https://telegra.ph/Window-With-Cat-Flap-10-31
https://squareblogs.net/crowco....ffee04/upvc-door-pan
https://nelson-broch-2.mdwrite.....net/cat-flap-instal
uPVC door panels offer a long-term solution to composite doors. They are strong, energy efficient, and resistant to fire. They are also reasonably priced and easy-to-maintain. The easiest way to fit an animal flap on a uPVC panel is to purchase an additional double-glazed sealed unit with a pre-cut hole for the cat flap. This is safer than cutting a hole through an existing glass pa