https://elearnportal.science/w....iki/Why_Install_a_Do
Are you tired of having to get up and down to open the door for your pet? If so, a cat flap could be the answer. Pet-flap fitters can put them into any kind of door, including uPVC or composite doors. They can also put them in certain types of walls. Security Cat flaps are usually used to cover doors, however many also have them installed on 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 also a great option for renters. It will require