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A door made of upvc that has a cat flap can help to reduce the amount of draughts that enter your home. By keeping your pets in and cold air out you will save money on heating bills. While it is possible to install a cat flap on both upvc and double glazing sealed units, it can be more difficult than installing timber doors. This is due to the fact that there are different thicknesses of upvc. Benefits A cat flap that is attached to your door is a fantastic way of keeping your pet in or out of the home while still allowing people in. It also helps k