https://securityholes.science/....wiki/Cat_Flap_Fittin
Double-glazed cat flaps let your pet to move around the home without restriction. This can reduce anxiety, enhance their sense of freedom and encourage play and exploration. It can be put in new uPVC doors and windows and the pet flap hole is cut at the time of manufacturing. But, it shouldn't be installed into existing tempered glass. Cost If you are considering installing an animal flap on your double-glazed windows, you need to consider the cost of installation. It will depend on the type of door you select and how much wor