https://securityholes.science/....wiki/Choosing_Cat_Fl
Double-glazed cat flaps allow your pet to enter and exit the house without restriction. This can help reduce anxiety, boost their sense of freedom, and encourage active play and exploration. The pet flap hole can be cut during the manufacturing process and later put in new uPVC doors and windows. But, it shouldn't be fitted into existing tempered glass. Cost It's important to take into consideration the cost of installation when deciding whether you want to install a cat-flap into your double-glazing. The cost of installat