https://nerdgaming.science/wik....i/Cat_Flap_Installat
Professional cat flap installers will install your pet's door in either a door or wall. The latter is more secure since burglars cannot get through it. It also helps to prevent drafts and lowers your energy costs. The Tasker will mark the location of the cat flap on your door and then cut the corners. They will also sand down the edges of the frame to give it a smooth finish. Microchip cat flaps A microchip cat door is a simple and effective way to keep pets inside your home. It detects the uniqu