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The UPVC/PVCU material is eco-friendly that is resistant to UV and fire. It's also highly insulated and can reduce heating costs. It's a good choice for homes in extreme climate zones. Installing a cat door on Upvc is fairly simple. Follow the directions that come with the kit. Benefits UPVC panels are flexible and can be placed in a variety frames. They also resist fire and UV radiation. This makes them a great option for homes located in extreme weather areas. Furthermore, they are econom