preferably, the top of each waterproof board is provided with a sealing groove at a position close to two sides, when two waterproof boards are assembled, a sealing buckle strip is assembled between two adjacent sealing grooves, the sealing buckle strip is buckled into the sealing groove and is glued and fixed with the sealing groove, a gap is formed between the inner side of the sealing buckle strip and the upper end surface of each waterproof board, and a sealing sheet made of rubber is assembled at the formed gap; the effect of the above structure is that the sealing between the adjacent waterproof boards can be performed.
A construction method of an energy-saving building roof structure comprises the following steps:
firstly, building a wooden coaming at the periphery of a roof, pouring concrete slurry into the coaming after the coaming is built, forming a bottom plate after the concrete slurry is automatically leveled, drilling a hole in the formed bottom plate, mounting a connecting pipe, gluing and fixing the connecting pipe at the contact position with the bottom plate after the connecting pipe is mounted, then paving heat-insulating cotton above the bottom plate, and covering a waterproof layer above the heat-insulating cotton;
secondly, plates are installed above the waterproof layer one by one, adjacent plates are tightened through bolts, after tightening, a flow guide groove is formed between the adjacent plates through a protruding part, a first screw is screwed between each plate and the corresponding connecting pipe, and after the first screw is screwed in, the space between each plate and the corresponding roof is reinforced; then covering a waterproof plate;
filling the polyurethane foam gap filler into a filling groove formed between the adjacent protruding parts, foaming and expanding after the polyurethane foam gap filler is filled, and sealing the filling groove.
The invention has the beneficial effects that:
1) after the product is assembled on the roof, the surface of the waterproof board can stand, and a resting platform is provided on the roof;
2) in the product, the plate is internally provided with the cavity, so that water can be stored, the advantage of water storage is that the plate can be prevented from being overheated due to high temperature, the temperature rise of the roof due to the overheated plate is avoided, and meanwhile, the water can be stored for heat exchange, so that the water is heated, and hot water can be used indoors;
3) in the product, the spliced structure of the plates is adopted, and the water chute formed by the adjacent plates can quickly drain water, so that accumulated water is avoided, and leakage caused by the accumulated water is avoided;
4) in the product, adjacent plates are connected through bolts, and the connecting position is positioned below the sealing strip, so that water seepage at the connecting position can be avoided;
5) foaming agents are injected into the filling grooves, so that the sealing property can be further improved;
6) the heat that can avoid in summer of the cotton setting of heat preservation pierces through, plays thermal-insulated effect, can play in winter and avoid inside temperature to pierce through outwards, plays heat retaining effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a cross-sectional view of a plate;
FIG. 3 is an enlarged view of the product at A in the state of example 1;
FIG. 4 is an assembled view of the plate member in the state of embodiment 2;
FIG. 5 is a sectional view of the plate member in the state of embodiment 2;
FIG. 6 is a partial schematic view of a flashing;
fig. 7 is an assembled view of the waterproof board.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1, 2 and 3, the energy-saving building roof structure comprises a plurality of plate members 1, wherein adjacent plate members 1 are combined, and a waterproof plate 2 is assembled at the upper end of each plate member 1; the plate 1 is internally provided with a cavity 101, the left side surface and the right side surface of the plate 1 protrude outwards to form a trapezoidal protruding part 102, the outer wall of the protruding part 102 is provided with arc-shaped grooves 103, the upper part and the lower part of each arc-shaped groove 103 are provided with two arc-shaped grooves, the protruding part 102 is provided with a through hole 104, the through hole 104 is positioned between the upper arc-shaped groove 103 and the lower arc-shaped groove 103, the inner bottom of the plate 1 is provided with a connecting hole 105, a convex column 106 is arranged at the position corresponding to the connecting hole 105, the convex column 106 and the inner bottom of the plate 1 are combined to form sealing, and the upper end of the convex column 106 is provided with a threaded hole 107 corresponding; the bottom of the plate 1 is provided with embedded grooves 108 at positions close to the left side and the right side, and sealing gaskets 109 are embedded in the embedded grooves 108; a bolt 110 is assembled between two adjacent plates 1 through the through hole 104, the through hole 104 is positioned between the upper arc-shaped groove 103 and the lower arc-shaped groove 103, so that the accident of water leakage can occur at the connecting position through the arrangement of a sealing strip 111, when two adjacent plates 1 are combined, the sealing strip 111 is assembled in the combined arc-shaped groove 103, the bolt 110 is tightened to press the sealing strip 111, so that the sealing strip 111 forms a seal between two convex parts 102, after the two adjacent plates 1 are combined through the bolt 110, a flow guide groove 112 is formed above the convex parts 102 between the adjacent plates 1, the flow guide groove 112 is communicated front and back, a filling groove 113 is formed below the convex parts 102 between the adjacent plates 1, and a polyurethane foam caulking agent 114 is filled in the filling groove 113; the left side and the right side of the waterproof board 2 are downward and rearward to form side edge parts 201, the waterproof board 2 covers the plate 1, the side edge parts 201 act on two side faces of the plate 1, screws 202 are screwed into the side edge parts 201, and the screws 202 abut against the plate 1 after being screwed into the side edge parts 201; a bottom plate 3 made of concrete is formed after self-leveling on a roof, heat insulation cotton 4 is paved on the bottom plate 3, and a waterproof layer 5 is paved above the heat insulation cotton 4; a plurality of connecting pipes 311 with internal threads are cast in the bottom plate 3, first screws 6 are matched between the threaded holes 107 and the connecting pipes 311, and the first screws 6 downwards penetrate through the waterproof layer 5 and the heat insulation cotton 4.
The waterproof layer 5 is made of polyvinyl chloride PVC waterproof coiled material.
Example 2
Referring to fig. 4 and 5, a first assembly hole 121 and a second assembly hole 122 communicating with the cavity are formed in one side of the plate 1, the first assembly hole 121 and the second assembly hole 122 are formed to have the same height and are lower than the height of the upper end surface of the boss 106, the structure is used for preventing the first screw 6 from being soaked in water after water enters, and preventing water from seeping from the threaded hole, an overflow hole 123 is formed in one side of the plate 1, the height of the overflow hole 123 is higher than the height of the first assembly hole 121 and is lower than the height of the upper end surface of the boss 106, pipe joints 124 are respectively installed in the first assembly hole 121 and the second assembly hole 122, a hose 125 is installed between two adjacent plates 1 through the pipe joints 124, the adjacent plate 1 is communicated through the hose 125, the pipe joint 124 at the starting end is butted with the water inlet pipe, a plug 126 is installed at the pipe joint 124 at the tail end, one side of one of the plate members 1 is provided with a water outlet pipe 127, the water outlet pipe 127 is butted with an indoor water using pipeline, and the height of the water outlet pipe 127 is lower than that of the first assembling hole 121; the waterproof board 2 is a light-transmitting board; the light-transmitting mode plate can transmit sunlight, and water in the plate can be heated after the sunlight transmits; the hot water can be obtained without electric heating, and the hot water can meet the requirement of daily household use, thereby being more energy-saving and environment-friendly.
Example 3
Referring to fig. 6 and 7, the top of each waterproof board 2 is provided with a sealing groove 222 near both sides, when two waterproof boards 2 are assembled, a sealing buckle strip 223 is assembled between two adjacent sealing grooves 222, the sealing buckle strip 223 is buckled into the sealing groove 222 and is glued and fixed with the sealing groove 222, a gap is formed between the inner side of the sealing buckle strip 223 and the upper end surface of the waterproof board 2, and a sealing piece 224 made of rubber is assembled at the formed gap; the effect of the above structure is that the sealing between the adjacent waterproof boards can be performed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. An energy-conserving building roofing structure which characterized in that: the waterproof plate is assembled at the upper end of each plate; the plate is internally provided with a cavity, the left side surface and the right side surface of the plate protrude outwards to form a trapezoidal protruding part, arc-shaped grooves are processed at the outer wall of the protruding part, the upper part and the lower part of each arc-shaped groove are provided with two arc-shaped grooves, a through hole is formed in the protruding part and is positioned between the upper arc-shaped groove and the lower arc-shaped groove, a connecting hole is formed in the inner bottom of the plate, a convex column is arranged at the position corresponding to the connecting hole, the convex column is combined with the inner bottom of the plate to form sealing, and a threaded hole corresponding to the connecting hole is processed at the upper end of the convex; the bottom of the plate is provided with embedded grooves close to the left side and the right side, and sealing gaskets are embedded in the embedded grooves; a bolt is assembled between two adjacent plates through the through hole, when the two adjacent plates are combined, a sealing strip is assembled in the combined arc-shaped groove, the bolt is tightened to extrude the sealing strip, so that the sealing strip forms sealing between the two convex parts, after the plates are combined through the bolt, a flow guide groove is formed between the adjacent plates above the convex parts, the flow guide grooves are communicated front and back, a filling groove is formed between the adjacent plates below the convex parts, and a polyurethane foam gap filler is filled in the filling groove; the left side and the right side of the waterproof board are downward and backward formed into side edge parts, the waterproof board covers the plate, the side edge parts act on the two side faces of the plate, screws are screwed into the side edge parts, and the screws abut against the plate after being screwed into the side edge parts; forming a bottom plate made of concrete after self-leveling on the roof, paving heat insulation cotton on the bottom plate, and paving a waterproof layer above the heat insulation cotton; a plurality of connecting pipes with internal threads are poured in the bottom plate, first screws are matched between the threaded holes and the connecting pipes, the first screws downwards penetrate through the waterproof plate and the heat insulation cotton, a first assembly hole and a second assembly hole which are communicated with the cavity are formed in one side of each plate, the first assembly hole and the second assembly hole are equal in height and lower than the upper end face of the convex column, an overflow hole is formed in one side of each plate, the height of the overflow hole is higher than that of the first assembly hole and lower than that of the upper end face of the convex column, pipe joints are respectively assembled in the first assembly hole and the second assembly hole, a hose is assembled between every two adjacent plates through the pipe joints, the adjacent plates are communicated through the hose, a butt joint water inlet pipeline located at the starting end is connected through the hose, and a plug is assembled at the pipe joint located at the tail end, one side of one of the plates is provided with a water outlet pipe, the water outlet pipe is butted with an indoor water using pipeline, and the height of the water outlet pipe is lower than that of the first assembling hole; the waterproof board is a light-transmitting board.
2. The energy saving building roofing structure of claim 1, wherein: the waterproof layer is made of polyvinyl chloride (PVC) waterproof coiled material.
3. The energy saving building roofing structure of claim 1, wherein: the top of waterproof board is close to both sides department and all is provided with the seal groove, works as two during waterproof board aggregate erection, at adjacent two be equipped with the sealing profile between the seal groove, the sealing profile detains extremely in the seal groove, and with beat between the seal groove and glue fixedly, the inboard of sealing profile with form the clearance between the up end of waterproof board, be equipped with the gasket of rubber material in clearance department that forms.
4. A construction method of an energy-saving building roof structure according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
firstly, building a wooden coaming at the periphery of a roof, pouring concrete slurry into the coaming after the coaming is built, forming a bottom plate after the concrete slurry is automatically leveled, drilling a hole in the formed bottom plate, mounting a connecting pipe, gluing and fixing the connecting pipe at the contact position with the bottom plate after the connecting pipe is mounted, then paving heat-insulating cotton above the bottom plate, and covering a waterproof layer above the heat-insulating cotton;
secondly, plates are installed above the waterproof layer one by one, adjacent plates are tightened through bolts, after tightening, a flow guide groove is formed between the adjacent plates through a protruding part, a first screw is screwed between each plate and the corresponding connecting pipe, and after the first screw is screwed in, the space between each plate and the corresponding roof is reinforced; then covering a waterproof plate;
filling the polyurethane foam gap filler into a filling groove formed between the adjacent protruding parts, foaming and expanding after the polyurethane foam gap filler is filled, and sealing the filling groove.
CN202010313096.2A 2020-04-20 2020-04-20 Energy-saving building roof structure and construction method thereof Expired - Fee Related CN111395659B (en)

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CN202010313096.2A CN111395659B (en) 2020-04-20 2020-04-20 Energy-saving building roof structure and construction method thereof

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Application Number Priority Date Filing Date Title
CN202010313096.2A CN111395659B (en) 2020-04-20 2020-04-20 Energy-saving building roof structure and construction method thereof

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CN111395659B true CN111395659B (en) 2021-04-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102392433B1 (en) * 2021-10-15 2022-04-29 이소연 Waterproof panel assembly

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CN2687212Y (en) * 2004-02-17 2005-03-23 胡国强 Water-proof neat-insulated warm-keeping building roofing
CN2749974Y (en) * 2004-11-23 2006-01-04 刘长英 Light thermal-insulation waterproof roofing plate
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CN202131720U (en) * 2011-03-25 2012-02-01 广东工业大学 Novel roofing rainwater collection and heat insulation module capable of loading people
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CN106245860A (en) * 2016-07-27 2016-12-21 灌阳县陈工选矿机械制造有限公司 A kind of building board
CN106545136A (en) * 2015-09-16 2017-03-29 青岛房桥植物刚科技有限公司 A kind of wood moulding wall, shoe plate
CN208618578U (en) * 2018-06-22 2019-03-19 盛奕辉 A kind of building water-proof plate
CN110439191A (en) * 2019-08-09 2019-11-12 广东中光能投资有限公司 A kind of new type roof waterproof construction

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Publication number Priority date Publication date Assignee Title
JP2000001950A (en) * 1998-06-15 2000-01-07 Yukio Tanigawa Roof structure as substitute for roof tile
CN2687212Y (en) * 2004-02-17 2005-03-23 胡国强 Water-proof neat-insulated warm-keeping building roofing
CN2749974Y (en) * 2004-11-23 2006-01-04 刘长英 Light thermal-insulation waterproof roofing plate
CN2818625Y (en) * 2005-07-02 2006-09-20 桓台县长江粮油仓储机械有限公司 Temperature-lowering and thermal-insulative magnesite roof product
CN202131720U (en) * 2011-03-25 2012-02-01 广东工业大学 Novel roofing rainwater collection and heat insulation module capable of loading people
CN204401909U (en) * 2015-01-07 2015-06-17 山东科技大学 A kind of energy-conservation top floor
CN106545136A (en) * 2015-09-16 2017-03-29 青岛房桥植物刚科技有限公司 A kind of wood moulding wall, shoe plate
CN106245860A (en) * 2016-07-27 2016-12-21 灌阳县陈工选矿机械制造有限公司 A kind of building board
CN208618578U (en) * 2018-06-22 2019-03-19 盛奕辉 A kind of building water-proof plate
CN110439191A (en) * 2019-08-09 2019-11-12 广东中光能投资有限公司 A kind of new type roof waterproof construction

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