CN105714993A - Roof sunshade thermal insulation board and roof sunshade thermal insulation structure - Google Patents
Roof sunshade thermal insulation board and roof sunshade thermal insulation structure Download PDFInfo
- Publication number
- CN105714993A CN105714993A CN201610169002.2A CN201610169002A CN105714993A CN 105714993 A CN105714993 A CN 105714993A CN 201610169002 A CN201610169002 A CN 201610169002A CN 105714993 A CN105714993 A CN 105714993A
- Authority
- CN
- China
- Prior art keywords
- roof
- sunshading
- heat
- layer
- thermal insulation
- Prior art date
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1662—Inverted roofs or exteriorly insulated roofs
-
- 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
- E04D13/1681—Insulating of pre-existing roofs with or without ventilating arrangements
-
- 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
Abstract
The invention relates to a roof thermal insulation technology, and aims to provide a roof sunshade thermal insulation board and a roof sunshade thermal insulation structure. The roof sunshade thermal insulation board comprises an aluminum foil layer as a bottom lining, a structure material layer and a reflection coating layer; the aluminum foil layer is adhered to the lower surface of the structure material layer; the reflection coating layer is uniformly adhered to the upper surface of the structure material layer; the reflection coating layer, the structure material layer and the aluminum foil layer form an integral platy thin board with a thickness of 20-40mm. The sunshade thermal insulation board is erected on a roof, can shade solar irradiation of a hot weather, and avoid overheat of the roof. The thermal insulation capacity of the roof is improved, the energy consumption of a top layer room of a building is reduced, and dwelling comfort of the top layer room is improved. Research data shows that the energy saving capacity of the roof is improved by 10-20% compared with the existing overhead board ventilating roof.
Description
Technical field
The present invention relates to roof insulation technology, belong to roof insulation field, fall within building energy saving field.
Background technology
International Energy Agency (IEA) points out in " energy outlook 2013 ", and from 2011 to 2035, global energy requirements was by increase by 1/3rd, and the speed with every year on average 1.2% increases.Save the trend that the energy is world development, be the requirement of China's development low-carbon economy, be also the requirement realizing the sustainable development of socio-economy, a long-range strategy policy especially.Building energy conservation is as one of three big energy-saving field, inseparable with building energy consumption present situation and development trend in the future, current China building energy consumption accounts for the 30% of society's total energy consumption, annual newly-increased construction area is close to 2,000,000,000 square metres simultaneously, according to estimates, to the building energy consumption of the year two thousand twenty account for society total energy consumption ratio will reach about 35%.Building energy conservation has become the important component part that the whole society is energy-conservation, and along with China builds a resource-conserving and environment-friendly society the deepening continuously of work, the importance of building energy conservation and urgency also will show especially day by day.
At China's hot-summer and cold-winter area, summer is abnormal hot, and intensity of solar radiation is big, and particularly in " stove " city that China is famous, summer, extreme temperature reached about 43 DEG C.And traditional roof structure surface temperature can easily reach 75～80 DEG C.Owing to conventional roof heat-proof quality is poor, cause that the heat from roof inlet chamber environment is big.Roofing is as the important component part of architectural exterior-protecting construction component, and the proportion occupied in whole building energy consumption is bigger.The actual consumption on China's multistoried housing construction roof accounts for the 5%～10% of whole building total energy consumption, roofing energy consumption accounts for top room energy consumption and then reaches more than 40%, roofing thermal property is poor will directly influence the comfortableness of top layer habitant, substantially increases the energy consumption of top room air-conditioning simultaneously.Therefore, energy-conservation and skyscraper topmost floor the whole energy improving tier building overall is respectively provided with important meaning by the thermal property improving roofing.At present, the thermal insulation of roof form that domestic and international hot area is common mainly has reflection roofing, water-ponding roof, vegetation roof, ventilation roofing etc..
Wherein, reflection roofing As time goes on, have dust cover, aging, its reflecting properties is gradually lowered.Each roofing has its respective albedo, because the thickness in reflectance and the roughness of material, the situation of reflecting layer underlying surface and reflecting layer is relevant, therefore, As time goes on, the change of the reflectance of each roofing is also inconsistent, this with weather, the gradient of roofing, roofing roughness, the situation of reflection of light layer underlying surface, atmospheric pollution, polluter around and reflection of light layer anti-dirty performance relevant.Research shows that the suitable water-storage depth of water-ponding roof is 50～100mm, because roofing temperature declines inconspicuous with corresponding heat flow value when the depth of water is more than 100mm.Water-ponding roof there is also some problems, and after roofing water-retention, its hull-skin temperature is consistently higher than anhydrous roofing at night, is at this moment difficult with roofing heat radiation, and roofing water-retention adds roofing dead weight and to prevent from leaking, and need to strengthen the waterproof measure of roofing.Planted roof brings higher requirement to equally roof structure load-bearing, and planted roof cost is high simultaneously, can not realize the dry in the sun function of roofing in rural area, and therefore the application in the multi-storey building of rural area is very limited at present.For ventilation roofing, China is currently mainly based on flat roof ventilation roofing, and flat housetop built on stilts for nothing plank house face has been applied for many years in China.In hot summer, few by the heat in pedestal-supported-panel roof inlet chamber, the heat effect that outdoor is strong is had decay and delay ability preferably, internal surface temperature is low, is a kind of roof structure form with good heat-proof quality.But, owing to, in practical application, cornice or parapet have blocked ventilating layer, and actual ventilation effect is bad, and heat-proof quality is poor.In summary, current roof insulation method also exists cost height or construction complexity, or effect of heat insulation is bad, or durability is not enough, or the problem such as inapplicable, therefore, a kind of novel roof insulation method seems extremely important, also has good application prospect simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the deficiency of existing Roofing slab ventilation roofing heat-insulating capability at low wind speeds, it is provided that the sunshading thermal insulation board of a kind of interior patch aluminium foil, this sunshading thermal insulation board still has good effect of heat insulation at low wind speeds.
For solving technical problem, the solution of the present invention is:
A kind of roof sunshading heat isolating board is provided, including the aluminium foil layer as end liner, also includes structural material and reflective coating layer；Described aluminium foil layer adheres to the lower surface of structural material, and described reflective coating layer is the bonding upper surface being covered in structural material uniformly；Reflective coating layer, structural material and aluminium foil layer collectively form the block thin plate of integration, and its thickness is 20mm～40mm.
In the present invention, the thickness of described aluminium foil layer is not less than 0.02mm and heat emissivity ε≤0.3.
In the present invention, described structural material is any one (should have good durability and intensity) in concrete layer, stone material layer, sandwich steel flaggy or resin composite materials layer.
Reflective coating layer can adopt the reflective coating being commercially available for building field spraying to form, and can select according to practical situation.
In the present invention, the size of the length of described sunshading heat isolating board, width and thickness be following any one: 500mm × 500mm × 20mm, 1000mm × 500mm × 30mm, 600mm × 600mm × 30mm, or 1200mm × 600mm × 40mm (sunshading and heat-insulating board size can be had made to order according to actual needs) etc..
Invention further provides the roof sunshading and heat-insulating structure utilizing aforementioned roof sunshading heat isolating board, including building roof；Spaced surface at building roof arranges multiple pier and in arranging in length and breadth, and some pieces of sunshading heat isolating boards are arranged on pier and splice successively.
Present invention also offers a kind of roof sunshading and heat-insulating structure, including building roof；Being arrange multiple pier and in arranging in length and breadth at the spaced surface of building roof, be provided with many and set a roof beam in place between different piers, some pieces of roof sunshading heat isolating boards are held on sets a roof beam in place upper and splices successively.(optional angle steel of setting a roof beam in place)
In the present invention, described pier is autoclave aerated concrete building block.
In the present invention, described building roof is cast-in-situ reinforced concrete slab roof or precast slab roof (this roofing should have been provided with waterproof ability, and roof protecting layer thickness meets the requirement of accessible roof).
Compared with existing Roofing slab ventilation roofing and ordinary reinforced concrete plank house face, the invention has the beneficial effects as follows:
Solar radiation by sunshading heat isolating board is erected on roofing, under energy sunshade sweltering heat weather, it is to avoid roof floor slab is overheated.The heat-insulating capability on roof can be improved, reduce the energy consumption in architectural top room, improve the comfortableness that top room is lived.Data shows, compared with existing Roofing slab ventilation roofing, it is possible to improve the energy saving capability 10%～20% on roof.
Accompanying drawing explanation
Fig. 1 is roof sunshading heat isolating board structural representation.
Fig. 2 is roof sunshading heat isolating board pier-bench-type Structural application example schematic.
Fig. 3 is roof sunshading heat isolating board pier-beam type Structural application example schematic.
In figure, accompanying drawing is labeled as: 1 aluminium foil layer；2 structural material；3 reflective coating layers；4 roof sunshading heat isolating boards；5 piers；6 roof sunshading heat isolating boards；7 piers；8 set a roof beam in place.
Detailed description of the invention
It is an object of the invention to, improve the heat-proof quality on roof, hot area.Only need to this sunshading thermal insulation board be erected on roofing during enforcement, both may be used for new building, it is also possible to be used for transforming existing building roofing.
Case study on implementation
Certain needs the building roof transformed to be cast-in-situ reinforced concrete slab roof, has been ready for waterproof, and roof protecting layer thickness is 40mm.
Now illustrate its embodiment with structural form two kinds different:
(1) pier-bench-type structure (as shown in Figure 2)
Roof sunshading and heat-insulating board size is elected as: 500mm (length) × 500mm (width) × 20mm (thickness) (being shown as A, B, d in Fig. 1), reflective coating layer 3 selects white reflective coating, structural material 2 selects precast slab, aluminium foil layer 1 thickness elects 0.03mm as, and heat emissivity ε is 0.2.Reflective coating layer 3, structural material 2 and aluminium foil layer 1 collectively form the block thin plate of integration.
Arrange pier after being cleaned up by roofing, arrange pier 5 (can be selected for autoclave aerated concrete building block), the high 20cm of pier 5 with suitable spacing.Then by roof sunshading heat isolating board 4 one pieces then one piece be placed on pier and splice successively.
(2) pier-beam type structure (as shown in Figure 3)
Roof sunshading and heat-insulating board size is elected as: 1000mm (length) × 500mm (width) × 30mm (thickness), reflective coating layer 3 selects white reflective coating, structural material 2 selects precast slab, and aluminium foil layer 1 thickness elects 0.03mm as, and heat emissivity ε is 0.2.Reflective coating layer 3, structural material 2 and aluminium foil layer 1 collectively form the block thin plate of integration.
Pier is arranged after being cleaned up by roofing, pier 7 (can be selected for autoclave aerated concrete building block) is arranged and in arranging in length and breadth with suitable spacing, between different piers 7, it is provided with many sets a roof beam in place 8, then roof sunshading heat isolating board 6 is held on 8 (optional angle steel) of setting a roof beam in place and above and splices successively.
(3) pier-beam type structure (as shown in Figure 3)
Roof sunshading and heat-insulating board size is elected as: 1200mm (length) × 600mm (width) × 40mm (thickness), reflective coating layer 3 selects white reflective coating, structural material 2 selects precast slab, and aluminium foil layer 1 thickness elects 0.03mm as, and heat emissivity ε is 0.2.Reflective coating layer 3, structural material 2 and aluminium foil layer 1 collectively form the block thin plate of integration.
Pier is arranged after being cleaned up by roofing, pier 7 (can be selected for autoclave aerated concrete building block) is arranged and in arranging in length and breadth with suitable spacing, between different piers 7, it is provided with many sets a roof beam in place 8, then roof sunshading heat isolating board 6 is held on 8 (optional angle steel) of setting a roof beam in place and above and splices successively.
It is clear that the invention is not restricted to above example is sub, it is also possible to there are many deformation.All deformation that those of ordinary skill in the art can directly derive from present disclosure or associate, are all considered as protection scope of the present invention.
Claims (8)
1. a roof sunshading heat isolating board, including the aluminium foil layer as end liner, it is characterised in that also include structural material and reflective coating layer；Described aluminium foil layer adheres to the lower surface of structural material, and described reflective coating layer is the bonding upper surface being covered in structural material uniformly；Reflective coating layer, structural material and aluminium foil layer collectively form the block thin plate of integration, and its thickness is 20mm～40mm.
2. roof according to claim 1 sunshading heat isolating board, it is characterised in that the thickness of described aluminium foil layer is not less than 0.02mm and heat emissivity ε≤0.3.
3. roof according to claim 1 sunshading heat isolating board, it is characterised in that described structural material is any one in concrete layer, stone material layer, sandwich steel flaggy or resin composite materials layer.
4. roof according to claim 1 sunshading heat isolating board, it is characterized in that, the size of the length of described sunshading heat isolating board, width and thickness be following any one: 500mm × 500mm × 20mm, 1000mm × 500mm × 30mm, 600mm × 600mm × 30mm, or 1200mm × 600mm × 40mm.
5. utilize the roof sunshading and heat-insulating structure on roof sunshading heat isolating board described in claim 1, including building roof；It is characterized in that, the spaced surface at building roof arranges multiple pier and in arranging in length and breadth, and some pieces of roof sunshading heat isolating boards are arranged on pier and splice successively.
6. utilize the roof sunshading and heat-insulating structure on roof sunshading heat isolating board described in claim 1, including building roof；It is characterized in that, the spaced surface at building roof arranges multiple pier and in arranging in length and breadth, is provided with many and sets a roof beam in place between different piers, and some pieces of roof sunshading heat isolating boards are held on sets a roof beam in place upper and splices successively.
7. the roof sunshading and heat-insulating structure according to claim 5 or 6, it is characterised in that described pier is autoclave aerated concrete building block.
8. the roof sunshading and heat-insulating structure according to claim 5 or 6, it is characterised in that described building roof is cast-in-situ reinforced concrete slab roof or precast slab roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169002.2A CN105714993A (en) | 2016-03-23 | 2016-03-23 | Roof sunshade thermal insulation board and roof sunshade thermal insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169002.2A CN105714993A (en) | 2016-03-23 | 2016-03-23 | Roof sunshade thermal insulation board and roof sunshade thermal insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105714993A true CN105714993A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610169002.2A Pending CN105714993A (en) | 2016-03-23 | 2016-03-23 | Roof sunshade thermal insulation board and roof sunshade thermal insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105714993A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083335A (en) * | 2018-07-09 | 2018-12-25 | 康博达节能科技有限公司 | A kind of energy conservation and environmental protection heat-insulated roof structure and construction method |
| CN109442636A (en) * | 2018-11-02 | 2019-03-08 | 湖南华振供水设备有限公司 | The energy saving and environment friendly outdoor pump house cool-down method of one kind and device |
| CN110036160A (en) * | 2016-07-06 | 2019-07-19 | 洛科威国际有限公司 | The method and its thermal insulation board that a kind of pair of building surface is thermally shielded |
| CN113550507A (en) * | 2021-07-09 | 2021-10-26 | 南京坤佳防水防腐保温工程有限公司 | Roof waterproof structure and construction method thereof |
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| DE2922652A1 (en) * | 1979-06-02 | 1980-12-11 | Stiebel Eltron Gmbh & Co Kg | Roofing system with channels in absorption plates - has gap between two roofing foils under absorption plates, with bottom opening at roof edge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110036160A (en) * | 2016-07-06 | 2019-07-19 | 洛科威国际有限公司 | The method and its thermal insulation board that a kind of pair of building surface is thermally shielded |
| CN109083335A (en) * | 2018-07-09 | 2018-12-25 | 康博达节能科技有限公司 | A kind of energy conservation and environmental protection heat-insulated roof structure and construction method |
| CN109442636A (en) * | 2018-11-02 | 2019-03-08 | 湖南华振供水设备有限公司 | The energy saving and environment friendly outdoor pump house cool-down method of one kind and device |
| CN113550507A (en) * | 2021-07-09 | 2021-10-26 | 南京坤佳防水防腐保温工程有限公司 | Roof waterproof structure and construction method thereof |
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| PB01 | Publication | ||
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Application publication date: 20160629 |