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The UPVC/PVCU material is eco-friendly that is resistant to fire and UV. It is also extremely insulated which can reduce heating costs. It's a great choice for homes in areas with extreme weather conditions. Fitting a cat door into a upvc is relatively easy. Follow the instructions that come with the kit. Benefits UPVC panels are flexible and can be installed in a variety of frames. They also resist fire and UV radiation. This makes them an excellent option for ho