https://dokuwiki.stream/wiki/Through_Wall_Cat_Flap
UPVC/PVCU, a material resistant to UV rays and fire and is environmentally friendly. It also has a high insulation which can reduce heating costs. It's an excellent choice for homes that are located in areas with extreme weather conditions. The installation of a cat flap onto the door made of upvc is straightforward. Follow the directions which should be included with the kit you purchase. Benefits UPVC panels are flexible and can be placed in a variety of frames. They are also resistant to UV radiation and fire. They are therefore a g