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Installing a cat flap on solid uPVC door panels or double glazed sealed units is much easier than it seems. If you don't possess the right tools or have no experience, you'll require the help of the help of a professional. This guide will show you how to mark, measure and cut the cat flap area of the uPVC panel. Additionally, learn how to make the flap weatherproof and draft resistant. Safety A door made of upvc with a cat flap is an excellent option to e