https://blogfreely.net/kisssoa....p8/installing-a-upvc
If you have a cat or dog installing a pet flap inside your French or patio doors is a good idea. It makes it easy for them to get in and out without you needing to open the door. There are many options for cat flaps designed to be used with uPVC wooden or composite doors. Some come with a four-way locking system that can be set to exit only or in-only. Installation Cat flaps are an excellent way to allow your cat access into and out of your home without having to open the front door each time. This is particularly b