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uPVC door panels offer a long-term solution to composite doors. They are strong energy efficient, durable, and resistant to fire. Additionally, they are cost-effective and easy to maintain. The most convenient way to insert an animal flap on a uPVC panel is to purchase a replacement double glazed sealed unit with a pre-cut hole for the flap. This is much more secure than trying to cut holes in an existing glass panel. UPVC Doors are easy to maintain Unlike traditional wooden doors, uPVC doors don't require frequent paintin