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UPVC/PVCU, a material resistant to fire and UV rays and is environmentally friendly. It's also extremely insulated and can lower heating expenses. It's an excellent choice for homes that are located in areas that have extreme weather conditions. The installation of a cat flap onto the door made of upvc is straightforward. Follow the directions that should be included with the kit you purchase. Benefits UPVC door panels are highly flexible and can be fitted into a variety of frames. They are also resistant again