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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Meets A117
the fusible link trips and the spring-loaded louver blades shut
Maximum reveal 3-1/2"
When retrofitting any portion of an existing fire-rated opening
HD1800 Heavy Duty Concealed Continuous Geared Hinge Sliding Door & Barn Door Hardware Meets A117NGP HD1800 HD1800 LL Heavy Duty Concealed Continuous Geared Hinge, 1 8" Door Inset, for 1 3 4" Doors 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. 1 8" Door Inset, for 1 3 4" Doors Aluminum alloy 6063 T6; Anodized after machining Specially designed involute
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