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CN105863180A - Novel roof fireproof isolation belt and construction method thereof - Google Patents

Novel roof fireproof isolation belt and construction method thereof Download PDF

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Publication number
CN105863180A
CN105863180A CN201610413935.1A CN201610413935A CN105863180A CN 105863180 A CN105863180 A CN 105863180A CN 201610413935 A CN201610413935 A CN 201610413935A CN 105863180 A CN105863180 A CN 105863180A
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CN
China
Prior art keywords
layer
building
heat
exterior wall
cast concrete
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.)
Pending
Application number
CN201610413935.1A
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Chinese (zh)
Inventor
石立国
吴殿昌
李冉
郭宇航
彭小飞
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China Construction Second Engineering Bureau Co Ltd
Original Assignee
China Construction Second Engineering Bureau Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Second Engineering Bureau Co Ltd filed Critical China Construction Second Engineering Bureau Co Ltd
Priority to CN201610413935.1A priority Critical patent/CN105863180A/en
Publication of CN105863180A publication Critical patent/CN105863180A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16Insulating 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16Insulating 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
    • E04D13/1687Insulating 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 the insulating material having provisions for roof drainage
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)

Abstract

The invention provides a novel roof fireproof isolation belt, which comprises a cement foaming layer arranged on the outer side of an outer wall of a building; the cement foaming layer is arranged on the outer side of the outer wall of the floor slab corresponding to the top floor slab; the cement foaming layer is arranged along the circumferential direction of the building in an annular band shape. The novel roof fireproof isolation belt disclosed by the invention can achieve the roof fireproof isolation effect and simultaneously avoid the defects of poor durability and poor anti-seepage performance of inorganic heat-insulating mortar and rock wool boards, the prefabricated cement foam board is convenient to manufacture, simple in process, flexible in size adjustment and strong in practicability, the finished novel roof fireproof isolation belt is smooth in line, excellent in anti-seepage performance, heat preservation, fire prevention and the like, firm in bonding and attractive in vision.

Description

A kind of new type roof fire-blocking belt and construction method thereof
Technical field
The present invention relates to skin fire-blocking belt technical field, especially relate to one and be applicable to building daughter The new type roof fire-blocking belt of the exterior wall junction of wall and building and construction method thereof.
Background technology
Skin fire-blocking belt refers to, for stoping fire large area to prolong burning, play protection life and make with property function Insulating space and related facility.
Skin fire-blocking belt is arranged in flammable class insulation material external thermal insulation system, by horizontal direction, The external wall external thermal insulation using the insulation seam that do not burns to stop fire upper along exterior wall or to spread in external thermal insulation system is prevented Fire structure engineering.
Roofing fire-blocking belt way is various at present, and different according to fire proofing material, main method is: one is inorganic heat preservation sand Slurry, the thermal insulation mortar that i.e. root 300mm scope uses fire-protection rating to be A level outside parapet of roofing processes.Inorganic heat preservation sand Slurry mainly includes kervit microbead insulated sand slurry and swelling perlite heat-insulating mortar, and the two difference is: the material of expanded perlite Particle is big, opening, and water absorption rate is high, and thermal conductivity factor is more than glass bead, and thermal conductivity factor is irreversible after absorbing water;Vitreous Bead particles is little, remains silent, and does not absorbs water.
Inorganic heat insulation mortar is a kind of novel heat-preserving energy-saving mortar material painted for building inner-outer wall, according to gelling The difference of material is divided into cement base inorganic thermal insulation mortar and gypsum base inorganic heat insulation mortar.Green rhythm energy-saving inorganic thermal insulation mortar has The feature such as excellent properties that energy-conserving profit waste, insulation, fire prevention are antifreeze, ageing-resistant and cheap price, has city widely Field demand.
But prove according to a large amount of engineering practices, thermal insulation mortar bad adaptability in extreme circumstances, big at day and night temperature or The area that Seasonal Temperature Difference is big, the durability deficiency problem of inorganic heat insulation mortar is particularly evident.
Two is rock cotton board, and rock cotton board is with basalt as main raw material(s), through the inorfil that high-temperature fusion processes Plate.Rock cotton board is also known as rock wool heat-preservation decorative panel.
The insulation of rock cotton board, fire line are splendid, but intensity is low and the feature of hollow is unsuitable on exterior wall, and if outer There is small destruction in wall rock cotton board somewhere, oozes in causing rainwater, it is difficult to evaporation, accumulates over a long period, and while deadweight increases, causes room Inner wall surface rain penetration, affects the normal use of user.
Summary of the invention
It is an object of the invention to provide and a kind of be applicable to the novel of building parapet and the exterior wall junction of building Roofing fire-blocking belt, with the durability deficiency solved existing for existing skin fire-blocking belt and easily seeps water Etc. technical problem.
For solving above-mentioned technical problem, a kind of new type roof fire-blocking belt that the present invention provides, it includes being arranged on builds Build the cement foamed layer outside beyond the region of objective existence wall;
Described cement foamed layer is arranged on outside the floor exterior wall corresponding to top floor;
Described cement foamed layer is circumferentially disposed along building of ring-band shape.
Further, the unit weight of described cement foamed layer is 250Kg/m3, thermal conductivity factor≤0.070W/m k;Fire resistance rating For A level.
Further, in the height direction, the lower edge of described cement foamed layer is less than the bottom surface of top floor.
Further, in the height direction, the upper edge of described cement foamed layer is higher than the upper end roofing of building.
Further, in the height direction, the cement foamed floor of ring-band shape is arranged on outside parapet exterior wall and building building Between wall.
Further, parapet exterior wall is outside equipped with non-heat-insulation layer, and building building exterior wall is outside equipped with heat-insulation layer, at height On direction, the described cement foamed layer of ring-band shape is arranged between described non-heat-insulation layer and described heat-insulation layer.
Further, it is provided with antiseepage in the gap between described cement foamed layer and described non-heat-insulation layer and described heat-insulation layer Structure, described leakage preventing structure includes from the bottom crack-resistant layer that exterior wall is the most outwards arranged, the embedding ointment of foam rods and silicone seal Glue;It is embedded with steel wire in the crack-resistant layer of bottom;Bottom crack-resistant layer is made up of anticracking grout.
Further, in a thickness direction, described heat-insulation layer is smoothly transitted into described non-by described roofing fire-blocking belt On heat-insulation layer.
The roofing fire-blocking belt of ring-band shape can be played with non-heat-insulation layer intersection at heat-insulation layer and good is connected effect, and Linking nature, lines smoothness is attractive in appearance, has preferable practicality.
Further, it is provided with tack coat between described cement foamed layer and skin.
Further, described tack coat is adhesive mortar.
Further, described cement foamed layer is spliced by pre-cast concrete foamed board.
The pre-cast concrete foamed board of finished product, compared with rock cotton board of the prior art and inorganic heat insulation mortar, has following Advantage:
First, in terms of durability and impermeability, it is superior to rock cotton board and inorganic heat insulation mortar, and easy to make, can spirit Live and adjust size.
Secondly, pre-cast concrete foamed board disclosed in this invention is applicable to various exterior-wall heat insulation or non-heat insulation system, and Lattice between various exterior wall difference facings.The feature of this pre-cast concrete foamed board is that material is hard, easy to make, size adjusting Flexibly, lines are submissive, not ponding, and insulation, fire protecting performance are good, are firmly bonded, visual appearance, practical.
Further, being provided with fixing bolt between described pre-cast concrete foamed board and skin, pre-cast concrete foams Plate is bolted on skin by fixing.
Further, it is filled with sealing cement in the gap between adjacent described pre-cast concrete foamed board.
Further, it is coated with anticracking grout layer outside described cement foamed layer.
Further, described anticracking grout layer includes the first anticracking grout layer and the second anticracking grout layer.
Further, it is embedded with grid cloth in described first anticracking grout layer.
Further, described grid cloth is alkali resistant glass fibre open weave cloth.
Further, the thickness of described first anticracking grout layer is 4-8mm.
Further, described anticracking grout layer outer side covers has external wall waterproof putty layer.
Further, described external wall waterproof putty layer outer side covers has architectural surface.
Further, described architectural surface is exterior wall paint.
Further, the thickness of described pre-cast concrete foamed board is 20-100mm, a length of 400-700mm, and width is 200- 400mm。
Further, the thickness of described pre-cast concrete foamed board is 20-100mm, a length of 600mm, and width is 300mm.
It addition, the invention also discloses the construction method of above-mentioned new type roof fire-blocking belt, the method concrete steps are such as Under:
Step one: install bottom outlet at the outer sidetracking expansion bolt of the floor exterior wall corresponding to building top floor;
Step 2: smear adhesive mortar outside the floor exterior wall corresponding to building top floor;
Step 3: pre-cast concrete foamed board is pasted onto outside the floor exterior wall corresponding to building top floor, and profit Fix with bolt;
Step 4: utilize sealing cement to fill the seam between pre-cast concrete foamed board;
Step 5: parapet exterior wall is outside equipped with non-heat-insulation layer, building building exterior wall is outside equipped with heat-insulation layer, at cement In gap between foaming layer and non-heat-insulation layer and heat-insulation layer, leakage preventing structure is set;
Step 6: smear anticracking grout on described pre-cast concrete foamed board lateral surface, is pressed into alkaline-resisting glass in anticracking grout Fine grid cloth.
Further, before step one, clear up outside the floor exterior wall corresponding to building top floor, and will Exterior wall polishes flat, to ensure that described pre-cast concrete foamed board fits tightly with wall face.
Further, after clearing up outside the floor exterior wall corresponding to building top floor, snap the line determines described pre- The installation site of cement foam board processed.
Further, described anticracking grout layer includes the first anticracking grout layer and the second anticracking grout layer;Described first cracking resistance Described alkali resistant glass fibre open weave cloth it is embedded with in screed.
Further, the thickness of described first anticracking grout layer is 4-8mm.
Further, external wall waterproof putty layer is smeared outside described anticracking grout layer.
Further, architectural surface is smeared outside described external wall waterproof putty layer.
Further, described architectural surface is exterior wall paint.
Further, before large area installation, described pre-cast concrete foamed board can be carried out dead load experiment, i.e. profit With bolt and adhesive mortar by experiment pre-cast concrete foamed board outside the building wall, the weight of 5-10 kilogram is hung on reality Test with on pre-cast concrete foamed board, stand 5-9 days, if loosening or dropping do not occur in pre-cast concrete foamed board, then meet big face Long-pending installation requirement.
During concrete operations, should be noted that following some:
(1) wall face base cleaning is clean, polish flat, it is ensured that sheet material and metope are fitted consolidation;
(2) material requirements of pre-cast concrete foamed board, manufactured size all should meet operational procedure, acceptance specification and profile Requirement attractive in appearance.Sheet material seam crossing uses sealing cement filleting, and filleting is full, uniform, prevents seepage;
(3) use bolt to fix due to pre-cast concrete foamed board, and sheet material self unit weight is relatively big (250KG/m3), to installation Quality has higher requirement, and before large area installation, reply pre-cast concrete foamed board carries out dead load experiment;
(4) level, straight is answered in the setting of roofing fire-blocking belt, and construction should use level meter control level snap the line;Meet Corner or when having radian, shortens pre-cast concrete foamed board physical dimension.
Use technique scheme, there is advantages that
A kind of new type roof fire-blocking belt disclosed by the invention, can keep away again while reaching roofing fire prevention isolation effect Exempt from the defect such as the durability existing for inorganic heat insulation mortar and rock cotton board and leakage performance difference, pre-cast concrete foamed board making side Just, technique is simple, and size adjusting is flexible, and practical, the new type roof fire-blocking belt lines after completion are submissive, leakproof Can, be incubated, the function admirable such as fire prevention, be firmly bonded, visual appearance simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art below will be to specifically In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of new type roof fire-blocking belt that Fig. 1 provides for the embodiment of the present invention 1;
Fig. 2 is zoomed-in view at the A in Fig. 1;
Fig. 3 is the front view that in the embodiment of the present invention 1, pre-cast concrete foamed board is installed;
Fig. 4 is the structural representation of leakage preventing structure in the embodiment of the present invention 1;
Reference:
1-top floor;2-upper end roofing;3-parapet exterior wall;
The non-heat-insulation layer of 3a-;4-floor exterior wall;5-building exterior wall;
5a-heat-insulation layer;The cement foamed layer of 11-;12-tack coat;
10-roofing fire-blocking belt;10a-pre-cast concrete foamed board;
13-bolt;14-sealing cement;15-anticracking grout layer;
15a-the first anticracking grout layer;15b-the second anticracking grout layer;
16-external wall waterproof putty layer;17-architectural surface;18-leakage preventing structure;
Crack-resistant layer bottom 18a-;The embedding ointment of 18b-foam rods;18c silicone sealant.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ", Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected;Can To be mechanical connection, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition Concrete meaning in invention.
Embodiment 1
The structural representation of a kind of new type roof fire-blocking belt that Fig. 1 provides for the embodiment of the present invention 1;Fig. 2 is in Fig. 1 A at zoomed-in view;Fig. 3 is the front view that in the embodiment of the present invention, pre-cast concrete foamed board is installed.
As shown in Figure 1-2, a kind of new type roof fire-blocking belt 10 that the present embodiment provides, it includes being arranged on building Cement foamed layer 11 outside exterior wall;
Cement foamed layer 11 is arranged on outside the floor exterior wall 4 corresponding to top floor 1;
Cement foamed layer 11 is circumferentially disposed along building in ring-band shape.
The unit weight of cement foamed layer 11 is 250Kg/m3, thermal conductivity factor≤0.070W/m k;Fire resistance rating is A level.
In the height direction, the lower edge of cement foamed layer 11 is less than the bottom surface of top floor 1.Cement foamed layer 11 upper Edge is higher than the upper end roofing 2 of building.I.e., in the height direction, the cement foamed layer 11 of ring-band shape is arranged on outside parapet Between wall 3 and building building exterior wall 5.
Parapet exterior wall 3 is outside equipped with non-heat-insulation layer 3a, and building building exterior wall 5 is outside equipped with heat-insulation layer 5a, at height On direction, the cement foamed layer 11 of ring-band shape is arranged between non-heat-insulation layer 3a and heat-insulation layer 5a.
And in a thickness direction, heat-insulation layer 5a is smoothly transitted into non-heat-insulation layer by the roofing fire-blocking belt 10 of ring-band shape On 3a.
The roofing fire-blocking belt of ring-band shape can be played with non-heat-insulation layer intersection at heat-insulation layer and good is connected effect, and Linking nature, lines smoothness is attractive in appearance, has preferable practicality.
It is provided with tack coat 12 between cement foamed layer 11 and floor exterior wall 4.Wherein, tack coat 12 is preferably binding sand Slurry.
As it is shown on figure 3, cement foamed layer 11 is spliced by pre-cast concrete foamed board 10a.
Being provided with fixing bolt 13 between pre-cast concrete foamed board 10a and floor exterior wall 4, pre-cast concrete foamed board is by solid Determine bolt 13 to be fixed on skin.
It is filled with sealing cement 14 in gap between adjacent described pre-cast concrete foamed board, prevents rainwater from oozing from seam crossing Enter.
It is coated with anticracking grout layer 15 outside cement foamed layer 11.
Anticracking grout layer 15 includes the first anticracking grout layer 15a and the second anticracking grout layer 15b.
The thickness of the first anticracking grout layer 15a is 6mm, is embedded with grid cloth (not shown) in the first anticracking grout layer 15a, Prevent anticracking grout layer from ftractureing, thus further increase the performance of fire-blocking belt 10.First anticracking grout layer 15a is arranged on Outside cement foamed layer 11, and the second anticracking grout layer 15b is arranged on outside the first anticracking grout layer 15a.
Wherein, grid cloth is preferably by alkali resistant glass fibre open weave cloth.
External wall waterproof putty layer 16 is had in anticracking grout layer 15 outer side covers.
External wall waterproof putty layer 16 outer side covers has architectural surface 17, and conventional architectural surface 17 is exterior wall paint.
In the present embodiment, the thickness of pre-cast concrete foamed board 10a is 20-100mm, a length of 600mm, and width is 300mm。
The pre-cast concrete foamed board 10a of finished product, compared with rock cotton board of the prior art and inorganic heat insulation mortar, has Advantages below:
First, in terms of durability and impermeability, it is superior to rock cotton board and inorganic heat insulation mortar, and easy to make, can spirit Live and adjust size.
Secondly, pre-cast concrete foamed board disclosed in this invention is applicable to various exterior-wall heat insulation or non-heat insulation system, and Lattice between various exterior wall difference facings.The feature of this pre-cast concrete foamed board is that material is hard, easy to make, size adjusting Flexibly, lines are submissive, not ponding, and insulation, fire protecting performance are good, are firmly bonded, visual appearance, practical.
Embodiment 2
Present embodiments providing the construction method of a kind of above-mentioned new type roof fire-blocking belt, the method concrete steps are such as Under:
Step one: clear up outside the floor exterior wall corresponding to building top floor, and exterior wall is polished flat, To ensure that described pre-cast concrete foamed board fits tightly with wall face;Outside the floor exterior wall corresponding to building top floor After clearing up, snap the line determines the installation site of described pre-cast concrete foamed board;
Step 2: install bottom outlet at the outer sidetracking expansion bolt of the floor exterior wall corresponding to building top floor;
Step 2: smear adhesive mortar outside the floor exterior wall corresponding to building top floor;
Step 3: pre-cast concrete foamed board is pasted onto outside the floor exterior wall corresponding to building top floor, and profit Fix with bolt;
Step 4: utilize sealing cement to fill the seam between pre-cast concrete foamed board;
Step 5: parapet exterior wall is outside equipped with non-heat-insulation layer, building building exterior wall is outside equipped with heat-insulation layer, at cement Leakage preventing structure 18 is set in the gap between foaming layer and non-heat-insulation layer and heat-insulation layer;
As shown in Figure 4, leakage preventing structure 18 includes from the bottom crack-resistant layer 18a that exterior wall is the most outwards arranged, the embedding oil of foam rods Cream 18b and silicone sealant 18c;It is embedded with steel wire in the crack-resistant layer 18a of bottom;Bottom crack-resistant layer is made up of anticracking grout.
Step 6: smear anticracking grout on described pre-cast concrete foamed board lateral surface, is pressed into alkaline-resisting glass in anticracking grout Fine grid cloth.
Wherein, anticracking grout layer includes the first anticracking grout layer and the second anticracking grout layer;Bury in first anticracking grout layer It is provided with alkali resistant glass fibre open weave cloth.The thickness of the first anticracking grout layer is 6mm.
External wall waterproof putty layer is smeared outside anticracking grout layer.Exterior wall paint is smeared outside external wall waterproof putty layer.
It addition, before large area installation, described pre-cast concrete foamed board can be carried out dead load experiment, i.e. utilize The weight of 5-10 kilogram with on pre-cast concrete foamed board outside the building wall, is hung on experiment by experiment by bolt and adhesive mortar With on pre-cast concrete foamed board, stand 5-9 days, if loosening or dropping do not occur in pre-cast concrete foamed board, then meet large area Installation requirement.
A kind of new type roof fire-blocking belt disclosed by the invention, can keep away again while reaching roofing fire prevention isolation effect Exempt from the durability existing for inorganic heat insulation mortar and rock cotton board and the defect of leakage performance difference, pre-cast concrete foamed board making side Just, technique is simple, and size adjusting is flexible, and practical, the new type roof fire-blocking belt lines after completion are submissive, leakproof Can, be incubated, the function admirable such as fire prevention, be firmly bonded, visual appearance simultaneously.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;To the greatest extent The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered Row equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.

Claims (10)

1. a new type roof fire-blocking belt, it is characterised in that it is cement foamed that it includes being arranged on outside skin Layer;
Described cement foamed layer is arranged on outside the floor exterior wall corresponding to top floor;
Described cement foamed layer is circumferentially disposed along building of ring-band shape;
In the height direction, the lower edge of described cement foamed layer is less than the bottom surface of top floor;
The upper edge of described cement foamed layer is higher than the upper end roofing of building.
New type roof fire-blocking belt the most according to claim 1, it is characterised in that the unit weight of described cement foamed layer is 250Kg/m3, thermal conductivity factor≤0.070W/m k;Fire resistance rating is A level.
New type roof fire-blocking belt the most according to claim 1, it is characterised in that parapet exterior wall is outside equipped with non-guarantor Temperature layer, building building exterior wall is outside equipped with heat-insulation layer, and in the height direction, the described cement foamed layer of ring-band shape is arranged on institute State between non-heat-insulation layer and described heat-insulation layer.
New type roof fire-blocking belt the most according to claim 3, it is characterised in that in a thickness direction, described insulation Layer is smoothly transitted on described non-heat-insulation layer by described roofing fire-blocking belt.
New type roof fire-blocking belt the most according to claim 1, it is characterised in that described cement foamed layer and building Tack coat it is provided with between exterior wall.
New type roof fire-blocking belt the most according to claim 1, it is characterised in that described cement foamed layer is by prefabricated water Mud foamed board is spliced;Being provided with fixing bolt between described pre-cast concrete foamed board and skin, pre-cast concrete is sent out Bubble plate is bolted on skin by fixing.
New type roof fire-blocking belt the most according to claim 3, it is characterised in that described cement foamed layer is non-with described Being provided with leakage preventing structure in gap between heat-insulation layer and described heat-insulation layer, described leakage preventing structure includes from exterior wall successively to peripheral hardware Bottom crack-resistant layer, the embedding ointment of foam rods and the silicone sealant put;It is embedded with steel wire in the crack-resistant layer of bottom;Bottom crack-resistant layer It is made up of anticracking grout.
New type roof fire-blocking belt the most according to claim 1, it is characterised in that be coated with outside described cement foamed layer Anticracking grout layer;Described anticracking grout layer includes the first anticracking grout layer and the second anticracking grout layer;Described first anticracking grout Grid cloth it is embedded with in Ceng;Described anticracking grout layer outer side covers has external wall waterproof putty layer;Outside described external wall waterproof putty layer Side is coated with architectural surface.
9. according to the construction method of the arbitrary described new type roof fire-blocking belt of claim 1-8, it is characterised in that the method has Body step is as follows:
Step one: install bottom outlet at the outer sidetracking expansion bolt of the floor exterior wall corresponding to building top floor;
Step 2: smear adhesive mortar outside the floor exterior wall corresponding to building top floor;
Step 3: pre-cast concrete foamed board is pasted onto outside the floor exterior wall corresponding to building top floor, and utilizes spiral shell Bolt is fixed;
Step 4: utilize sealing cement to fill the seam between pre-cast concrete foamed board;
Step 5: parapet exterior wall is outside equipped with non-heat-insulation layer, and building building exterior wall is outside equipped with heat-insulation layer, cement foamed In gap between layer and non-heat-insulation layer and heat-insulation layer, leakage preventing structure is set;
Step 6: smear anticracking grout on described pre-cast concrete foamed board lateral surface, press-in alkali-resistant glass fiber mesh in anticracking grout Ge Bu.
The construction method of new type roof fire-blocking belt the most according to claim 9, it is characterised in that install in large area Before construction, described pre-cast concrete foamed board can be carried out dead load experiment, i.e. utilize bolt and adhesive mortar by experiment with pre- On cement foam board processed outside the building wall, the weight of 5-10 kilogram is hung on experiment pre-cast concrete foamed board, stand 5-9 days, if loosening or dropping do not occur in pre-cast concrete foamed board, then meet large area installation requirement.
CN201610413935.1A 2016-06-13 2016-06-13 Novel roof fireproof isolation belt and construction method thereof Pending CN105863180A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112282222A (en) * 2020-09-24 2021-01-29 上海建工集团股份有限公司 Heat-insulating roof structure and construction method thereof
CN115467474A (en) * 2022-10-08 2022-12-13 中建八局第二建设有限公司 Roof plinth waterproof and heat-insulating method under super-thick heat-insulating system

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Application publication date: 20160817