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UPVC/PVCU, a material resistant to UV rays and fire and is also eco-friendly. It also has a high insulation which helps reduce heating costs. It's a great choice for homes located in areas with extreme weather conditions. Installing a cat door on a upvc is relatively easy. Follow the directions that come with the kit. Benefits UPVC door panels are extremely flexible and can be inserted into a variety frames. They also resist fire and UV radiation. They are therefore an excellent option for homes in areas that have extreme wea