Parents have a double glazed unit, main window (guesstimate 1700x600mm) with two top hinged narrow windows across the length above. Closed the top window above resulting in a full height crack in the...
A large window, about 6' x 5' which faces south, is letting a lot of moisture inside, probably due to all the very hot sun on it over the summer. Has anyone tried the new? thing advertised, seems like...