ABH A170 HD 83 Inch Full Mortise Continuous Hinge

Full Concealed, Heavy Duty 1/8" Door Inset 48" door width maximum 450 lbs. door weight maximum Average weight per unit = 11 lbs "LL" model for doors up to 1,000 lbs (lead-lined staggered hole pattern) Fasteners:12-24 X 3/4" undercut self drilling, thread forming tek machine screws Standard Lengths:79", 83", 85", 95" and 120" + Custom Sizes Available Fire Rating Approved for use on metal swinging type fire doors rated up to and including 90 minutes (Specifiy "FR" option for 3 hour rating) Approved for use on wood swinging type fire doors rated up to and including 60 minutes (Specifiy "FR" option for 90 minute rating) Reinforcement: Door Side: Not required for door weight up to 200 lbs. ABH recommends a minimum 12 gauge plate/channel for heavier doors. Frame Side: Not required for door weight up to 200 lbs. For doors more than 200 lbs., a 16 gauge channel is recommended. TEMPLATES  A170 Aluminum Continuous Gear Hinges Full Mortise  A170-EA & R, Electrical Modifica