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The installation of a cat flap in solid uPVC door panels or double-glazed sealed units is much simpler than it may sound. If you don't have the proper tools or no experience, you'll need an expert. Follow this guide to learn how to measure, mark and cut the space in the uPVC panel for your cat flap. Additionally, learn how to make it weather and draft resistant. Safety A upvc door with cat flaps is a great method to keep your pe