Causes and treatment methods of external wall leakage

Whether at home or at work, it is very troublesome if the external wall leaks: the problem of water seepage will directly damage the decoration effect. When it rains, the rain will seep into the room along the cracks, resulting in damp and moldy walls.

Causes of external wall leakage

The causes of external wall leakage include structural surface and decorative surface. On the structural surface, the joint between brick masonry and shear wall is cracked, the quality of putty on the external wall is defective, the garbage at the root of the wall and the concrete baffle are not cleaned up, and the hole of the structural float rod leaks. In terms of decorative surface, the brick lacks edges and corners, the decorative surface is not full, the marble is not sticky, and there are omissions.

Maintenance method of external wall cracking

The maintenance method of external wall cracks is to chisel the cracks at the grass-roots level into a "V"-shaped groove, the upper mouth of which is 20mm wide, and brush it clean, then brush it for waterproofing and mortar recovery.

Maintenance method of decorative surface

The maintenance methods of decorative surface include erection, hanging rope, hanging blue inspection, cement mortar brick replacement and jointing, cutting marble glue, re-gluing, watering or rain observation.

Maintenance method of water seepage in trowel rod hole

The maintenance method of trowel pole hole seepage is to fill it with waterproof mortar or cement to restore the decorative surface.