https://yamcode.com/cat-flap-double-glazing-141
If you're planning to put in a cat flap inside your home, it is recommended to hire a professional tradesperson. DIY projects typically result in poorly fitted pet flaps that can let in draughts or increase energy costs. SheffLOCK is able to put cat flaps on all types of doors, including wood, glass, uPVC composite and even exterior walls. It takes around 2 hours to install a cat flap. Cost of pet flap A pet flap permits your cat to go and come whenever it wants. If the flap isn't fitted correctly, it can allow heat to escape from your ho