https://scientific-programs.sc....ience/wiki/Cat_Flap_
is best to hire an expert to install a cat-flap in your home. DIY projects typically result in poorly-fitted pet flaps that allow in drafts and result in higher energy bills. SheffLOCK can be installed as the cat flap into all kinds of doors, including wood, uPVC, composite and glass doors, as well as external walls. It takes approximately 2 hours to put in the new cat flap. Cost of pet flap A pet flap is a great method to allow your cat to leave and come at will. If the flap is not installed correctly, it coul