Insufficient implementing and assembling of window – cause for molding
If unprotected insulation does not fill up the slot between window and wall and window and parapet along all around the window, the temperature can decrease under the point of condensation and steam can be converted into water what leads to the creating of mold. As aftereffect there can be a swollen mural and it is falling off, staining of mural, they are a cause of molding as well.