https://blogfreely.net/fatherm....imosa10/cat-flap-ins
https://ellison-mccurdy.techne....tbloggers.de/upvc-do
If you're planning to put in a cat flap inside your home, it is best to employ a professional tradesperson. DIY projects typically result in poorly fitted pet flaps that allow in drafts and cause more energy costs. SheffLOCK can be installed as a cat flap in most kinds of doors, including wood composite, uPVC, composite, glass doors and even external walls. It takes approximately 2 hours on average to put in the new cat flap.