https://pilgaard-jespersen.mdw....rite.net/through-wal
A cat flap could cause a draught if left open. This is a frequent issue encountered by cat owners. A draught excluder can help minimise cold air entering the house, but a cat flap with insulation will provide more protection from the elements. Tomsgates offers a variety of dog doors insulated and cat flaps that work for any type of installation including wall-mounted installations. The Material One of the most important aspects of the cat door is its insulation. Insulation keeps cold air out and warm in. Insulation