https://haastrup-morris-2.mdwr....ite.net/cat-flap-ins
https://telegra.ph/Cat-Flap-In....stallation---How-to-
https://posteezy.com/cat-flaps-french-doors-127
It's much simpler than you think to put the cat flap on the 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 help of professionals. Follow this guide to learn how to measure, mark and cut the area in the uPVC panel for your cat flap. Also, how to make it weather and draft resistant. Safety