https://dev.to/capchance59/ins....talling-a-upvc-door-
https://squareblogs.net/condor....fight81/back-door-wi
A cat flap-style door allows your pet to go outside and then come back inside without you needing to open the doors for them. They are available in varying sizes to fit dogs and cats and come with features that help to keep out unwanted critters or draughts. Introduce your pet to the door before installing it. It will be easier to familiarize them with the shape, size and movement. Easy to install Cat flaps are found in different locations. Yo