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uPVC panels are a long-lasting and long-lasting substitute for composite doors. They are strong energy efficient and resistant to fire. Additionally, they are affordable and easy to maintain. The easiest way to fit the cat flap onto a uPVC panel is to purchase an extra double-glazed sealed unit that has a pre-made hole for the flap. 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 require frequent painti