If your walls darken in a corner, it’s no coincidence: find out what it really means (and how to fix it)
Did you spot a little black spot in a corner of the wall? At first, we think it’s probably a little dust or a forgotten trace… and then the days pass, and this area widens, darkens, and sometimes a smell of mouldy begins to be felt. There’s nothing anodial about it. These marks are often … Read more