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uPVC panels are a long-lasting and long-lasting alternative to composite doors. They are strong energy efficient, durable, and are resistant to fire. They are also inexpensive and easy to maintain. The purchase of a double-glazed, sealed unit that has already cut a hole for the cat flap is the most convenient method of installing the cat flap on a uPVC sheet. This is more secure than cutting a hole through an existing glass panel. UPVC doors are easy to maintain Unlike traditional wooden doors, uPVC doors don't requi