https://click4r.com/posts/g/18....397429/how-to-instal
Are you fed up with having to get up and down to open your doors to let your pets in? A cat flap could be the answer. Pet-flap fitters can install them in any type of door including uPVC or composite doors. They can also install them into some types of walls. Security Cat flaps are often installed on doors, but many install them in windows or double-glazed doors. A glass-based cat flap is a great option for those who don't want to cut through a wooden or wall door, and it's the ideal solution for those who