https://output.jsbin.com/tiqalinula/
https://telegra.ph/Cat-Flaps-F....or-French-Doors-11-0
You're tired of having to get up to open the door to your pet. A cat flap could be the answer. Pet-flap fitters can install them into any kind of door including uPVC or composite doors. They can also fit them into some types of walls. Security Cat flaps are typically installed on doors, but many also install them in windows or double-glazed doors. If you don't have a wooden door or wall, having one installed into glass is a great idea. It's an excellent option for renters. You'll need a gla