I would use a clear sealant mastic and fill the gaps around the walls to the
As for the damp comming through the concrete floor there is no real
effective way to prevent that sorry,you could try a heavy duty floor paint
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!