Foam insulation is very effective in the development of a super tight building enevelope. It will stop air leakage and enable more total control of the interior living space. This present potential pr ... read more
Hello Linda,
Yep, looks like the seal has failed on your 1/2 circle top window, as well as the grids having collapsed. Easiest and most cost effective way for you handle this is to find a glass repla ... read more