https://mozillabd.science/wiki..../Back_Door_With_Cat_
The installation of a cat flap in solid uPVC door panels or double glazed sealed units is much simpler than it may sound. If you don't possess the right tools or have no experience, you'll need a professional. This guide will show you how to mark the, measure and cut the cat flap area on the uPVC panel. Also, how to make the flap weatherproof and draft-proof. Safety A upvc door panel with cat flaps is a great option to ensure your pet's security while allowing them to move freely. These panels can be constructed from recycle