Waterproof sealing device for door and window openings of building outer wall

Abstract

The utility model discloses a building outer wall door and window opening waterproof sealing device which comprises a first waterproof roll, a door and window auxiliary frame, a second waterproof roll, a glue joint layer, a door and window frame and a metal flashing plate. One end of the first waterproof coiled material is arranged on the inner side of a door and window opening, the other end of the first waterproof coiled material extends to an outer decorative face of a building outer wall, the door and window auxiliary frame is installed on the inner side of the first waterproof coiled material and fixed to the building outer wall, and the second waterproof coiled material is laid on the inner side of the door and window auxiliary frame in the circumferential direction. One end of the second waterproof coiled material is arranged on the inner side of the door and window auxiliary frame, the other end of the second waterproof coiled material extends to the outer decorative face of the building outer wall, the door and window frame is fixedly installed on the inner side of the door and window auxiliary frame, the position between the door and window frame and the door and window auxiliary frame is blocked through the glue joint layer, one end of the metal flashing is attached to the outer layer of the glue joint layer, and the other end of the metal flashing extends to be attached to the outer decorative face of the building outer wall. And the metal flashing plate is respectively fixed with the door and window auxiliary frame and the building outer wall.

Description

Technical Field

[0001] This utility model relates to the field of waterproofing technology for building exterior wall and window openings, and in particular to a waterproof sealing device for building exterior wall and window openings. Background Technology

[0002] To ensure the durability of building structures and the comfort of the indoor environment, waterproofing of door and window openings is a crucial aspect. Effective waterproofing not only prevents moisture from eroding the building structure, avoiding steel corrosion and concrete aging, thus extending the lifespan of the building, but also keeps the interior dry, preventing mold growth on walls and providing homeowners with a comfortable living environment. Therefore, combining new technologies to ensure ideal waterproofing of door and window openings has become an important goal and direction in building construction. Utility Model Content

[0003] This utility model addresses the problems and shortcomings of existing technologies by providing a novel waterproof sealing device for building exterior wall door and window openings.

[0004] The present invention solves the above-mentioned technical problems through the following technical solution:

[0005] This utility model provides a waterproof sealing device for door and window openings on building exterior walls, characterized in that it includes a first waterproof membrane, a door and window subframe, a second waterproof membrane, an adhesive layer, a door and window frame, and a metal flashing.

[0006] The first layer of waterproof membrane is laid along the circumference on the inside of the door and window openings of the building's exterior wall. One end of the first layer of waterproof membrane is placed on the inside of the door and window openings, and the other end extends to the exterior finish of the building's exterior wall.

[0007] The door and window subframe is installed on the inside of the first waterproof membrane and fixed to the building's exterior wall. The second waterproof membrane is laid on the inside of the door and window subframe in a circumferential direction. One end of the second waterproof membrane is placed on the inside of the door and window subframe, and the other end extends to the exterior finish of the building's exterior wall.

[0008] The door and window frame is fixedly installed on the inner side of the door and window sub-frame. The door and window frame and the door and window sub-frame are sealed by an adhesive layer. One end of the metal flashing is attached to the outer layer of the adhesive layer, and the other end extends and is attached to the exterior surface of the building wall. The metal flashing is fixed to the door and window sub-frame and the building wall respectively.

[0009] Preferably, the second waterproof membrane on the exterior surface of the building's exterior wall covers the first waterproof membrane.

[0010] Preferably, one end of the metal flashing is sealed to the outer layer of the adhesive layer with sealant, and the other end of the metal flashing is sealed to the exterior finish of the building wall with sealant.

[0011] Preferably, the door and window subframes are fixed to the exterior wall of the building using screws.

[0012] Preferably, the door and window frame is fixed to the door and window subframe using screws.

[0013] Preferably, the adhesive layer is made of expanding foam.

[0014] Preferably, the metal flashing is fixed to the door and window subframe by self-tapping screws, and the metal flashing is fixed to the exterior wall of the building by cement nails.

[0015] Preferably, the first waterproof membrane is a 1mm thick self-adhesive polymer-modified bitumen waterproof membrane.

[0016] Preferably, the second waterproof membrane is a 1mm thick self-adhesive polymer-modified bitumen waterproof membrane.

[0017] Preferably, the metal flashing is a 0.8mm thick stainless steel flashing.

[0018] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0019] The positive and progressive effects of this utility model are as follows:

[0020] Compared with existing technologies, this utility model has a robust structure, can accommodate various shapes, is low in cost, easy to construct, occupies little space, can effectively reduce subsequent manual maintenance costs, and solves the problem of waterproofing door and window openings on building exterior walls. Attached Figure Description

[0021] Figure 1 This is a cross-sectional and node structural schematic diagram of a preferred embodiment of the present invention.

[0022] Figure 2 This is a schematic diagram of the structure of the preferred embodiment of the present invention after installation in a door or window opening. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] like Figure 1-2As shown, this embodiment provides a waterproof sealing device for door and window openings on building exterior walls, which includes a first waterproof membrane 5, a door and window subframe 2, a second waterproof membrane 4, an adhesive layer 12, a door and window frame 3, and a metal flashing 1.

[0025] The first layer of waterproof membrane 5 is laid along the circumference on the inside of the door and window openings of the building's exterior wall 9. One end of the first layer of waterproof membrane 5 is placed on the inside of the door and window openings, and the other end extends to the exterior finish of the building's exterior wall.

[0026] The door and window subframe 2 is installed on the inside of the first waterproof membrane 5 and fixed to the building exterior wall 9. The second waterproof membrane 4 is laid on the inside of the door and window subframe 2 in a circumferential direction. One end of the second waterproof membrane 4 is placed on the inside of the door and window subframe 2, and the other end extends to the exterior surface of the building exterior wall 9.

[0027] The door and window frame 3 is fixedly installed on the inner side of the door and window sub-frame 2. The door and window frame 3 and the door and window sub-frame 2 are sealed by the adhesive layer 12. One end of the metal flashing 1 is attached to the outer layer of the adhesive layer 12, and the other end extends and is attached to the outer surface 10 of the building exterior wall 9. The metal flashing 1 is fixed to the door and window sub-frame 3 and the building exterior wall 9 respectively.

[0028] The second waterproof membrane 4, located on the exterior finish 10 of the building's exterior wall 9, covers the first waterproof membrane 5.

[0029] One end of the metal flashing 1 is sealed to the outer layer of the adhesive layer 12 with sealant 8, and the other end of the metal flashing 1 is sealed to the outer surface 10 of the building exterior wall 9 with sealant 8.

[0030] The door and window subframe 2 is fixed to the building exterior wall 9 using screws, the door and window frame 3 is fixed to the door and window subframe 2 using screws, the adhesive layer 12 uses expanding foam, the metal flashing 1 is fixed to the door and window subframe 2 using self-tapping screws 6, and the metal flashing 1 is fixed to the building exterior wall 9 using cement nails 7.

[0031] Among them, the first waterproof membrane 5 is a 1mm thick self-adhesive polymer modified bitumen waterproof membrane, the second waterproof membrane 4 is a 1mm thick self-adhesive polymer modified bitumen waterproof membrane, and the metal flashing 1 is a 0.8mm thick stainless steel flashing.

[0032] The installation steps for waterproof sealing devices for building exterior wall door and window openings are as follows:

[0033] Step 1: Lay the first layer of waterproof membrane 5 on the building's exterior wall 9, extending one end to the inner wall side of the door and window subframe 2 and the other end to the exterior finish 10, with a length of 250mm.

[0034] Step 2: Use the matching screws to install the door and window subframe 2 onto the building exterior wall 9.

[0035] Step 3: Lay the second layer of waterproof membrane 4 on the door and window subframe 2 and the building exterior wall 9, with one end laid to the inner wall side of the door and window subframe 2 and the other end laid to the exterior wall, with a length of 350mm, covering the first layer of waterproof membrane 5.

[0036] Step 4: Use the matching screws to install and fix the door and window frame 3 onto the door and window sub-frame 2, and seal the gap in the middle with adhesive layer 12.

[0037] Step 5: Install and fix the metal flashing 1, and fix it with self-tapping screws 6 on the door and window subframes 2 with a spacing of ≤400mm. Fix it with cement nails 7 on the building exterior wall 9 with a spacing of ≤400mm.

[0038] Step 6: Use sealant 8 to seal both ends of the metal flashing 1.

[0039] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A waterproof sealing device for door and window openings of building outer walls, characterized in that, It comprises a first waterproofing membrane, a door and window attached frame, a second waterproofing membrane, a glue joint layer, a door and window frame and a metal flashing plate. The first waterproofing membrane is laid along the circumferential direction on the inner side of the door and window opening of the building outer wall, one end of the first waterproofing membrane is placed on the inner side of the door and window opening and the other end extends to the outer finish of the building outer wall. The door and window attached frame is installed on the inner side of the first waterproofing membrane and fixed with the building outer wall, the second waterproofing membrane is laid along the circumferential direction on the inner side of the door and window attached frame, one end of the second waterproofing membrane is placed on the inner side of the door and window attached frame and the other end extends to the outer finish of the building outer wall. The door and window frame is fixedly installed on the inner side of the door and window attached frame, the door and window frame and the door and window attached frame are sealed by the glue joint layer, one end of the metal flashing plate is attached to the outer layer of the glue joint layer and the other end extends to the outer finish of the building outer wall, and the metal flashing plate is fixed with the door and window attached frame and the building outer wall respectively.

2. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The second waterproofing membrane on the outer finish of the building outer wall covers the first waterproofing membrane.

3. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, One end of the metal flashing plate is sealed with the outer layer of the glue joint layer by sealant edge sealing treatment, and the other end of the metal flashing plate is sealed with the outer finish of the building outer wall by sealant edge sealing treatment.

4. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The door and window attached frame is fixed on the building outer wall by screws.

5. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The door and window frame is fixed on the door and window attached frame by screws.

6. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The glue joint layer adopts foaming glue.

7. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The metal flashing plate is fixed on the door and window attached frame by self-tapping nails, and the metal flashing plate is fixed on the building outer wall by cement nails.

8. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The first waterproofing membrane is 1mm-thick self-adhesive polymer modified bitumen waterproofing membrane.

9. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The second waterproofing membrane is 1mm-thick self-adhesive polymer modified bitumen waterproofing membrane.

10. The waterproof sealing device for door and window openings of building outer wall according to claim 1, characterized in that, The metal flashing plate is 0.8mm-thick stainless steel flashing plate.

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