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uPVC panels are a durable and long-lasting substitute for composite doors. They are durable, efficient and resistant to fire. They are also inexpensive and easy to maintain. A double-glazed sealed unit with an opening already cut for the cat flap is the easiest method to install the cat flap on a uPVC sheet. This is much more secure than trying to cut a hole in an existing glass panel. UPVC Doors are easy to maintain Unlike traditional wooden doors, uPVC doors don't require frequent painting or sanding. They also use less