Wall resurgence: how to deal with it?

The problem of wall moisture regain is a headache for many homeowners. Wet wall not only affects the living environment, but also may cause more problems. So, what should we do when there is moisture regain on the wall? This article will provide you with a solution.

Slight moisture regain treatment

For slight moisture regain, we can wet the towel with alcohol and then gently wipe the wall. After the wall is dry, polish it with fine sandpaper and coat it with a layer of moisture-proof agent, and finally repair the wall latex paint.

Severe moisture regain treatment

If the resurgence is serious, we can wipe the wall with bleaching powder and then wipe it with clear water. After the wall is dry, apply a layer of waterproof material, and finally repair the wall.

Cause analysis of moisture regain

There are two reasons for the resurgence of the wall: first, the waterproof work in the bathroom is not in place, especially the height of the bathing area is not up to1.8m; Second, the cement label used by developers to build houses is not up to standard, which makes the wall easy to absorb moisture.

Moisture-proof and waterproof material

In order to prevent the wall from getting wet, we can use the following materials: damp-proof board and waterproof mortar. Waterproof materials are added to the moistureproof board during processing, which is suitable for places with high humidity; Waterproof mortar is a material with both plastering and moisture-proof functions, and the plastering thickness should reach15-20 mm.

Reduce humidity

Facing the high humidity at home, we can adopt some simple methods to reduce the humidity. For example, use quicklime, buy an air dehumidifier or open doors and windows for ventilation on sunny days.