the damp tray has failed or was not installed, this is a plastic sheet that is installed above a window or door in the wall to divert any water that penetrates the outer skin of the wall and diverts it to the outside. A section of wall needs to be removed above the window, and the damp tray inspected for damage or install a new one
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!