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It's much 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 appropriate tools or expertise, you'll require the assistance of professionals. Learn how to measure, mark and cut the area in the uPVC panel to make your cat flap. Also, how to make it weather and draft resistant. Safety A upvc panel with an enclosed flap for cats is a great option to ensure your pet's safety and still allow him or her to move freely. These panels are made from recycled m