Residents use improper, the decoration process of the wall, shaking the external wall causing empty drum, cracks, resulting in water seepage.Because of the uneven foundation settlement, hot and cold changes and other causes, resulting in different degrees of cracks in the wall.This is a inevitable phenomenon after a certain period of time.Cracks between exterior wall frame beams, columns and walls.This is due to the construction, the spacing between the column and the wall is not standard.Gap between the window and the wall.In the process of wall masonry, the window reservation is generally slightly larger than the window frame itself, so there will be different size gaps around the window frame.The outer wall is not set or the partition joint is not appropriate, resulting in empty drum, destroy the waterproof function of the coating layer.The fine waterproof part of the protruding outer wall components is not treated properly.At present, the exterior wall protruding from the wall lines, the cantilever plate members gradually increase, various forms, to bring difficulties to the construction operation, and to bring hidden dangers to the wall waterproof.

Water leakage water seepage

The above is the cause of water seepage in the external wall, and we should try to avoid the damage to the external wall. If water seepage occurs, please find a waterproof leakage company.