CN204252414U - Roof covering water-proof structure - Google Patents

Roof covering water-proof structure Download PDF

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Publication number
CN204252414U
CN204252414U CN201420436486.9U CN201420436486U CN204252414U CN 204252414 U CN204252414 U CN 204252414U CN 201420436486 U CN201420436486 U CN 201420436486U CN 204252414 U CN204252414 U CN 204252414U
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Prior art keywords
layer
proof structure
roof covering
covering water
sloping
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CN201420436486.9U
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杨帆
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Dangdai Energy-Saving House Purchasing Co Ltd
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Dangdai Energy-Saving House Purchasing Co Ltd
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Abstract

The utility model relates to a kind of roof covering water-proof structure.Roof covering water-proof structure comprises: rigidity antiseepage sloping layer, is arranged on the top of roofing; At least one deck flexible waterproof material layer, is arranged on the top of rigidity antiseepage sloping layer; Overcoat, is arranged on the top of flexible waterproof material layer.The utility model make use of the feature of the life-span length of rigidity sloping layer, after flexible waterproof layer lost efficacy, still the density of rigid waterproof layer self can be relied on to reach the waterproof object of building, and its life-span can reach many decades, has long service life, feature that waterproof impervious characteristic is good.

Description

Roof covering water-proof structure
Technical field
The utility model relates to building field, particularly relates to a kind of roof covering water-proof structure.
Background technology
In prior art, when keeping in repair old roof, need to remove roofing place where troops were originally stationed water layer and above tectonic remnant basin, again waterproofing work is done, its form adopting light concrete and flexible composite more, its waterproof matrix does not generally meet seepage resistance demand, has life-span short, the insecure problem of water resistance.In addition, the drainage effect of the sensibilities waterproof construction formed when keeping in repair in prior art is poor, easily causes roof ponding, thus increases roof leakage hidden danger; Going out roof structure is secondary structure, and seam areas easily seepage occurs; In addition, when after roof leakage, in insulation layer, a large amount of water inlet, affects heat insulation effect, building energy consumption is strengthened.
Utility model content
The purpose of this utility model is to provide a kind of long service life, roof covering water-proof structure that waterproof impervious characteristic is good.
For solving the problems of the technologies described above, roof covering water-proof structure of the present utility model comprises: rigidity sloping layer, is arranged on the top of roofing; At least one deck flexible waterproof material layer, is arranged on the top of rigidity sloping layer; Overcoat, is arranged on the top of flexible waterproof material layer.
Further, rigidity sloping layer has the predetermined gradient to form sloping layer; And/or rigidity sloping layer is made up of water-tight concrete; And/or flexible waterproof material layer is modified asphalt waterproof coiled material.
Further, roof covering water-proof structure also comprises: leak stopping knot pulp material layer, is coated on roofing, and between rigidity sloping layer and roofing.
Further, overcoat is pea gravel concrete topping, adds reinforced mesh in it.
Further, roof covering water-proof structure also comprises insulation layer, is arranged between flexible waterproof material layer and overcoat.
Further, roof covering water-proof structure also comprises separation layer, is arranged between insulation layer and overcoat.
Form roof maintenance structure of the present utility model by following steps: step 10, remove the superstructure of roof panel; Step 20, forms rigidity sloping layer above roof panel; Step 30, forms at least one deck flexible waterproof material layer above rigidity sloping layer; Step 40, forms overcoat above flexible waterproof material layer.
Further, one of further comprising the steps of between step 10 and step 20: steps A: roof panel to be repaired, levelling basic unit; Step B: install gravity outfall, carries out gutter unwrapping wire;
Further, also comprise between step 30 and step 40: step C: to roofing surrounding parapet and go out roof structure and carry out facade and close water.
Further, after step C and step 40 before also comprise: step D: insulation layer is set; Step e: separation layer is set.
The utility model make use of the feature of the life-span length of rigid waterproof layer, after flexible waterproof layer lost efficacy, still the density of rigid waterproof layer self can be relied on to reach the waterproof object of building, and its life-span can reach many decades, has long service life, feature that waterproof impervious characteristic is good.
Accompanying drawing explanation
Fig. 1 diagrammatically illustrates structural representation of the present utility model.
Reference numeral in figure: 1, roofing; 2, rigidity sloping layer; 3, flexible waterproof material layer; 4, insulation layer; 5, separation layer; 6, base treatment oxidant layer; 7, overcoat; 8, clinker tile layer.
Detailed description of the invention
Below embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, please refer to Fig. 1, provide a kind of roof covering water-proof structure, comprising: sloping layer 2, formed by rigidity impervious material, be arranged on the top of roofing 1 (reinforced concrete roof board); At least one deck flexible waterproof material layer 3, is arranged on the top of 8 sloping layers 2; Overcoat 7, is arranged on the top of flexible waterproof material layer 3.
The mode that the utility model adopts rigidity sloping layer 2 to combine with flexible waterproof material layer 3, realizes rigid flexible waterproof.In prior art, usually adopt the mode that light concrete and flexible water combine, because light concrete is cavernous foam concrete material, although lightweight, barrier performance is poor.But the life-span of flexible waterproof layer is shorter, once damage or lost efficacy, seepage place is difficult to find, and repairs more difficult, generally all adopts again paving coiled material or recoat cloth water-repellent paint, repairs by the way changing whole waterproofing course.Therefore, after flexible waterproof layer lost efficacy, only effective waterproof cannot be realized by light concrete.
The utility model make use of the feature of the life-span length of rigid waterproof layer, after flexible waterproof layer lost efficacy, still the density of rigid waterproof layer self can be relied on to reach the waterproof object of building, its life-span can reach many decades, avoid above-mentioned defect of the prior art, solve roof leakaging problem, make roofing no longer percolating water occur, roofing maintenance cost is reduced greatly.
Due to the existence of this sloping layer 2, achieve structure and look for the self-closing water of slope structure, make roof construction layer seepage resistance demand, also solve roof drainage problem, make roof drainage smooth and easy, reduce the probability of roof leakage, further, due to roofing no longer ponding, insulation layer also plays good working effect, decreases building energy consumption.In preferred scheme, in sloping layer 2, be provided with gutter with predetermined space, to strengthen drainage efficiency, reduce the possibility that water is assembled, also reduce the thickness requirement to sloping layer, thus reduce the consumption of seepage resistant material.Correspondingly, each layer also forms gutter to correspondence position thereon.
Sloping layer 2 is preferably made up of steel concrete; Flexible waterproof material layer 3 typically is modified asphalt waterproof coiled material.Especially, the thickness thinnest part of sloping layer is 3cm, and it can be made up of C20 P6 commodity water-tight concrete.Especially, can setting space be the reinforced mesh of 200mm in sloping layer, to form reinforced concrete structure.Preferably, the gradient of sloping layer is 2%, can wipe one's face receipts light in its surface.Preferably, modified asphalt waterproof coiled material is SBS modified asphalt waterproof coiled material, and its thickness setting is two-layer, substantially increases water resistance by two-layer design.Preferably, the thickness of this two-layer modified asphalt waterproof coiled material is 3 or 4mm, thus forms so-called 3+3,3+4, or 4+4 structure etc.
Preferably, between flexible waterproof material layer 3 and sloping layer, be also provided with base treatment oxidant layer 6, this base treatment oxidant layer is when constructing, and first Shot Blasting is carried out on the surface of sloping layer, and then brushing blackbase inorganic agent.Like this, base treatment oxidant layer 6 can be made more reliably and to be securely combined with the surface of sloping layer.
Preferably, roof covering water-proof structure also comprises: leak stopping knot pulp material layer, is coated on roofing 1, and between rigidity sloping layer 2 and roofing 1.Such as, the mode that leak stopping knot pulp material layer carries out tying slurry by large face leak stopping treasured realizes.Wherein, leak stopping treasured is the high-quality loss circulation material processed through special process with special cement and additive; There is quick-hardening, intensity is high, with the feature such as basal plane adhesive power is good, be specially adapted to the engineerings such as the repairing of various waterproof, waterproofing and leakage-stopping.
Preferably, overcoat 7 is pea gravel concrete topping, adds reinforced mesh in it.Preferably, the thickness of pea gravel concrete topping is 4cm, and especially, the reinforced mesh in it is circle 4 reinforced mesh, and its two-way spacing can be 250mm etc.In one embodiment, overcoat 7 is the C20 pea gravel concreten that 40mm is thick, especially, also can carry out 6m × 6m parting, stitch wide 20mm; Preferably, polyphenyl plate is filled out in the bottom of seam, top pitch ointment jute packing.Preferably, the cold-drawn bar mesh sheet that two-way diameter is 4mm, spacing 250mm is joined in concrete.
Preferably, roof covering water-proof structure also comprises insulation layer 4, is arranged between flexible waterproof material layer 3 and overcoat 7.Preferably, insulation layer 4 is extruded polystyrene insulation layer, can be suitably thinning at inlet for stom water position, provides convenient for looking for slope.
Preferably, roof covering water-proof structure also comprises separation layer 5, is arranged between insulation layer 4 and overcoat 7.Preferably, separation layer 5 adopts plastic sheeting, and its thickness can be 0.4mm.
Preferably, do gutter at overcoat 7 along the gutter position of sloping layer, to ensure roofing functional in organized water drainage, reach Drainage Design requirement.In addition, some gutters laid at certain intervals by roofing, the thickness of rigidity sloping layer can be reduced, make it lighter.Wherein, gutter refers to the recessed portion between building roofing two hip.Roof drainage divides functional in organized water drainage and inorganization draining (free drainage), and functional in organized water drainage is generally arranged down by rain pipe in rainwater collection to gutter again, and the ditch gathering rainwater is just called as gutter.
Preferably, roof covering water-proof structure also comprises clinker tile layer 8, and it can be formed by being pasted onto on overcoat 7 by clinker tile thick for 20mm with polymer mortar.
The operation forming the utility model waterproof construction comprises the following steps, and is the preparation method of a kind of inversion type flat roof deck antiseep structure, is characterized in that secondary looks for slope to build shaping
Step 10, removes the superstructure of roof panel.Preferably, step 10 for overall pulling down former roof panel superstructure level, such as: 1) temporary plugging, protection siphon inlet for stom water etc.; 2), former concrete cover is rejected; 3) coil waterproof layer of former roofing, is rooted out; 4) concrete cover of former roofing, is rooted out; 5) insulation layer etc. of former roofing, is rooted out.By step 10, roof panel is come out completely.
Step 20, forms rigidity sloping layer 2 above roof panel.Preferably, rigidity sloping layer 2 is made up of water-tight concrete.Especially, the thickness thinnest part of sloping layer is 3cm, and it can be made up of C20 P6 commodity water-tight concrete.Especially, can setting space be the reinforced mesh of 200mm in sloping layer, to form reinforced concrete structure.Preferably, the gradient of sloping layer is 2%, can wipe one's face receipts light in its surface.
Step 30, forms at least one deck flexible waterproof material layer 3 above rigidity sloping layer 2; Preferably, between flexible waterproof material layer 3 and sloping layer, be also provided with base treatment oxidant layer 6, further preferably, this base treatment oxidant layer is when constructing, and first Shot Blasting is carried out on the surface of sloping layer, and then brushing blackbase inorganic agent.Like this, base treatment oxidant layer 6 can be made more reliably and to be securely combined with the surface of sloping layer.Preferably, flexible waterproof material layer 3 is modified asphalt waterproof coiled material, particularly SBS modified asphalt waterproof coiled material.
Preferably, after the construction of waterproof layer that rigidity sloping layer is formed, build the wide brick wall of 120mm by laying bricks or stones at facade periphery, separately retaining is carried out to roofing and is no less than 24 hours closed-water tests.
Preferably, after the construction of waterproof layer that flexible waterproof material layer 3 is formed, build the wide brick wall of 120mm by laying bricks or stones at facade periphery, separately retaining is carried out to roofing and is no less than 24 hours closed-water tests; The plane peak depth of water is not less than 5cm, observes, and guarantees that bottom is qualified without any seepage side.Like this, Anti-seeping technology and detection can be carried out to the seam areas going out roof structure secondary structure, to prevent seam crossing generation seepage.
Step 40, forms overcoat 7 above flexible waterproof material layer 3.Preferably, step 40 also comprises overcoat 7 and does gutter along the gutter position of sloping layer, ensures roofing functional in organized water drainage, reaches Drainage Design requirement.
The utility model make use of the feature of the life-span length of rigid waterproof layer, and after flexible waterproof layer lost efficacy, the density of rigid waterproof layer self still can be relied on to reach the waterproof object of building, and its life-span can reach many decades, avoids above-mentioned defect of the prior art.
Preferably, at least one step following is also comprised between step 10 and step 20:
Steps A: roof panel to be repaired, levelling basic unit.Such as, can fill, smear circle the thin portion such as equipment, pipe network hole pillar cement mortar, can repair position cement mortar such as roofing hollows, levelling.Wherein, cement mortar technical requirements: 1:2.5 ~ 1:3 (cement: sand) volume ratio, surface removal laitance, requires that basic unit is without sharppointed article such as open fire, greasy dirt, dust, foreign material, reaches smooth, solid, dry, clean requirement;
Step B: install gravity outfall, carries out gutter unwrapping wire; Further, carry out ash cake, control difficult to find slope line, by inspection, can step 20 be performed, namely do concrete sloping layer.
Preferably, also comprise between step 30 and step 40: step C: to roofing surrounding parapet and go out roof structure and carry out facade and close water.Preferably, close water height and flush with the advance open height of waterproof, close water method and for building the thick brick wall of 120mm by laying bricks or stones and dash of plastering inside brick wall, can close water to roof bit plane, closing the water time is no less than 24 hours, guarantees that roofing leakproof side, bottom is qualified.Like this, Anti-seeping technology and detection can be carried out to the seam areas going out roof structure secondary structure, to prevent seam crossing generation seepage.
Preferably, after step C and step 40 before also comprise:
Step D: insulation layer 4 is set; Preferably, insulation layer 4 is extruded polystyrene insulation layer, can be suitably thinning at inlet for stom water position, provides convenient for looking for slope;
Step e: separation layer 5 is set.Preferably, separation layer 5 is arranged between insulation layer 4 and overcoat 7.Preferably, separation layer 5 adopts plastic sheeting, and its thickness can be 0.4mm.
Preferably, also comprise step F: leak stopping knot pulp material layer is set before step 20 on roofing 1.Preferably, the mode that leak stopping knot pulp material layer carries out tying slurry by large face leak stopping treasured realizes.Wherein, leak stopping treasured is the high-quality loss circulation material processed through special process with special cement and additive; There is quick-hardening, intensity is high, with the feature such as basal plane adhesive power is good, be specially adapted to the engineerings such as the repairing of various waterproof, waterproofing and leakage-stopping.
Preferably, after step e, also comprise step H: to be pasted onto on overcoat 7 by clinker tile thick for 20mm with polymer mortar and to form clinker tile layer 8, to recover roofing surface layer.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (6)

1. a roof covering water-proof structure, is characterized in that, comprising:
Sloping layer (2), is formed by rigidity impervious material, is arranged on the top of described roofing (1), and described sloping layer (2) is provided with gutter with predetermined space;
At least one deck flexible waterproof material layer (3), is arranged on the top of described sloping layer (2);
Overcoat (7), is arranged on the top of described flexible waterproof material layer (3), and described overcoat (7) is in this formation gutter, gutter position.
2. roof covering water-proof structure according to claim 1, is characterized in that, described sloping layer (2) is made up of steel concrete; And/or described flexible waterproof material layer (3) is modified asphalt waterproof coiled material.
3. roof covering water-proof structure according to claim 1, it is characterized in that, described roof covering water-proof structure also comprises: leak stopping knot pulp material layer, is coated on described roofing (1), and is positioned between described sloping layer (2) and described roofing (1).
4. roof covering water-proof structure according to claim 1, is characterized in that, described overcoat (7) is pea gravel concrete topping, adds reinforced mesh in it.
5. roof covering water-proof structure according to claim 1, is characterized in that, described roof covering water-proof structure also comprises insulation layer (4), is arranged between described flexible waterproof material layer (3) and described overcoat (7).
6. roof covering water-proof structure according to claim 5, is characterized in that, described roof covering water-proof structure also comprises separation layer (5), is arranged between described insulation layer (4) and described overcoat (7).
CN201420436486.9U 2014-08-04 2014-08-04 Roof covering water-proof structure Active CN204252414U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104153521A (en) * 2014-08-04 2014-11-19 当代节能置业股份有限公司 Roof waterproof structure and roof maintenance method
CN105544876A (en) * 2015-08-21 2016-05-04 中建四局第一建筑工程有限公司 Roofing structure sloping and waterproof integrated construction method
CN108930407A (en) * 2018-08-17 2018-12-04 重庆中科建设(集团)有限公司 The construction method of green roof system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104153521A (en) * 2014-08-04 2014-11-19 当代节能置业股份有限公司 Roof waterproof structure and roof maintenance method
CN105544876A (en) * 2015-08-21 2016-05-04 中建四局第一建筑工程有限公司 Roofing structure sloping and waterproof integrated construction method
CN108930407A (en) * 2018-08-17 2018-12-04 重庆中科建设(集团)有限公司 The construction method of green roof system

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