https://dev.to/lindayoke95/cat....-flap-installation-c
Double-glazed cat flaps let your pet to go in and out of the home without restriction. This can ease anxiety, enhance their sense of freedom and encourage active play and exploration. It can be installed into new uPVC windows and doors, and the pet flap hole is cut at the time of manufacturing. It should not be installed into existing tempered glasses. Cost It's important to take into consideration the cost of installation when deciding whether you want to install a cat-flap on your double glazing. The cost of installat