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A upvc door panel with cat flaps can help reduce draughts in your home. By keeping your pets warm and cold air out you will reduce heating costs. Although it is possible to install a cat flap on both upvc and double glazing sealed units, it can be more difficult than installing doors made of timber. This is because upvc is available in various thicknesses. Benefits A cat flap that is installed on your door will allow you to keep your pet inside or outside the house, while still let other people in. helps keep out u