UPVC door panels provide an alternative for composite doors. They are durable, efficient and resistant to fire. They are also cost-effective 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 pre-cut hole https://www.repairmywindowsanddoors.co.uk/rochdale-cat-flap-installer-near-me/