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It is easier than you think to install the cat flap on a solid uPVC panel or a sealed double-glazed unit. However, if you don't have the proper equipment or know-how, you'll require the assistance of an expert. This guide will show you how to mark the measurement, cut and mark the cat flap area of the uPVC panel. Additionally, learn how to make it weather and draft resistant. Safety A upvc panel that has the flap for cats is a great way to keep your pet secure while