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It is possible to fit a cat flap in a upvc door panel or double glazing glass sealed units however the best choice is to purchase a brand new pane of glass with an already-made hole. Take note of the instructions that will be included with the kit for cat flaps, and follow them carefully. Make sure depicts the shape (circle or square). Safety If you have a cat or dog and want to let them in the garden without opening the door A microchip activated pet flap inside your door panel made of upvc is a fantastic option. This will onl