https://botdb.win/wiki/Cat_Fla....p_Installation_How_t
It is recommended to hire an expert to install a cat flap in your home. DIY projects typically result in poorly fitted pet flaps, which can let in drafts and cause more energy costs. SheffLOCK is able to put a cat flap on most kinds of doors, including wood, glass, uPVC composites and even exterior walls. It takes about 2 hours on average to put in the new cat flap. The cost of the pet flap A pet flap is a great method to allow your cat to leave and come as it pleases. If the flap isn't properly installed