https://www.openlearning.com/u..../jacobspovlsen-smf49
Installing a pet flap on your French or Patio doors is a good option if you have cats or dogs. It makes it easy for them to get in and out without you having to open the door. There are many options for cat flaps designed to be used with uPVC composite or wooden doors. Some even come with a four-way locking system that can be set to exit only by entering only the open position, or both. Installation Cat flaps can be an excellent way to let your cat go in and out of the home without having to open the door e