retrofit

The house I bought at the end of last year has had an extension built around 2-3years ago, however it seems when they built it they failed to fit a cavity tray. We're getting damp patches forming right underneath the lintel and on the edges of the wall that support the lintel. We've been told...

Hi All, Apologies if this is roof construction 101. I recently bought an old house and the garage has zero roof insulation. The roof consists of the timber frames, battens, nails & tiles. I would like to add a membrane and insulation without dismantling or redoing any of the existing roof...