https://kock-bondesen.thoughtl....anes.net/upvc-door-p
https://notes.io/w5Lr4
Cat flaps let your cat go in and out as they please without you needing to let them in or out. They can also help prevent your cat from peeing in the house. Installing a cat flap on a upvc door panel is much easier than in a glass door, however it does require some skills and the proper tools. Measure the Door Installing a cat door into the front door is difficult, but provided that the cat flap is the right type and you follow the guidelines, it shouldn't be too difficul