Exterior wall through wall casing waterproofing practice

time：2024-09-29 15:03:15 Gadget Insights

Exterior wall through wall casing waterproofing practice

The waterproofing practice of the exterior wall through the wall sleeve mainly includes the following steps:

1. When the prefabricated waterproof casing is processed, the steel plate should be welded at the casing port and opened when the waterproof casing is installed. This method is not only simple and easy, but also very effective.

2. The combination of the waterproof casing of the basement exterior wall and the waterproof casing of the rigid or flexible waterproof casing can not only solve the problem of basement water leakage, but also ensure the firmness and stability of the wall.

3. Seal the sealant at the intersection of the perimeter of the wall pipe and the wall, and construct a waterproof additional layer along the perimeter of the wall pipe on the side of the water surface, the material and method are the same as the waterproof layer, and the width of the waterproof additional layer along the perimeter of the wall pipe and the outer wall is 250mm. After the acceptance of the waterproof additional layer, the waterproof coating is not less than 2mm thick polyurethane waterproof coating or not less than 4mm thick membrane waterproofing is applied on the surface of the water, and the waterproof coating or membrane is 50mm deep into the casing.

4. For areas with seismic fortification requirements, if rigid waterproof casing is used, flexible connections should be set up on the pipes entering the pool wall or the outer wall of the building.

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