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A double-glazed cat flap allows your pet to go in and out of the home freely. This can help reduce stress levels, boost their sense of independence, and encourage exercise and exploration. It can be put in new uPVC windows and doors and the pet flap hole is cut at the time of manufacturing. However, it should not be installed into existing glass that is tempered. Cost It's important to take into consideration the installation cost when deciding whether you want to install a cat-flap in your double glazing. It's contingent on the t