https://www.repairmywindowsand....doors.co.uk/spalding
Window Friction Hinges A friction hinge is equipped with a mechanism inside that creates resistance to movement. This type of hinge is used to hold windows, flaps and panels in the right position. It also helps prevent springback and sliding. These Yale Defender egress friction stay hinges are easy to clean and allow windows to fully open in accordance with Building Regulations document B1. These Yale Defender egress clean friction stay hinges permit full opening of windows in accordance with Building Regula
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