https://nerdgaming.science/wik....i/How_to_Install_a_U
Cat flaps allow your pet to move around whenever it pleases. You can choose a locking flap to keep other cats and animals from entering your home. Installing a cat flap to the bifolding door is feasible provided that the door is made from toughened glass. The frame must not be damaged or rotten. The procedure is basically the same as installing a cat flap in the case of a wooden or uPVC door. Easy to install Install a cat flap onto your bifold door, allowing your pet to go in and out of the house without needing