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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. You can save money by keeping your pet inside and letting the cold air out. It is possible to install an opening for a cat flap in both upvc panels and double glazing glass sealed units, however it can be more difficult than with timber doors. This is because there are different thicknesses of upvc. Benefits A cat flap that is attached to your door is a great way of keeping your pet in or out of the home but st