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The installation of a cat flap in solid uPVC door panels or double glazed sealed units is much easier than it sounds. However, if you don't have the appropriate tools or expertise, you'll require the assistance of an expert. This guide will teach you how to mark the measurement, cut and mark the cat flap on the uPVC panel. Also, learn how to make the flap weatherproof and draft-proof. Safety A upvc panel that has a cat flap is a great option to ensure your pet's security while allowing your pet to move