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UPVC/PVCU, a material resistant to fire and UV rays and is environmentally friendly. It is also highly insulated which helps reduce heating costs. It's an excellent choice for homes in areas that have extreme weather conditions. Fitting a cat door into Upvc is fairly simple. Follow the directions that are included in the kit you buy. Benefits UPVC door panels are extremely flexible and can be fitted into a variety of frames. They are also resistant against