Problem 1: The cracking of the paint layer is mostly due to the quality of latex paint, or unfortunately it has just been brushed and has not dried out before it has cooled.

Solution: The repair difficulty is easy level, just shovel off the wall skin and repaint the primer and topcoat.

Problem 2: The most common case of putty layer cracking, a crack in the wall at home is generally a putty layer cracked. There are also many reasons for putty cracking, such as poor quality putty, or brushing the second time the putty is not dry in the first pass...

Solution: Refill putty, then primer and topcoat. If you want to make it simpler, just buy wall paste (which is actually a putty) and wall paint. The method of mending the wall is very simple: 1> shovel off the cracked and peeled wall surface and apply the wall patching plaster. 2> Sit and wait for the wall paste to dry; 3> Use sandpaper to polish and smooth the wall; 4> Apply wall paint twice.

Problem 3: Cracking of mortar layer is relatively rare, but it is not impossible. Normal shrinkage of cement mortar, or improper construction by the master, may cause it to crack later.

Solution: Directly paste the good cloth for small area cracking, and then repair the wall layer by layer according to the normal process. Large-scale cracking, it is necessary to shovel off the cracked mortar layer and refill it.

Problem 4: The cracking of the base wall is caused by uneven settlement of the foundation, earthquakes and other reasons, and a very obvious large crack can be seen with the naked eye.

Suggested solution: In this case, we ordinary people are powerless, and we need to find professional construction personnel to inspect the site and formulate corresponding measures.

Problem 5: The wall is damp and peeling, and another situation is the most common, which is that the wall at the bathroom door peels and molds. Obviously, this is caused by the bathroom waterproofing was not done in the first place, and the moisture was too heavy.

Solution: To solve the problem at its root, you must do the following three steps

1> Shovel the original wall of the bathroom until the cement wall is exposed, and clean the wall, while also ensuring that the construction surface is dry.

2> Then brush waterproof paint, it is recommended to choose a good quality waterproof coating, and do not brush too thick each time, and after brushing 3-4 times, a layer of waterproof film will be formed.

3> Wait for the waterproof coating to dry thoroughly before re-laying the tiles, so that the water in the bathroom cannot penetrate the room.