5 Tips about sash window draught proofing You Can Use Today
Meeting Rails: This is where the highest and base sashes overlap. Even a 1–2mm gap listed here can allow for chilly air to snake via, In particular on windy evenings.Less than a quarter of the warmth dropped by a standard conventional window escapes by conduction throughout the glass. The rest is air leakage as draughts.Large thermal curtains -