THE FACT ABOUT SASH WINDOWS THAT NO ONE IS SUGGESTING

The gaps close to a standard single sash window can insert up on the equivalent of 6 square inches. Our casement window and sash window draught-proofing service will help cut down draughts, dust, Dust, and sound from flooding into your house.And draught proofing the beads you could insert far more glazing. They are in essence a second window at the