CN109518893B - Roof metal gutter waterproof method and waterproof structure - Google Patents
Roof metal gutter waterproof method and waterproof structure Download PDFInfo
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- CN109518893B CN109518893B CN201811353809.7A CN201811353809A CN109518893B CN 109518893 B CN109518893 B CN 109518893B CN 201811353809 A CN201811353809 A CN 201811353809A CN 109518893 B CN109518893 B CN 109518893B
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- waterproof coiled
- coiled material
- metal gutter
- waterproof
- gutter
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- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
- E04D13/0648—Gutters comprising provisions for heat insulation, e.g. an insulation layer
Abstract
The invention discloses a roof metal gutter waterproof method and a roof metal gutter waterproof structure, wherein the waterproof method comprises the following steps: (1) a fixed connecting piece is arranged on the steel plate at the bottom of the metal gutter; (2) respectively paving a bottom heat-insulating layer and a vertical surface heat-insulating layer on the bottom steel plate of the metal gutter and the vertical surfaces at the two sides of the metal gutter; (3) respectively paving a bottom waterproof coiled material and a vertical surface waterproof coiled material on the bottom heat-insulating layer and the vertical surface heat-insulating layer; (4) a U-shaped pressing strip and a load dispersing rope are arranged on a horizontal lapping surface formed by the bottom waterproof coiled material and the vertical surface waterproof coiled material, and a fixing screw penetrates through the U-shaped pressing strip, each waterproof coiled material and the bottom heat insulation layer and is fixedly connected to a fixed connecting piece; (5) and laying additional layers of waterproof coiled materials at the internal corners of two sides of the metal gutter to enable the U-shaped pressing strips and the load dispersing ropes to be covered by the additional layers of the waterproof coiled materials. According to the invention, the water-proof leakage risk of the gutter on the metal roof can be greatly reduced by arranging the fixing and connecting piece of the purlin in the shape of the Chinese character 'ji'.
Description
Technical Field
The invention belongs to the technical field of gutter waterproofing, and particularly relates to a roof metal gutter waterproofing method and a roof metal gutter waterproofing structure.
Background
At present, the single-layer polymer waterproof coiled material roof waterproof fortification is laid according to two waterproof technical specifications of GB50345-2012 (technical Specification for roof engineering) and JGJ/T316-2013 (technical Specification for single-layer waterproof coiled material roof engineering), but the two specifications do not make clear provisions for the waterproof detail processing of the mechanical fixing construction waterproof coiled material in a roof gutter, so that the metal roof waterproof fortification detail node structure needs to refer to a 06J925-2 (profiled steel plate, sandwich plate roof and wall building structure II) figure set. As shown in fig. 1, at the bottom of the gutter, in order to fix the gutter coil, fixing screws need to penetrate through the heat-insulating layer and the gutter steel plate, and fixing nails are fixed on roof purlines. Most of the metal roof gutters are finished roof gutters, and the steel plates are originally complete, have a self-waterproof structure function and are self-waterproof barriers of the roof gutters. Because the steel sheet is worn to the staple, the waterproof barrier of certainly of gutter is destroyed, in case the upper portion waterproof layer appears destroying, rainwater to the lower part seepage flow, and then lead to the rainwater from nail hole department seepage to indoor to the rainwater can aggravate the percolating water condition with higher speed nail hole peripheral steel sheet corrosion, can influence metal roofing life simultaneously.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a roof metal gutter waterproof method, so that when a waterproof coiled material at the bottom of a gutter is fixed, a fixing screw can fix the waterproof coiled material without penetrating through a steel plate at the bottom of the gutter.
In order to achieve the above objects, an aspect of the present invention provides a roofing metal gutter waterproofing method including:
(1) a fixed connecting piece is arranged on the steel plate at the bottom of the metal gutter;
(2) respectively paving a bottom heat-insulating layer and a vertical surface heat-insulating layer on the bottom steel plate of the metal gutter and the vertical surfaces at the two sides of the metal gutter;
(3) paving a bottom waterproof coiled material and a vertical surface waterproof coiled material on the bottom heat-insulating layer and the vertical surface heat-insulating layer respectively;
(4) a U-shaped pressing strip and a load dispersing rope are arranged on a horizontal overlapping surface formed by the bottom waterproof coiled material and the vertical surface waterproof coiled material, and a fixing screw penetrates through the U-shaped pressing strip, each waterproof coiled material and the bottom heat insulation layer and is fixedly connected to the fixing connecting piece;
(5) and laying additional layers of waterproof coiled materials at the internal corners of two sides of the metal gutter, so that the U-shaped pressing strips and the load dispersing ropes are covered by the additional layers of the waterproof coiled materials.
The invention also provides a roof metal gutter waterproof structure paved by the roof metal gutter waterproof method.
The technical scheme of the invention has the following beneficial effects:
(1) according to the invention, the metal component in the shape of the Chinese character 'ji' is welded on the gutter of the metal roof, then the heat preservation and the waterproof layer are laid, when the waterproof coiled material at the bottom is fixed through the fixed connecting piece, a steel plate at the bottom of the gutter does not need to be punched, and the screw is directly fixed on the purlin in the shape of the Chinese character 'ji', so that the fixing requirement of the waterproof coiled material can be met, and the adverse effect caused by punching the structural steel plate through the fixed screw can be avoided;
(2) the fixing and connecting piece for the purlin shaped like the Chinese character 'ji' is low in cost, convenient to construct and strong in operability; through setting up "nearly" word purlin fixed connection spare, the waterproof seepage risk of reduction metal roofing gutter that will be very big for waterproof quality is more secure, and then improves the life of the waterproof endurance of metal roofing and roofing system.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic view of a gutter in a 21 st node of a prior art profiled steel sheet composite heat-insulating coiled material waterproof roof (mechanically fixed 1). (refer to 06J925-2 'profiled steel sheets, sandwich board roofing and wall building structure (two)' the method of making in the figure.)
Fig. 2 shows a schematic cross-sectional view of a roof metal gutter waterproofing structure according to an embodiment of the present invention.
Description of reference numerals:
1. the metal gutter comprises a metal gutter bottom steel plate 2, a bottom heat-insulating layer 3, a bottom waterproof coiled material 4, a U-shaped pressing strip 5, a fixing screw 6, a fixing connecting piece 7, a load dispersing rope 8, an internal corner 9 of the metal gutter, a waterproof coiled material additional layer 10, a vertical surface heat-insulating layer 11, a vertical surface waterproof coiled material 12 and horizontal planes on two sides of the metal gutter
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
One aspect of the invention provides a roof metal gutter waterproof method, which comprises the following steps:
(1) a fixed connecting piece is arranged on the steel plate at the bottom of the metal gutter;
(2) respectively paving a bottom heat-insulating layer and a vertical surface heat-insulating layer on the bottom steel plate of the metal gutter and the vertical surfaces at the two sides of the metal gutter;
in the invention, when the depth of the metal gutter is more than 300mm, the vertical surface heat-insulating layer is preferably provided with a fixing piece for fixing the vertical surface heat-insulating layer.
(3) Paving a bottom waterproof coiled material and a vertical surface waterproof coiled material on the bottom heat-insulating layer and the vertical surface heat-insulating layer respectively;
(4) a U-shaped pressing strip and a load dispersing rope are arranged on a horizontal overlapping surface formed by the bottom waterproof coiled material and the vertical surface waterproof coiled material, and a fixing screw penetrates through the U-shaped pressing strip, each waterproof coiled material and the bottom heat insulation layer and is fixedly connected to the fixing connecting piece; each waterproof coiled material comprises a bottom waterproof coiled material and a vertical surface waterproof coiled material;
according to the invention, the load dispersing ropes are welded on the waterproof roll material next to the U-shaped pressing strips, and point loads are converted into line loads, so that the wind uncovering resistance is improved.
(5) And laying additional layers of waterproof coiled materials at the internal corners of two sides of the metal gutter, so that the U-shaped pressing strips and the load dispersing ropes are covered by the additional layers of the waterproof coiled materials.
According to the invention, preferably, the fixed connecting piece is a purlin shaped like a Chinese character 'ji'.
The method of the invention meets the standard requirements, and welds the prefabricated purlin with the shape like the Chinese character 'ji' on the gutter steel plate while not affecting the heat preservation and the waterproof treatment of the gutter part, thereby having low cost and good effect, effectively avoiding the damage of the fixing screw to the gutter steel plate in the original method, keeping the self-waterproof function of the gutter steel plate, and greatly reducing the water leakage risk of the roof gutter.
According to the invention, step (1) is preferably to weld and fix the connecting piece on the steel plate at the bottom of the metal gutter.
According to the invention, preferably, the bottom heat-insulating layer is provided with a groove matched with the fixed connecting piece, and the fixed connecting piece can be wrapped in the groove.
In the invention, the height of the fixing and connecting piece for the purlin shaped like the Chinese character 'ji' is determined according to the thickness of the heat-insulating layer at the bottom.
According to the invention, preferably, the fixed connecting piece is arranged close to the vertical surface heat-insulating layer, and the outermost end of one side of the fixed connecting piece close to the vertical surface heat-insulating layer is in contact with the vertical surface heat-insulating layer.
The laying process and the lapping process of the bottom waterproof coiled material and the vertical face waterproof coiled material can be any mode suitable for the invention, and as a preferable mode, in the step (3), the bottom waterproof coiled material is laid firstly, and then the vertical face waterproof coiled material is laid; the bottom waterproof coiled material is laid to the internal corner of the metal gutter, and the bottom waterproof coiled material is turned upwards along the vertical surface of the internal corner of the metal gutter; the facade waterproof coiled material is lapped above the bottom waterproof coiled material.
According to the invention, the size of the waterproof coiled material at the bottom of the gutter is determined by the size of the steel plate at the bottom of the gutter, so that the waterproof coiled material at the bottom of the gutter can completely cover the steel plate at the bottom of the gutter.
According to the invention, preferably, the upturning height of the bottom waterproof coiled material along the inside corner vertical face of the metal gutter is not less than 50 mm; the lapping length of the facade waterproof coiled material and the bottom waterproof coiled material is not less than 50 mm.
According to the invention, preferably, the lap joint length of the vertical waterproof coiled material and the horizontal planes on two sides of the metal gutter is not less than 150 mm.
In the invention, the lapping surfaces of the waterproof coiled materials on the vertical surfaces of the two sides and the horizontal surfaces on the two sides of the metal gutter are welded.
In the present invention, the specific waterproof laying process for the horizontal planes on both sides of the metal gutter is a conventional treatment process in the art, and is not described herein.
Preferably, according to the invention, the additional layer of waterproofing membrane overlaps the base waterproofing membrane and the facade waterproofing membrane by a length of no less than 75 mm.
In the invention, the construction method for laying the additional layers of the waterproof coiled material at the internal corners of the two sides of the metal gutter is a conventional process step in the field, and the additional layers of the waterproof coiled material are welded by a hand-held hot air welding machine and compacted by a hard silicone roller.
In the present invention, the bottom waterproofing membrane, the facade waterproofing membrane and the waterproofing membrane additional layer can be any macromolecule waterproofing membrane suitable for the mechanical fixation of the present invention, preferably thermoplastic polyolefin waterproofing membrane (TPO membrane); the bottom insulating layer and the vertical surface insulating layer can be made of conventional plate-shaped insulating materials, such as rock wool plates and polystyrene boards.
The invention also provides a roof metal gutter waterproof structure paved by the roof metal gutter waterproof method.
The invention is further illustrated by the following examples:
the additional layers of bottom waterproofing membrane, facade waterproofing membrane and waterproofing membrane described in the following examples are thermoplastic polyolefin waterproofing membrane (TPO membrane); the bottom insulating layer and the vertical surface insulating layer are both made of polystyrene boards.
Examples
As shown in fig. 1, the present embodiment provides a method for waterproofing a roof metal gutter, which includes:
(1) a steel plate 1 at the bottom of the metal gutter is welded with a fixing connecting piece 6 of a purlin shaped like a Chinese character 'ji'; the fixed connecting piece 6 is arranged close to the vertical surface heat-insulating layer 10, and the outermost end of one side of the fixed connecting piece 6 close to the vertical surface heat-insulating layer 10 is in contact with the vertical surface heat-insulating layer 10;
(2) a bottom heat-insulating layer 2 and a vertical surface heat-insulating layer 10 are respectively paved on the bottom steel plate 1 of the metal gutter and the vertical surfaces at the two sides of the metal gutter;
(3) a bottom waterproof coiled material 3 and a vertical surface waterproof coiled material 11 are respectively paved on the bottom heat-insulating layer 2 and the vertical surface heat-insulating layer 10; firstly, paving the bottom waterproof coiled material 3, and then paving the vertical surface waterproof coiled material 11; the bottom waterproof coiled material 3 is paved to the position of an internal corner 8 of the metal gutter, and the bottom waterproof coiled material 3 is turned upwards along the vertical face of the internal corner of the metal gutter; the vertical waterproof coiled material 11 is lapped above the bottom waterproof coiled material 3; a groove matched with the fixed connecting piece 6 is formed in the bottom heat-insulating layer 2, and the fixed connecting piece 6 can be wrapped in the groove; the upturning height of the bottom waterproof coiled material 3 along the internal corner vertical surface of the metal gutter is 50 mm; the lap joint length of the facade waterproof coiled material 11 and the bottom waterproof coiled material 3 is 50 mm; the lap joint length of the vertical waterproof coiled material 11 and the horizontal planes 12 on the two sides of the metal gutter is 150 mm;
(4) a U-shaped pressing strip 4 and a load dispersing rope 7 are arranged on a horizontal overlapping surface formed by the bottom waterproof coiled material 3 and the vertical surface waterproof coiled material 11, and a fixing screw 5 penetrates through the U-shaped pressing strip 4, the vertical surface waterproof coiled material 11, the bottom waterproof coiled material 3 and the bottom heat insulation layer 2 and is fixedly connected to the fixing connecting piece 6; wherein, the load dispersing rope 7 is welded on the waterproof roll material next to the U-shaped batten 4;
(5) laying waterproof coiled material additional layers 9 at the internal corners of two sides of the metal gutter, so that the U-shaped pressing strips 4 and the load dispersing ropes 7 are covered by the waterproof coiled material additional layers 9; during construction, the waterproof coiled material additional layer 9 is welded by a hand-held hot air welding machine and compacted by a hard silicone roller; the lap length of the waterproofing membrane additional layer 9 and the bottom waterproofing membrane 3 and the facade waterproofing membrane 11 are both 75 mm.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. A roof metal gutter waterproof method is characterized by comprising the following steps:
(1) a fixed connecting piece is arranged on the steel plate at the bottom of the metal gutter;
(2) respectively paving a bottom heat-insulating layer and a vertical surface heat-insulating layer on the bottom steel plate of the metal gutter and the vertical surfaces at the two sides of the metal gutter;
(3) paving a bottom waterproof coiled material and a vertical surface waterproof coiled material on the bottom heat-insulating layer and the vertical surface heat-insulating layer respectively;
(4) a U-shaped pressing strip and a load dispersing rope are arranged on a horizontal overlapping surface formed by the bottom waterproof coiled material and the vertical surface waterproof coiled material, and a fixing screw penetrates through the U-shaped pressing strip, each waterproof coiled material and the bottom heat insulation layer and is fixedly connected to the fixing connecting piece;
(5) laying additional layers of waterproof coiled materials at the internal corners of two sides of the metal gutter, so that the U-shaped pressing strips and the load dispersing ropes are covered by the additional layers of waterproof coiled materials;
wherein, the step (1) is to weld and fix a connecting piece on a steel plate at the bottom of the metal gutter;
wherein, the fixed connecting piece is a purlin shaped like a Chinese character 'ji'.
2. The waterproof method for the roof metal gutter as claimed in claim 1, wherein the bottom insulating layer is provided with a groove matched with the fixing and connecting piece, and the fixing and connecting piece can be wrapped in the groove.
3. The method for waterproofing a roof metal gutter according to claim 1, wherein the fixing-connecting member is provided adjacent to the facade insulation layer, and an outermost end of a side of the fixing-connecting member adjacent to the facade insulation layer is in contact with the facade insulation layer.
4. The roofing metal gutter waterproofing method according to claim 1, wherein in step (3), the bottom waterproofing roll is laid first, and then the elevation waterproofing roll is laid; the bottom waterproof coiled material is laid to the internal corner of the metal gutter, and the bottom waterproof coiled material is turned upwards along the vertical surface of the internal corner of the metal gutter; the facade waterproof coiled material is lapped above the bottom waterproof coiled material.
5. The roofing metal gutter waterproofing method according to claim 4 wherein the height of the bottom waterproofing membrane turned up along the inside corner elevation of the metal gutter is not less than 50 mm; the lapping length of the facade waterproof coiled material and the bottom waterproof coiled material is not less than 50 mm.
6. The roofing metal gutter waterproofing method according to claim 1, wherein the length of overlap of the elevation waterproofing roll and the plane on both sides of the metal gutter is not less than 150 mm.
7. The method of waterproofing a roofing metal gutter according to claim 1, wherein the additional layer of waterproofing membrane overlaps the base waterproofing membrane and the riser waterproofing membrane by no less than 75 mm.
8. The roofing metal gutter waterproofing structure laid by the roofing metal gutter waterproofing method according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353809.7A CN109518893B (en) | 2018-11-14 | 2018-11-14 | Roof metal gutter waterproof method and waterproof structure |
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| CN201811353809.7A CN109518893B (en) | 2018-11-14 | 2018-11-14 | Roof metal gutter waterproof method and waterproof structure |
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| CN109518893A CN109518893A (en) | 2019-03-26 |
| CN109518893B true CN109518893B (en) | 2021-06-01 |
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Families Citing this family (3)
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| CN113969672B (en) * | 2021-08-09 | 2023-04-11 | 中建一局集团建设发展有限公司 | Metal gutter waterproof integral maintenance structure and construction method |
| CN114411986A (en) * | 2022-02-23 | 2022-04-29 | 中国建筑第八工程局有限公司 | Laboratory sealing structure and construction method thereof |
| CN115059247A (en) * | 2022-06-27 | 2022-09-16 | 深圳市科顺防水工程有限公司 | Waterproof structure assembly paved in gutter and paving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7204060B2 (en) * | 2000-02-18 | 2007-04-17 | Hunt Christopher M | System for manufacturing structures of cementitious materials |
| CN104453102A (en) * | 2013-09-12 | 2015-03-25 | 美联钢结构建筑系统(上海)股份有限公司 | Structure of main purlin exposed type universal upright lock seam double-deck metal roof |
| CN204691085U (en) * | 2015-05-26 | 2015-10-07 | 上海精锐金属建筑系统有限公司 | A kind of classification of waterproof one-level standing-seam metal Roof |
| CN208088694U (en) * | 2018-04-10 | 2018-11-13 | 中青建安建设集团有限公司 | A kind of steel construction gutter and masonry parapet intersection water proof structure |
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