LITTLE KNOWN FACTS ABOUT SASH WINDOW DRAUGHT PROOFING.

Their ingenious balanced design can make sash windows far more complex than the humble casement window, that's hung on hinges and swings opens similar to a door.Just how a window opens will have an effect on the best way to draught evidence. Casement types are typical – these tend to be facet hung and swing open like a door. Sash windows have two