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A upvc-clad panel with a flap for cats can help to reduce draughts within your home. By keeping your pets warm and out of cold air, you will reduce heating costs. While it is possible to install a cat flap into both upvc and double glazing sealed units, it is more difficult than with doors made of wood. This is due to different thicknesses of upvc. Benefits Having a cat flap fitted to your door is a great way to keep your