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Analysis of the importance of exterior wall waterproofing

Shanghai Procter & Gamble Company :

Analysis of the importance of exterior wall waterproofing

Exterior wall waterproofing is a branch waterproofing project to ensure that the structure of a building (structure) is not attacked by water and the internal space is not harmed by water. It occupies an important position in the entire construction project. In many cases, no leakage prevention measures have been taken, leading to a large number of external wall leakage. In the event of a leak, maintenance is quite difficult.

1. The importance of building exterior wall waterproofing

The design of a good building exterior waterproof structure can not only prolong the service life of the building itself, but also improve the waterproof performance of the wall. The most important thing is that the design of a good building exterior waterproof structure can improve the aesthetics and safety of the building. .

2.Extend the life of the building

Good waterproofing of the building exterior wall can effectively extend the life of the building itself. We all know that in recent years, with the increase of the height of the building, the wind pressure received by the building will gradually increase, which makes the building The leakage rate of the external wall of the building has also gradually increased, reducing the use of the external wall as the envelope structure and the thermal insulation performance, which has led to a much shorter life of the building. The good design of the outer wall waterproofing can just reduce the permeability of the outer wall, thereby ensuring the service life of the outer wall and extending the overall service life of the building.

3.Improve the waterproof performance of the wall

The good design of the waterproof structure of the external wall of the building can not only extend the service life of the building itself, but also optimize the building's own gravity structure. The effect of optimizing the gravity structure on the waterproofing of the building's exterior wall is obvious. We all know that during the construction of the external wall, there will be a lot of transverse joints, and the cross-section design slope of most joints is in the direction of gravity. Therefore, the water can easily penetrate the gap into the wall or Go deep into the interior, and in the process of designing the waterproof structure, the construction staff fully considered this issue, starting from the external wall material, the external wall structure design and construction, etc., to achieve the reduction of the external wall permeability, through optimization The way of gravity structure promotes the waterproof performance of the entire exterior wall.

4. Improve the aesthetics and safety of the building

Building exterior walls are subject to erosion by rain and wind and rain all year round. Therefore, this requires that our building exterior materials themselves have the ability to withstand severe weather, and we all know that the perennial rain and erosion will cause A large amount of moisture is absorbed in the building exterior wall material, and then the wall surface is raised. After exposure to the sun, some wall skins fall off. This will not only affect the aesthetics of the building itself, but also There will be certain security issues. The waterproof design of the external wall can not only resist the erosion of the wall by rain, but also prevent the entry of a large amount of water. Without the erosion and entry of water, the phenomenon of "bubbling" the wall and the wall skin will not be generated. Peeling improves the aesthetics of the exterior wall and also ensures the security of the exterior wall.