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Poor sealing is the main cause of leaking Windows. The wall thickness of some doors and Windows profiles on the market does not meet the requirements of the code, which produces serious deformation, tensile cracking or glass breakage under normal wind load, reducing the air tightness and water tightness of doors and Windows.

When purchasing doors and Windows, the wall thickness of the profiles should reach the international standard of 1.8mm or more to strengthen the ability to resist wind pressure. The cavity should be equipped with a multi-channel sealing design and drainage system to effectively resist wind and rain. The sealing strip is anti-aging, high temperature and corrosion resistant to achieve the effect of watertight.

Clogged drainage holes are also one of the common causes of leaking Windows. If the position of the drainage holes is too high or dust particles accumulate, the rain in the window slots will be full, causing the wall and floor to be damp.