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It's much easier than you think to put the cat flap on the solid uPVC panel or a sealed double-glazed unit. If you don't have the right tools or experience you will require the assistance of professionals. Follow this guide to learn how to measure and mark the area in the uPVC panel to make your cat flap. Also, how to make it weather and draft resistant. Safety A upvc panel that has the flap for cats is a great solution to keep your pet secure and still allow your