Sash Window Repair Sash windows could be out of balance or even break. Pam is on the lookout for salvaged waving glass, wavy and is always looking for the sash weights that are discarded, made of metal. She then looks for replacements, like nuts or washers, to balance her window. https://www.repairmywindowsanddoors.co.uk/dunstable-windowrepair/