https://articlescad.com/cat-fl....ap-fitting-near-me-2
If you keep your cat's flap open, it may create a draft. This is a frequent issue experienced by cat owners. A draught excluder can to reduce cold air coming into the house, but the cat flap with insulation will provide greater protection against the elements. Tomsgates has a range of cat flaps that are insulated and dog doors that are suitable for any kind of installation including wall installations. The Material One of the most important aspects of a cat door is its insulation. This is what keeps cold air out and warm air