CN104389388A - Waterproof node structure of flashing structure in metal roof system - Google Patents
Waterproof node structure of flashing structure in metal roof system Download PDFInfo
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- CN104389388A CN104389388A CN201410639519.4A CN201410639519A CN104389388A CN 104389388 A CN104389388 A CN 104389388A CN 201410639519 A CN201410639519 A CN 201410639519A CN 104389388 A CN104389388 A CN 104389388A
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- flashing
- node structure
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- waterproof
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Abstract
The invention provides a waterproof node structure of a flashing structure in a metal roof system. The waterproof node structure comprises a cross beam and a purline, wherein a steam separation layer, a heat insulation cotton roof and a roof film in sequential arrangement from inside to outside are sequentially arranged at the inner sides of the cross beam and the purline. The waterproof node structure is characterized in that a roof plate covering the floor of the whole house is arranged at the outer side of the roof film, in addition, the roof plate is upwards turned for a certain height at the wall corner parts, in addition, an edge covering element is fixedly arranged at the edge turning part of the roof plate, a flexible flashing belt is pasted on the bonding part of the edge covering element and the roof plate, the flashing belt consists of a waterproof film type material substrate and a butyl rubber bonding layer, in addition, the waterproof film type material substrate in a drape shape, with at least 80 wrinkles and with the stretch rate not lower than 50 percent, is formed in a range every 10cm in a one-way extruding mode, and the thickness of the butyl rubber bonding layer is 0.5mm to 3mm. The waterproof node structure solves the problems of complicated waterproof structure, complicated construction and high manufacturing cost of the flashing plate used at the existing flushing structure part.
Description
Technical field
The present invention relates to the waterproofing work of the flashing node often occurred in metal Roof system, for substituting existing metal flashing plate treatment process.
Background technology
Along with the development of building, the construction quality of people to room, waterproof leakproof to construction work are had higher requirement.
In metal Roof system, the metal sheet such as aluminium sheet or color coated steel sheet is used to make flashing (the metal flashing plate that such as patent CN202788538/CN203238823 introduces), but metal sheet shape is fixed, rigidity large and shortage ductility, it is closely firm that the waveform roofing be difficult to and rise and fall is pasted, and easily causes leakage hidden trouble.Particularly at gutter, ridge, stretch out the detail treatment positions such as roof pipeline, blower fan, roof covering metal plate overlap joint, because constructional difficulties, adhesion be inadequate etc., reason is easily leaked.Traditional architectural waterproof material (flashing plate) cannot solve the waterproof requirement of this kind of new type roof form.
Existing metal flashing plate is made by the mode of panel beating, punching press, pulling form moulding, and flexible poor, need to carry out different moulding for each waterproof construction, cost is higher.Existing plastics flashing plate is made by the mode of injection mo(u)lding or pulling form moulding, and also existence flexibility is poor, moulding is many, the problem of bad adaptability, and complicated construction technique.
For another example, when metal Roof uses waterproof ventilated membrane as auxiliary waterproofing course, with the node such as gutter, ribbon skylight, blower fan mouth, because shape is irregular abnormity, above-mentioned existing waterproofing node treatment technology cannot be used.
Summary of the invention
For above problem, providing the waterproofing node structure of flashing structure in a kind of metal Roof system, using the problem that waterproof construction is complicated, construction is complicated, cost is high of flashing plate for solving existing flashing structure place.
The technical solution adopted for the present invention to solve the technical problems is:
The waterproofing node structure of flashing structure in a kind of metal Roof system, comprise crossbeam and purlin, the vapor barrier layer comprising from-inner-to-outer is set gradually inside described crossbeam and purlin, heat-preservation cotton roofing and roof membrane, it is characterized in that, the roof panel that one covers whole house earth surface is provided with outside described roof membrane, and roof panel upwards turns down certain altitude at corner place, and in the flange place fixed packet edge pieces of roof panel, flexible flashing band is pasted with at bound edge part and roof panel lap-joint, described flashing band is made up of waterproof film class material substrate and butyl rubber adhesive linkage, and described waterproof film class material substrate is the every 10cm wrinkle number formed by unidirectionally extruded mode is not less than 80, extensibility is not less than the accordion of 50%, described butyl rubber thickness of adhibited layer is 0.5 ㎜ ~ 3 ㎜.
Further, being overlapped on bound edge part and roof panel of the even decile in described flashing band both sides.
Further, described bound edge part is bending metal sheet.
Further, be provided with a flashing in the corner of described roof membrane and support angle steel.
Best, described waterproof film class material substrate is spunbonded type alkene film, spunbonded type alkene film also referred to as spunbond polyolefin waterproof ventilated membrane, have higher tensile strength, easy-formation, waterproof, can the good feature of adhesive property.
Further, the thickness of described spunbonded type alkene film is 0.1mm ~ 0.7mm.
Further, described spunbonded type alkene film can also use polyethylene film material, polypropylene film material, PP film material or aluminum foil material to substitute.
Best, described butyl rubber thickness of adhibited layer is 1mm ~ 2mm.
Further, described butyl rubber adhesive linkage is respectively hot-melt adhesive paste with waterproof film class material substrate, bound edge part and roof panel respectively.
Best, the effective width of described composite and flexible flashing band is 10 centimetres ~ 20 centimetres, and what often adopt is 15 centimetres.
The waterproof details positions such as the seam that one side is direct and roofing is pending of butyl rubber of the present invention are pasted together, and can be out of shape according to the shape of building flashing structure, and conformability is fine.
The invention has the beneficial effects as follows:
This flashing band has superior ageing resistance, lasting caking property, remarkable stretching ductility, convenient construction and can effectively prevent from leaking and the characteristic of seepage.
1, spunbonded type alkene film, has that intensity is high, water-tolerant, anticorrosion; Heat-resisting preferably, chemical proofing, obdurability, electrical insulating property and safety.
2, butyl rubber has Pressure sensitive touch reactivity, bonds firmly with sticking veneer, and the molecular permeability of butyl rubber makes its adhesive property better.
3, the spunbonded type alkene film soft surface of accordion of the present invention, ductility (fold open situation completely under) is greater than 50%, and therefore the present invention has remarkable stretching ductility, has good anti-performance of expanding with heat and contract with cold.And fold number is more, in expansion situation completely, in the direction of the width, butyl rubber also can not be formed and run through, and waterproof effect is obvious.
4, the ageing resistance that the present invention is superior, lasting caking property can, at-20 degree to smooth construction at 80 degree of large-scale temperature, be a kind of flexible flashing material well.
5, the present invention is applicable between steel work, widely applicable, easy construction, quick.
Accompanying drawing explanation
Fig. 1 is the node diagram at flooring place in the metal Roof system of this flashing of application band.
Fig. 2 is the formation schematic diagram of composite and flexible flashing band.
Fig. 3 is the front view of composite and flexible flashing band.
In figure: 1 spunbonded type alkene film substrate, 11 folds, 2 butyl rubbers, 3 substrates, 31 stripings, 41 roof panel, 42 roof membranes, 43 heat-preservation cotton, 44 vapor barrier layer, 45 flashing support angle steel, 46 bound edge parts, 47 crossbeams, 48 purlins, 1 flashing band '.
Detailed description of the invention
Steel house be with uniform section or variable section H-type steel for load-bearing main body with C type, Z-shaped purline and column braces for connection assist, fixed by the mode such as bolt or welding, the novel building system that roofing and metope are gone along with sb. to guard him with color profiling steel plate and formed.Steel house is applicable to all types of industries factory building, warehouse, supermarket, highrise building etc.Process cumbersome in flashing structure wherein, usually use the metal flashing plate of rigidity to process, weak effect.
As Fig. 1, be described for the waterproofing work at flashing structure place in metal Roof system below:
In large-scale, medium-sized, small-sized steel house.At detail treatment positions such as roof covering metal plate overlap joints, comprising crossbeam 47 and purlin 48, adopt channel-section steel or i iron, and do preservative treatment, is support stress point.And be followed successively by skeleton from top to bottom for roof panel 41, roof membrane 42, heat-preservation cotton 43 and vapor barrier layer 44, wherein roof panel adopts color steel to make, be above ground portion within doors, roof panel wherein is also provided with flashing in the corner of roof panel and metope and supports angle steel 45 and bound edge part 46.Wherein, roof panel 41 on the corner upwards turns down certain altitude, and carries out bound edge with metal hemming edge part 46, bound edge part is the metal sheet of L shape, and match all over constructing with turning over of roof panel, this flashing band 1 ' mainly for be the process in flashing gap between bound edge part and roof panel, as shown in Figure 1.Because flashing band has certain flexibility and self bonding performance, so can be good at above-mentioned work.Owing to being carry out bonding connection for steel plate, adhesive property is better.
Composition graphs 2 and Fig. 3 are described in detail this flashing band, and the formation of this composite and flexible flashing band comprises spunbonded type alkene film substrate 1 from bottom to top, butyl rubber 2 and single silicon white release liners substrate 3 three layers.Be the spunbonded type alkene film of 0.1mm ~ 0.7mm by selecting thickness, and by the wrinkle number that fashion of extrusion forms every 10cm be not less than 80, extensibility be not less than 50% the elastic webbing with fold, the setting of this fold 11 has taken into full account ductility, water proofing property and easy to use, with the thick butyl rubber of 1 ~ 2mm by the process combining such as hot melt to together with flexible flashing band.
Best, the width design of above-mentioned flashing band becomes 15 centimetres wide, and too narrow being difficult to forms effective waterproof, too wide waste material, and be provided with striping 31 at 1/3rd places of substrate, bending can be carried out to it easily, part tears separation, and after construction, substrate abandons, constructability.
Wherein, spunbonded type alkene film can be selected to have has that intensity is high, water-tolerant equally; anticorrosion; heat-resisting preferably; the compound film material of chemical proofing, obdurability, electrical insulating property and safety makes; all within protection scope of the present invention, as polyethylene film material, polypropylene film material, the PP film material that usually can expect, or the polymer compound film of above-mentioned performance should be had.Polymer compound film described herein can be single layer structure can be also multi-layer compound structure, as long as can meet above-mentioned performance requirement, all falls into the protection domain of present patent application.Certain employing aluminium foil class material also can realize above-mentioned functions, also should within protection scope of the present invention.
Wherein, butyl rubber 2 also can be had Pressure sensitive touch reactivity, be replaced, all within protection scope of the present invention with bond firmly other glue classes, bonding agent class similar item of sticking veneer.In stretching taping process, butyl rubber forms continuous print isolation adhesive linkage all the time in the stretching direction, and forms by compacting the infiltration that water proof body prevents in the direction of the width.
This flashing band in use can according to the moulding difference of flashing structure, form the special-shaped flashing structure of L shape, Z-shaped, annular, fan-shaped or other shapes, flashing band is flexible, the shape that can construct main body according to flashing carry out flexible adaptive deformation and and compacting coordinate, gutter, ridge can be met widely, stretch out the waterproof needs in the detail treatment portions such as roof pipeline, blower fan, roof covering metal plate overlap joint, and simplify construction technology.
This flashing band is flexible, can meet making and the process of the flashing structure of any shape, cope with shifting events by sticking to a fundamental principle, solve traditional architectural waterproof material (flashing plate) and cannot solve the anti-water problem of this kind of new type roof form.
Easy understand, this flashing structure also can be used for existing rapid assembling house, integrated house, container house, modularized house is medium needs to carry out in the flashing structure of waterproofing work, similar roofing flashing technical problem can be solved, rapid assembling house herein refers to the main member that completes in the factory, and carries out the house installing, assemble at the scene.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (10)
1. the waterproofing node structure that in a metal Roof system, flashing constructs, comprise crossbeam and purlin, the vapor barrier layer, heat-preservation cotton roofing and the roof membrane that comprise from-inner-to-outer is set gradually inside described crossbeam and purlin, it is characterized in that, the roof panel that one covers whole house earth surface is provided with outside described roof membrane, and roof panel upwards turns down certain altitude at corner place, and in the flange place fixed packet edge pieces of roof panel, be pasted with flexible flashing band at described bound edge part and roof panel lap-joint; Described flashing band is made up of waterproof film class material substrate and butyl rubber adhesive linkage, and described waterproof film class material substrate is the every 10cm wrinkle number formed by unidirectionally extruded mode be not less than 80, extensibility be not less than 50% accordion, described butyl rubber thickness of adhibited layer is 0.5 ㎜ ~ 3 ㎜.
2. the waterproofing node structure that in metal Roof system according to claim 1, flashing constructs, it is characterized in that, described waterproof film class material substrate is spunbonded type alkene film.
3. the waterproofing node structure that in metal Roof system according to claim 2, flashing constructs, it is characterized in that, the thickness of described spunbonded type alkene film is 0.1mm ~ 0.7mm.
4. the waterproofing node structure of flashing structure in the metal Roof system according to claim 1 or 3, it is characterized in that, described butyl rubber thickness of adhibited layer is 1mm ~ 2mm.
5. the waterproofing node structure that in metal Roof system according to claim 1, flashing constructs, it is characterized in that, described butyl rubber adhesive linkage carries out hot-melt adhesive paste with waterproof film class material substrate, bound edge part and roof panel respectively.
6. the waterproofing node structure that in metal Roof system according to claim 1, flashing constructs, is characterized in that, being overlapped on bound edge part and roof panel of the even decile in described flashing band both sides.
7. the waterproofing node structure that in metal Roof system according to claim 6, flashing constructs, it is characterized in that, described bound edge part is bending metal sheet.
8. the waterproofing node structure that in metal Roof system according to claim 1, flashing constructs, it is characterized in that, the effective width of described composite and flexible flashing band is 10 centimetres ~ 20 centimetres.
9. the waterproofing node structure that in metal Roof system according to claim 1, flashing constructs, it is characterized in that, described waterproof film class material substrate is the one in polyethylene film material, polypropylene film material, PP film material or aluminum foil material.
10. the waterproofing node structure that in a kind of metal Roof system according to claim 1, flashing constructs, is characterized in that, is provided with a flashing supports angle steel in the corner of described roof membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410639519.4A CN104389388A (en) | 2014-11-13 | 2014-11-13 | Waterproof node structure of flashing structure in metal roof system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410639519.4A CN104389388A (en) | 2014-11-13 | 2014-11-13 | Waterproof node structure of flashing structure in metal roof system |
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| CN104389388A true CN104389388A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410639519.4A Pending CN104389388A (en) | 2014-11-13 | 2014-11-13 | Waterproof node structure of flashing structure in metal roof system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944446A (en) * | 2019-04-28 | 2019-06-28 | 中建四局第三建筑工程有限公司 | A kind of construction method and structure of roofing flashing |
| CN112095935A (en) * | 2020-09-01 | 2020-12-18 | 中国建筑第八工程局有限公司 | Construction method of waterproof structure of steel structure factory building outlet roof |
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| JP2000145032A (en) * | 1998-11-09 | 2000-05-26 | Sekisui House Ltd | Roof tile ridge structure, and ridge exhaust system |
| CN101586381A (en) * | 2008-05-20 | 2009-11-25 | 北京森聚柯高分子材料有限公司 | Waterproof structure and manufacturing method thereof |
| CN201835449U (en) * | 2010-09-30 | 2011-05-18 | 广东杭萧钢构有限公司 | Connecting structure of gable wall and roofing |
| CN102168474A (en) * | 2010-12-30 | 2011-08-31 | 上海朝睿贸易商行 | Composite aluminum film elastic flashing and preparation method thereof |
| CN202519893U (en) * | 2012-04-09 | 2012-11-07 | 上海多凯复合材料有限公司 | Top open type fiber reinforce plastic (FRP) daylighting plate skylight |
| CN204225382U (en) * | 2014-11-13 | 2015-03-25 | 济南一布建材科技有限公司 | The waterproofing node structure of flashing structure in metal Roof system |
-
2014
- 2014-11-13 CN CN201410639519.4A patent/CN104389388A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145032A (en) * | 1998-11-09 | 2000-05-26 | Sekisui House Ltd | Roof tile ridge structure, and ridge exhaust system |
| CN101586381A (en) * | 2008-05-20 | 2009-11-25 | 北京森聚柯高分子材料有限公司 | Waterproof structure and manufacturing method thereof |
| CN201835449U (en) * | 2010-09-30 | 2011-05-18 | 广东杭萧钢构有限公司 | Connecting structure of gable wall and roofing |
| CN102168474A (en) * | 2010-12-30 | 2011-08-31 | 上海朝睿贸易商行 | Composite aluminum film elastic flashing and preparation method thereof |
| CN202519893U (en) * | 2012-04-09 | 2012-11-07 | 上海多凯复合材料有限公司 | Top open type fiber reinforce plastic (FRP) daylighting plate skylight |
| CN204225382U (en) * | 2014-11-13 | 2015-03-25 | 济南一布建材科技有限公司 | The waterproofing node structure of flashing structure in metal Roof system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944446A (en) * | 2019-04-28 | 2019-06-28 | 中建四局第三建筑工程有限公司 | A kind of construction method and structure of roofing flashing |
| CN112095935A (en) * | 2020-09-01 | 2020-12-18 | 中国建筑第八工程局有限公司 | Construction method of waterproof structure of steel structure factory building outlet roof |
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