https://jsfiddle.net/guiltyplow7/pmwy3urj/ https://muir-ellison.thoughtlanes.net/window-with-cat-flap-1729993656 A cat flap can cause a draught if it's left open. This is a problem that many cat owners face. A draught-excluder can reduce the amount of cold air entering the house. However the cat flap offers better protection against the elements. Tomsgates offers a selection of cat flaps that are insulated and dog doors suitable for any type of installation including wall installations. The Material Insulation is among the most important characteristics of the cat-door. This is what will keep cold air out and warm air in. There are a number of ways that insulation can be created however the most important thing is the material that the flap is constructed from. Doors with triple or double flaps provide better insulation and stop cold air from entering your home. You can also purchase draught excluders that fit around the frame of the cat flap and help to reduce drafts. Be that they will not prevent cold air from entering your home, if you're trying to open the door to let your cat in. Another alternative is to fill the space left by your cat's flap with some form of insulation, like styrofoam. This will prevent cold air from entering into your home, and also reduce the noise generated by your cat when they use their pet door. It is important to note that if you decide to do this, it is essential to gauge the hole your cat's flap has made and select a filler material that is in line with the surrounding material. An excellent choice for a cat flap that has high levels of insulation is the RANGER pet door made by Freedom Pet Pass. The door has a thick and insulated seal, which reduces the loss of heat. It also has a sturdy magnetic seal to prevent cold air and wind from leaking through the flap. Its cellular PVC frame is 3,000X better in insulating properties than the aluminum material used in the frames of other pet doors. Wind Resistance If a cat flap is closed, col