Recent content by Mach9

Thanks all for suggestions. My son is actually away at Uni at the moment, so I can't blame his breath! First stop, I will take a look at that fillet of mortar again and see if replacing that addresses it. If not something will see if I can work out about cold bringing.

Hi All, There is bad damp round my son's bedroom window and it has me stumped. It runs across the top and down both sides and it bad enough it gets mouldy and the paint flakes off. There was crumbling mortar on the outside above the frame which I thought might be the cause, but filling that...