: Look for "triple-weave" labels, which indicate three layers of fabric woven together to create a dense thermal barrier. Backings and Linings :
: Floor-length curtains provide the best insulation by creating a complete barrier. If using sill-length, ensure they overlap the sill by at least 15–20cm. buy thermal curtains online
: Aim for 1.5x to 3x the width of your window frame. This ensures rich pleats that "seal" the window edges. : Look for "triple-weave" labels, which indicate three
Gaps at the top, bottom, or sides let heat escape, so "oversizing" is better than a tight fit. : Look for "triple-weave" labels