https://digitaltibetan.win/wik....i/Post:Cat_Flap_Inst
You're tired of having to stand up to open the door for your pet. If this is the case, a cat door could be the solution. Pet-flap fitters can put them in any type of door that is available, including uPVC or composite doors. They can also be installed in some types of wall. Security Cat flaps are often fitted to doors, but many install them in windows or double-glazed doors. The installation of a cat flap into glass could be a good choice when you don't want cut through a wall or wooden door, and it's the ideal solut