https://www.openlearning.com/u..../beattymoon-smm73n/b
https://writeablog.net/shortsa....rt35/fitting-cat-fla
uPVC panels are a long-lasting and long-lasting substitute for composite doors. They are durable, effective and resistant to fire. In addition, they are affordable and easy to maintain. The most convenient way to insert the cat flap onto a uPVC panel is to buy an additional double-glazed sealed unit with a premade hole for the flap. This is much safer than trying to cut a hole in an existing glass panel. UPVC doors are easy to maintain Unlike