My wall seems to have some sort of powder, but when I tried cleaning it, it disappears. What's happening to my wall? - Quora
![Planning to repaint the walls soon, but this weird chalky powder keeps forming on the old paint (been like this for several years). What should I do when repainting to ensure that Planning to repaint the walls soon, but this weird chalky powder keeps forming on the old paint (been like this for several years). What should I do when repainting to ensure that](https://i.redd.it/fqo7ioddbrr71.jpg)
Planning to repaint the walls soon, but this weird chalky powder keeps forming on the old paint (been like this for several years). What should I do when repainting to ensure that
![10 major reasons why your wall paint is peeling off according to the painting experts and waterproofing experts. 10 major reasons why your wall paint is peeling off according to the painting experts and waterproofing experts.](https://wet2drysolution.com/img/blog/ten-major-reasons-why-your-wall-paint-is-peeling-off-according-to-the-painting-experts-and-waterproofing-experts/wall-dampness-1.jpg)
10 major reasons why your wall paint is peeling off according to the painting experts and waterproofing experts.
![painting - How to stop the peeling of new paint that's not properly adhered to new drywall due to underlying spackle dust - Home Improvement Stack Exchange painting - How to stop the peeling of new paint that's not properly adhered to new drywall due to underlying spackle dust - Home Improvement Stack Exchange](https://i.stack.imgur.com/0WhUB.jpg)