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A upvc-clad panel with a flap for cats can help to reduce the amount of draughts that your home experiences. By keeping your pets in and keeping cold air out, you can save money on heating bills. It is possible to install an opening for a cat flap in both upvc panels and double glazing glass sealed units however it is more difficult than timber doors. This is due to different thicknesses of Upvc. Benefits Having a cat flap fitted to your door is a great method