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uPVC panels are a durable and long-lasting alternative to composite doors. They are durable, efficient and resistant to fire. They are also inexpensive and easy to maintain. The most convenient way to insert a cat flap into a uPVC panel is to order a replacement double glazed sealed unit that has a pre-made hole for the flap. This is much more secure than cutting holes 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 are also ene