Treatment method for peeling off the outer wall of the bathroom

It is also normal for the outer wall of the bathroom to fall off, mainly because the bathroom is damp for a long time, and it is easy to become blistered and peeled off, how to deal with it? If you want to save your worries, please call the professional construction team to do it directly, if you deal with it yourself, it is more troublesome, first to remove the outer skin, and then polish, and then continue to build waterproof paint, to brush a few more layers. Before painting, pay attention to the degree of wetness and dryness of the substrate.

The main reason for the peeling off of the outer wall of the bathroom is that the waterproof layer of the inner wall of the bathroom is not done well, and the water seeps into the outer wall through the wall, making the external wall damp and peeling.

Construction of the waterproofing layer:

1. Shovel off the original wall of the bathroom, expose the cement wall, clean the wall, and ensure the dryness of the construction surface.

2. Then brush the waterproof coating, you can choose a better quality waterproof coating, do not brush too thick each time, after brushing, there is a layer of waterproof film formed.

3. After the coating is completely dry, re-pave the tiles, so that the water on the exterior wall cannot seep into the interior. The specific steps to paint the wall are:

Water on the wall: The purpose of this is to wet the original wall.

Shoveling the wall skin: Remove the water-soaked part of the original wall until the cement mortar wall or putty layer is exposed.

Interface agent: The wall is painted with interface agent, and the interface agent must be brushed to the surface, and it must be brushed evenly.

Cracks: In general, use kraft paper tape and white latex to stick the cracks (but there is no guarantee that 100 will not crack again).

Leveling: uneven walls need to be leveled, general gypsum is more commonly used, and the uneven difference is better than centimeters.

Sticker: Generally, non-load-bearing walls such as light walls and thermal insulation walls need to be pasted, try to choose a better texture of wall cloth and white latex, if there is a condition, you can use mesh cloth, the relative anti-crack effect will be better.

Batch scraping putty: it is better to choose putty with higher particle fineness and harder texture, and you can also add a certain amount of white latex to the putty, which can improve the hardness of the putty.

Grinding: Try to use finer sandpaper, generally softer putty (such as 821) with 400-500 sandpaper, harder texture (such as wall lining, easy to quack) with 360-400 is better, if the sandpaper is too coarse, it will leave a deep sand mark, and the paint can not be covered. After sanding, the wall must be thoroughly cleaned to avoid too much dust and affect the adhesion of the paint.

The difference between bumps and bumps does not exceed 3 mm.

9. Maintenance: The latex paint will dry 4 hours after brushing, but the dry paint film has not reached a certain hardness, and there should be no scrubbing or any contact with the wall within 7-10 days.

Summary: The bathroom should be kept ventilated and dry, and the wall will also peel when the wall is damp.

Shovel off the original wall of the bathroom, expose the cement wall, clean the wall, and ensure the dryness of the construction surface, choose a better quality waterproof coating, do not brush too thick each time, after brushing all over, there is a layer of waterproof film formed, after the coating is thoroughly dried, and then re-pave the tiles, so that the water of the exterior wall can not seep into the room.

When carrying out waterproof construction in the bathroom, in order to avoid the waterproof coating at the intersection of the wall glue and other communication places is not painted in place, when we fully paint the waterproof material, you can use waterproof mortar to do waterproofing first, and try to avoid water leakage in the corners and weak parts of the pipe. When applying waterproof coating, the waterproof paint should be painted 2 to 3 times, and the height of the wall painting should meet the requirements of the specification.

Precautions for bathroom decoration construction.

Users need to pay attention to the toilet waterproofing is divided into two situations, one is the toilet with the same floor drainage, the other is the toilet with non-same floor drainage, the toilet with the same floor drainage has one more waterproof procedure than the toilet with non-same floor drainage, and the toilet with the same floor drainage should be waterproof before there is no backfilling, and the height can be flush with the ground.

Users need to pay attention to the wall tiles to do a good job of moisture-proof and waterproof, and to ensure that the tiles are flat, and to be jointed and aligned with the floor tiles, in order to ensure the overall sense of the wall and the ground, if the water supply pipeline exit, the incision of the tile should be small and appropriate, so that the flange cover on the water feeder covers the incision, so that the appearance is perfect.

The above content refers to People's Daily Online - Four steps to get the wall renovation Experts recommend not to turn on the air conditioner during construction, People's Daily Online - Decoration of the bathroom, how to choose waterproof coatings?

You are not doing a good job of waterproofing the bathroom, and the cement when tiling is not full, so it is a little bit of water seeping into the outside. Brush a layer of resin glue on the wall to lock the wall without peeling.