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Double glazing cat flaps allow your pet to go in and out of the home without restriction. This can ease anxiety, boost their sense of freedom, and encourage active play and exploration. It can be fitted into new uPVC windows and doors, and the pet flap hole is cut at the time of manufacturing. But, it shouldn't be fitted into existing tempered glass. Cost It is important to take into consideration the installation cost when deciding whether you want to install a cat-flap into your double glazing. The cost o