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Roton 780-057HD-83

Full Surface Heavy Duty Continuous Hinge for Bi-Fold Applications

Quick Product Details

Price: $265.00 /each

SKU: 780-057HD-83

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Roton actually extends the life of an opening and reduces replacement and maintenance costs.The Roton 780-057HD heavy duty full surface continuous hinge for Bi-fold applications is low-temperature and corrosion resistant and the hinge to specify for high-traffic and high-impact areas for retrofit projects or new construction.

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Price: $265.00

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83 83" CLR-Clear Anodized Satin Aluminum
83 83" DKBZ-Dark Bronze Exterior Anodized +$89.00


  • Application - heavy duty for high frequency doors or heavy medium frequency doors.
  • Full Surface -frame leaf mounted to the face of the frame. The door leaf is mounted to the
    face of the door with thru-bolts. 
  • 780 Series Roton heavy duty hinges are approved for 300 lb. doors.
  • 3 Hour Fire Rated with Metal door and Fire Rated Hollow Metal Frame.
  • Length -83”
  • Can be installed door-to-jamb or door-to-door
  • Clearance- 1/32" minimum recommended between doors.
  • Fasteners- Dril-Kwik screws and thru-bolts.
  • Door Reinforcement-none required.

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More Info

  • Security molding.
  • All Roton continuous geared hinges are surface applied.
  • Roton hinges are always installed flush with the top edge of the door.
  • Recommended 1/8” for head clearance.
  • Should in-the-field modifications be required, cut only from the bottom of the hinge. Do not cut through bearings or screw holes.
  • Any product modifications may void all warranties.780 Series Roton Continuous Geared Hinges meet requirements for positive pressure UL10C, UL10B and UBC7-2 Part 1



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