Continuous geared aluminum hinges run the full height of the door evenly distributing the weight of the door along the full height of the frame. Ideal for high-frequency and heavy-weight doors in new construction and retrofit applications.
National Guard Anodized Dark Bronze Aluminum 95 Length, Concealed Continuous Geared Hinge No Door Inset, Flush Mount for 1 3-4 Doors. Specially designed involute intermeshing gears. Proprietary teflon infused self-lubricating wear resistant bearings. No hinge reinforcement necessary except on extremely heavy, extremely high frequency or extra wide doors. Lifetime of the door opening warranty. 12-24 TEK MS. LL model for doors up to 1,000 lbs. features lead-lined dual row hole pattern. Standard lengths: 83, 85, 95, 119. Note: For Door Sizing Refer to Installation Instruction.