How Improved insulation for sash windows can Save You Time, Stress, and Money.
Lower the V-strip materials into two strips the size from the sash, as well as an extra inch for both sides. You’ll also need to Minimize strips for The underside in the inner sash and the top of your outer sash.a draught coming though your windows? You could possibly restore your present windows rather then exchange them. The Sash Window Works