https://botdb.win/wiki/Window_With_Cat_Flap
Cat flaps allow your pet to move around whenever it pleases. You can also opt for an enclosed cat flap to stop other cats and animals from gaining access to your home. You can put the cat flap on bifold doors, so long as the panel is constructed of toughened glass and the frame isn't damaged or rotten. The procedure is basically the same as installing one in the case of a wooden or uPVC door. Easy to install Install a cat flap on your bifold door to allow your pet to exit and enter the home without needing to open or close the door. This is b