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The UPVC/PVCU material, which is resistant to UV rays and fire, is eco-friendly. It's also extremely insulated, which can help lower heating expenses. It's a good choice for homes located in extreme weather zones. The installation of a cat flap onto the door made of upvc is easy. Follow the steps which should be included with the kit you buy. Benefits UPVC panels are flexible and can be placed in a variety of frames. They also resist UV radiation and fire. This makes them a good option for homes in harsh cli