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Window Friction Hinges A friction hinge is a device built into it that creates resistance to movement. This type of hinge is able to aid in holding doors, lids and flaps, as well as panels and windows in place. It can also stop springback and slamming. These Yale Defender egress friction stay hinges are easy to clean and allow windows to fully open in conformity with Building Regulations document B1. They are suitable for side-hung and top hung windows. Types There are a variety of window hinges available, and t