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UPVC/PVCU is an eco-friendly material that is resistant to fire and UV. It is also highly insulated which can reduce heating costs. It's a good choice for homes in extreme climate zones. The installation of a cat's door into Upvc is fairly simple. Follow the steps that are included in the kit you purchase. Benefits UPVC panels are flexible and can be positioned in a variety frames. They are also immune to fire and UV radiation. They are therefore a good option for homes in areas with extreme weat