https://duckseal5.bravejournal.....net/adding-a-cat-fl
https://telegra.ph/Fitting-a-Cat-Flap-10-23-14
uPVC panels are a durable and long-lasting alternative to composite doors. They are strong energy efficient and are resistant to fire. They are also reasonably priced and easy to maintain. Ordering a double-glazed sealed unit with already cut a hole for the cat flap is the simplest method to install an animal flap inside a uPVC sheet. This is more secure than cutting a hole through an existing glass panel. UPVC Doors are easy to maintain Unlike traditional wood