CN115977327A - Inverted roof drain port treatment structure and construction method - Google Patents
Inverted roof drain port treatment structure and construction method Download PDFInfo
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- CN115977327A CN115977327A CN202211729721.7A CN202211729721A CN115977327A CN 115977327 A CN115977327 A CN 115977327A CN 202211729721 A CN202211729721 A CN 202211729721A CN 115977327 A CN115977327 A CN 115977327A
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Abstract
The invention provides an inverted roof drain port treatment structure and a construction method, and is characterized in that the structure comprises: the slope finding layer is arranged on a structural layer of the building roof; the leveling layer is arranged on the slope finding layer; the waterproof layer is laid on the upper surface of the leveling layer, and the edge of the waterproof layer extends into the water falling port to the side surface wrapping the leveling layer and the slope finding layer and is adhered to the side surface of the structural layer; the heat-insulating layer is arranged on the horizontal plane of the waterproof layer, and a groove cavity is formed in the side face, corresponding to the water falling port, of the heat-insulating layer; the one-way valve is arranged in the groove cavity, and the air flow direction of the one-way valve is from the side of the heat preservation layer to the side of the water falling port; an insulating layer disposed on the insulating layer; the protective layer is arranged on the isolation layer and is positioned on the topmost surface; and the waterproof sealing structure is wrapped on the side surfaces of the protective layer and the isolation layer corresponding to the water falling port. The structure of the invention ensures the heat insulation performance of the heat insulation material and solves the hidden danger of roof water leakage caused by long-term water accumulation of the waterproof layer.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an inverted roof drain port treatment structure and a construction method.
Background
The traditional method of building roof construction technology is a positive roof, and the structure of the positive roof is generally that a heat insulation layer is arranged below a waterproof layer. At present, the inverted roof construction technology is widely applied to the construction of building roofs, the construction method is simple and quick, the waterproof layer is arranged below, and the heat insulation layer is arranged above the waterproof layer; the heat-insulating layer provides a physical protection layer for the waterproof layer to prevent the waterproof layer from being damaged by external force.
The inverted roof has certain disadvantages in the application process, and is mainly characterized in that a protective layer or an isolation layer in the inverted roof structure cannot achieve the effect of complete impermeability or water resistance, so that rainwater enters the heat insulation layer, the humidity is increased, the heat insulation effect is reduced, and water accumulation of the heat insulation layer is caused seriously. At present, a plurality of methods are available for an inverted roof drain port in the building engineering, but the main construction principle is the same, and the inverted roof drain port is of a plugging type, and various waterproof sealing materials are adopted to plug and isolate the external environment of the drain port and prevent rainwater from permeating into an insulating layer and a waterproof layer. The existing method is too dependent on the waterproof effect of the roof protection layer or the isolation layer, once the protection layer or the isolation layer leaks, the whole roof insulation layer is in a ponding environment, the ponding cannot be effectively drained in time, and the hidden danger of water leakage is caused.
Disclosure of Invention
The invention aims to provide an inverted roof drain port treatment structure and a construction method, which aim to solve the problem of long-term water accumulation caused by the fact that rainwater permeates into a heat insulation layer through a roof protection layer (an isolation layer).
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an inverted roof drain port treatment structure, which is characterized by comprising: the slope finding layer is arranged on a structural layer of the building roof; the leveling layer is arranged on the slope finding layer; the waterproof layer is laid on the upper surface of the leveling layer, and the edge of the waterproof layer extends into the water falling port to the side surface wrapping the leveling layer and the slope finding layer and is adhered to the side surface of the structural layer; the heat-insulating layer is arranged on the horizontal plane of the waterproof layer, and a groove cavity is formed in the side face, corresponding to the water falling port, of the heat-insulating layer; the one-way valve is arranged in the groove cavity, and the air flow direction of the one-way valve is from the side of the heat preservation layer to the side of the water falling port; an insulating layer disposed on the insulating layer; the protective layer is arranged on the isolation layer and is positioned on the topmost surface; and the waterproof sealing structure is wrapped on the side surfaces of the protective layer and the isolation layer corresponding to the water falling port.
Further, in the inverted roof drain port processing structure provided by the invention, the structure can also have the following characteristics: the groove cavity of the heat-insulating layer is of an annular structure, and the annular structure is arranged around the circumferential direction of the water falling port; the one-way valve is an annular one-way valve.
Further, in the inverted roof drain processing structure provided by the invention, the structure can also have the following characteristics: wherein, the recess chamber is in the one side towards the heat preservation, still is formed with surplus void space after the check valve installation.
Further, in the inverted roof drain processing structure provided by the invention, the structure can also have the following characteristics: the upper inner wall of the groove cavity is an insulating layer, and the lower inner wall of the groove cavity is a waterproof layer; the waterproof sealing structure is also wrapped on the side surface of the heat-insulating layer above the groove cavity.
Further, in the inverted roof drain port processing structure provided by the invention, the structure can also have the following characteristics: wherein, the side of the leveling layer to the slope finding layer corresponding to the water falling port is an inclined cambered surface, and the inner diameter of the water falling port is decreased progressively.
Further, in the inverted roof drain port processing structure provided by the invention, the structure can also have the following characteristics: the waterproof sealing structure is an inclined cambered surface on the side corresponding to the water falling port, and the inner diameter of the water falling port is gradually reduced; the inner diameter of the water falling port at the waterproof sealing structure is larger than that at the leveling layer.
The invention provides a construction method of an inverted roof drain port treatment structure, which is characterized by comprising the following steps of:
the method comprises the following steps of firstly, constructing a slope finding layer and a leveling layer in sequence;
step two, constructing a waterproof layer;
constructing a heat insulation layer;
step four, installing a one-way valve;
constructing an isolation layer;
constructing a protective layer;
and seventhly, constructing a waterproof sealing structure.
The invention has the following functions and effects:
the inverted roof drain port treatment structure provided by the invention ensures the heat insulation performance of the heat insulation material, and simultaneously solves the hidden danger of roof water leakage caused by long-term water accumulation of the waterproof layer. The water vapor and accumulated water entering the heat-insulating layer can be discharged in time, and meanwhile, external rainwater can be prevented from entering the heat-insulating layer. The structure is simple, the later maintenance is facilitated, and the hidden danger and the cost of the later maintenance are greatly reduced.
Drawings
Fig. 1 is a schematic view of an inverted roof drain treatment configuration in an embodiment of the invention.
Reference numerals: 1-a protective layer; 2-insulating layer; 3-an isolation layer; 4-one-way valve; 5-waterproof sealing structure; 6-waterproof layer 6; 7-leveling layer 7; 8-finding a slope layer; 9-structural layer; 10-a water falling port.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, the following embodiments are specifically described in the technical solutions of the invention with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides an inverted roof drain treatment structure, which includes: the water-proof and water-proof type slope-finding device comprises a slope-finding layer 8, a leveling layer 7, a water-proof layer 6, a water-proof sealing structure 5, a one-way valve 4, an isolation layer 3, a heat-preservation layer 2 and a protection layer 1.
The slope finding layer 8 is constructed and arranged on a structural layer 9 of the building roof. The leveling layer 7 is constructed and arranged on the slope finding layer 8. The leveling layer 7 and the slope layer 8 are constructed by adopting the existing leveling layer and leveling layer construction materials and construction processes, and are not elaborated herein. As shown in fig. 1, the thickness of the slope finding layer 8 is greater than that of the leveling layer 7, the side surfaces of the leveling layer 7 to the slope finding layer 8 corresponding to the water falling port are inclined cambered surfaces, and the inner diameter of the water falling port at the section is gradually decreased.
The waterproof layer 6 is laid on the upper surface of the leveling layer 7, and the edge of the waterproof layer 6 extends into the water falling port to wrap the leveling layer 7 and the side surface of the slope finding layer 8 and is adhered to the side surface of the structural layer 9. The waterproof layer is formed by laying waterproof rolls.
The insulating layer 2 is arranged on the horizontal plane of the waterproof layer 6. The heat-insulating layer 2 is formed by adopting heat-insulating materials of a building roof. The side of the heat-insulating layer 2 corresponding to the water falling port is provided with a groove cavity. The groove cavity of the heat-insulating layer 2 is of an annular structure which is arranged around the circumferential direction of the water falling port. The upper inner wall of the groove cavity is provided with a heat preservation layer 2, and the lower inner wall of the groove cavity is provided with a waterproof layer 6.
The one-way valve 4 is arranged in the groove cavity, and the air flow direction of the one-way valve 4 is from the heat preservation layer 2 side to the water falling port side. The one-way valve 4 is an annular one-way valve 4. The groove cavity is arranged at one side facing the heat-insulating layer 2, and a residual void space (shown as a in figure 1) is still formed after the one-way valve 4 is installed, and the space is used for containing water vapor and accumulated water of the heat-insulating layer and is not easy to bulge.
The insulating layer 3 is disposed on the heat insulating layer 2. The isolation layer 3 is made of plastic film or geotextile.
The protective layer 1 is arranged on the isolation layer 3 and is positioned on the topmost surface, and can be formed by adopting conventional roof protective layer materials such as tiles, asphalt, paint and the like according to the specific construction condition of a building roof.
Waterproof sealing structure 5 wraps up in the side that protective layer 1 and isolation layer 3 correspond the mouth of falling into water, still wraps up in the side of the top heat preservation 2 in the recess chamber, covers the upper surface of check valve 4. The waterproof sealing structure 5 is formed by adopting waterproof sealant for construction and plugging. The side face of the waterproof sealing structure 5 corresponding to the water falling port is an inclined arc face, the inner diameter of the water falling port is gradually reduced, the inner diameter of the water falling port at the waterproof sealing structure 5 is larger than that at the leveling layer 7, the inner diameter of the water falling port is gradually reduced from top to bottom, and the inner diameter of the water falling port is not changed when the water falling port is located at the structural layer 9.
The inverted roof drain port treatment structure completes construction according to the following steps:
step one, constructing a slope layer and a leveling layer in sequence;
constructing a waterproof layer;
constructing a heat insulation layer;
step four, installing a one-way valve;
constructing an isolation layer;
constructing a protective layer;
and seventhly, constructing a waterproof sealing structure.
The inverted roof drain port treatment structure of the embodiment has the following functions and effects: through the groove cavity of the heat preservation layer 2 and the action of the one-way valve, water vapor and accumulated water entering the heat preservation layer can be discharged in time, and meanwhile, external rainwater can be prevented from entering the heat preservation layer. The inverted roof drain port treatment structure ensures the heat insulation performance of the heat insulation layer, and simultaneously solves the hidden danger of roof water leakage caused by long-term water accumulation of the waterproof layer.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. An inverted roof drain port treatment structure is characterized by comprising:
the slope finding layer is arranged on a structural layer of the building roof;
the leveling layer is arranged on the slope finding layer;
the waterproof layer is laid on the upper surface of the leveling layer, the edge of the waterproof layer extends into the water falling port to the side surface wrapping the leveling layer and the slope finding layer, and the waterproof layer is adhered to the side surface of the structural layer;
the heat-insulating layer is arranged on the horizontal plane of the waterproof layer, and a groove cavity is formed in the side face, corresponding to the water falling port, of the heat-insulating layer;
the one-way valve is arranged in the groove cavity, and the air flow direction of the one-way valve is from the side of the heat preservation layer to the side of the water falling port;
the isolation layer is arranged on the heat insulation layer;
the protective layer is arranged on the isolation layer and is positioned on the topmost surface;
and the waterproof sealing structure is wrapped on the side surfaces of the protective layer and the isolation layer corresponding to the water falling port.
2. The inverted roof drain treatment structure according to claim 1, wherein:
the groove cavity of the heat-insulating layer is of an annular structure, and the annular structure is arranged around the circumferential direction of the water falling port;
the one-way valve is an annular one-way valve.
3. The inverted roof drain treatment structure according to claim 2, wherein:
and the groove cavity faces to one side of the heat-insulating layer, and a residual void space is still formed after the one-way valve is installed.
4. The inverted roof drain treatment structure according to claim 2, wherein:
the upper inner wall of the groove cavity is the heat-insulating layer, and the lower inner wall of the groove cavity is the waterproof layer;
the waterproof sealing structure is further wrapped on the side face of the heat insulation layer above the groove cavity.
5. The inverted roof drain treatment structure according to claim 1, wherein:
the leveling layer to the slope finding layer is an inclined arc surface on the side face corresponding to the water falling port, and the inner diameter of the water falling port decreases progressively.
6. The inverted roof drain treatment structure according to claim 5, wherein:
the side face of the waterproof sealing structure corresponding to the water falling port is an inclined cambered surface, and the inner diameter of the water falling port is gradually reduced;
the inner diameter of the water falling port at the waterproof sealing structure is larger than that at the leveling layer.
7. The construction method of the inverted roof drain treatment structure according to any one of claims 1 to 6, comprising the steps of:
step one, constructing a slope layer and a leveling layer in sequence;
step two, constructing a waterproof layer;
constructing a heat insulation layer;
step four, installing a one-way valve;
constructing an isolation layer;
constructing a protective layer;
and seventhly, constructing a waterproof sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211729721.7A CN115977327A (en) | 2022-12-30 | 2022-12-30 | Inverted roof drain port treatment structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211729721.7A CN115977327A (en) | 2022-12-30 | 2022-12-30 | Inverted roof drain port treatment structure and construction method |
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| CN115977327A true CN115977327A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211729721.7A Pending CN115977327A (en) | 2022-12-30 | 2022-12-30 | Inverted roof drain port treatment structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639184A (en) * | 2017-02-17 | 2017-05-10 | 深圳市清华苑建筑与规划设计研究有限公司 | Sloping structure of inverted roof outfall structure |
-
2022
- 2022-12-30 CN CN202211729721.7A patent/CN115977327A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639184A (en) * | 2017-02-17 | 2017-05-10 | 深圳市清华苑建筑与规划设计研究有限公司 | Sloping structure of inverted roof outfall structure |
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