(A) the characteristics of water: water is pervasive, and it by wind pressure, convection, impact, adhesion, capillary and other forces, and gradually infiltrated the building interior, and the penetration process is not easy to find from the surface.
WPC Solid DeckingIn other words, to find the cause of leakage must be in-depth "visceral" analysis to determine the right remedy.
(B) of the water and water vapor pressure changes: Once the infiltration of water to the building inside, in a limited space, such as the sun a sun,
WPC Flower Boxgenerate heat, the formation of water vapor, which produce a lot of water vapor pressure sufficient to destroy the original Waterproof layer, and even the surface of the decoration and decoration materials (for example, paint off, wallpaper black, tile bulging, wooden floor bulging) In other words, a unit of water, if all become steam, Inside the limited space inside the material, it produced a 1240 times the pressure, this
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