https://clinfowiki.win/wiki/Po....st:Using_uPVC_Cat_Fl
https://pattern-wiki.win/wiki/....Fitting_Cat_Flap_in_
Fitting a cat flap into solid uPVC door panels or double-glazed sealed units is much easier than it sounds. However, if you don't have the appropriate equipment or know-how, you'll need to employ an expert. Learn how to measure and mark the area in the uPVC panel to make your cat flap. Also, how to make the flap weatherproof and draft-proof. Safety A upvc panel with a cat flap is a great way to ensure your pet's security and still allow the pet to mov