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Installing a cat flap on solid uPVC door panels or double-glazed sealed units is much easier than it sounds. However, if you don't have the proper equipment or know-how, you'll require the assistance of an expert. Learn how to measure and mark the area of the uPVC panel to make your cat flap. Additionally, learn how to make the flap weatherproof and draft resistant. Safety A upvc door with cat flap is an excellent option to ensure your pet's safety and still allow them to move freely. These panels can be constructed from recycled materials and requi