Causes of bubbles on indoor walls:
Because the moisture in the wall base is too high, the pressure generated when the moisture diffuses outwards bulges the paint film, thus producing bubbles. This situation usually occurs when inferior products are used on the walls.
No waterproofing treatment was done during civil construction, which resulted in rainwater entering the base on the other side of the wall through cracks or unpainted base surfaces, or water leakage, which destroyed the wall paint film when spreading. .
The base putty on the wall is mainly made of gypsum powder, talcum powder, and shuangfei powder. It will expand when exposed to water, resulting in the appearance of bubbles on the wall. This is especially the case on exterior walls. .
Solution to air bubbles on indoor walls:
In order to prevent air bubbles from appearing on indoor walls, construction regulations must be followed during decoration, the base waterproof layer of the wall must be well prepared, and the wall must be Repair cracks in the base. After decoration, the wall cannot be air-dried quickly and must be dried in the shade to prevent the paint from completely drying inside. In addition, it is necessary to ensure that the moisture content of the wall base meets the construction requirements, and if necessary, add a layer of paint to local areas to prevent rainwater from penetrating.
When bubbles appear on the wall, you should first remove all blistering and peeling parts. However, if the problem is caused by putty on the base of the wall, you need to remove the putty and choose a suitable putty. Scrape and do it again.
Bubbles on the wall are eye-catching and must be maintained on a daily basis. In daily maintenance, you must always check whether there are leaks in the water pipes entering the wall. If leaks are found, they must be dealt with immediately to avoid water vapor from softening the putty and wall paint, causing the wall paint to bubble, which will make you regret it.
Wall construction should avoid painting during the rainy season. Primers of the same brand and product series can be used for painting.
For localized wall blistering, you can only scrape off part of the wall and smooth the edges of the scraped part, then apply primer and paint again; if it is a large area of ??blistering, then All must be scraped off and construction can be carried out until the wall is completely dry.
Blistering on walls is common in daily life, so owners must do daily preventive work. If you see slight bubbles on the wall, you must deal with them as soon as possible to avoid expanding the blistering area.