How to maintain the outer wall seepage of old houses?

Water seepage in the outer wall of old houses is a common problem, which will cause great damage to the building if it is not maintained in time. The following is the maintenance method of water seepage on the outer wall of old houses.

1. Determine the cause of water seepage: Before maintenance, it is necessary to determine the cause of water seepage in the wall. Common causes include cracks, water seepage, rainwater pipe blockage, etc. Only by finding the reason can we carry out targeted maintenance.

2. Repair: If water seepage is caused by cracks in the wall, it can be repaired by repairing. The specific operation is to mix the coating and filler, fill in the gap, dry and polish.

3. Re-waterproofing: If it is water seepage caused by wall infiltration, it needs to be re-waterproof. It can be treated by surface coating or sticking waterproof film, and then repainted.

4. Replace the rainwater pipe: If the rainwater pipe is blocked, it needs to be replaced. It can be replaced by pipes such as PVC rainwater pipes, and the pipes can be hermetically connected with the wall.

In a word, the seepage of the outer wall of the old house is a problem that needs timely maintenance. The above are several common maintenance methods. It is recommended that the owner choose a regular organization for maintenance to avoid further damage.