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uPVC door panels are a long-term solution to composite doors. They are durable, energy efficient, and fireproof. They are also affordable and easy to maintain. The purchase of a double-glazed, sealed unit with a hole already made for the cat flap is the simplest way to install the cat flap on a uPVC sheet. This is safer than cutting a hole into an existing glass panel. UPVC doors are easy to maintain Unlike traditional wooden doors,