Series 770SS

The Model 770SS is ideal for lighter-duty self-storage facilities that require a quality door that installs quickly, operates dependably, and requires minimal maintenance.

Standard Features

  • Max. Standard Width - 10' (3048 mm)

  • Max. Standard Height - 10' (3048 mm)

  • Curtain - 26-Gauge, Roll-Formed, Galvanized Steel Sections Interlocked and Seamed to Form Full Door Height

  • Curtain Material - High Strength Steel

  • Curtain Rub Strips - Flexible Webbing on Both Front Edges

  • Counterbalance Assembly - 9" (229 mm) Steel "Stepped" Rings to Minimize Headroom and Enhance Door Operation

  • Universal Guides - 18-Gauge, Roll-Formed Galvanized Steel, Pre-Punched to Accept Quick-Connect Components and with Through-Hole Design for Mounting to Concrete, Masonry, Steel of Wood Jambs

  • Headplate - 11-Gauge Steel

  • Bottom Bar - Extruded Aluminum Reinforced with Steel Roll-Formed Angle

  • Quick-Connect Bottom Bar Stops - 14-Gauge Galvanized Steel with Roller Bearings

  • Bottom Seal - Bulb-Type, Astragal Seal

  • Guide Rub Strips - Polypropylene on Both Edges

  • Standard Springs - 3 3/8" (86 mm) Torsion Springs

  • Operation - Manual Push Up Center Handle with Side Step Plate, and Center Rope Attached to Bottom Bar

  • Lock - Right-Side, Two-Bolt, Yellow Di-Chromate Super Seal Curtain Lock

  • Exterior/Interior Finish - Paint Finish in Choice of 11 Standard Colors: White, Glossy White, Garnet Red, Royal Blue, Polar Blue, Forest Green, Desert Tan, Dark Teal, Teal, Walnut, Brown, and Bronze


  • Left-Side Lock and Step Plate
  • Header Draft Seal

Part 1 General

1.01 Work Included
The rolling sheet doors shall be 770SS Series as manufactured by Overhead Door Corporation.

1.02 Related Work
Opening preparation, miscellaneous or structural metal work, access panels, finish or field painting, field electrical wiring, wire, conduit, fuses and disconnect switches are in the Scope of Work of other divisions or trades.

Part 2 Product

2.01 Curtain and Header
Curtain shall be roll-formed, high strength 26-gauge galvanized steel sections interlocked and seamed together to form a continuous curtain for full door height in a profile that minimizes door nesting.

A flexible PVC strip shall e on each edge of the curtain's exterior side to minimize steel-to-steel contact enhancing door operation and minimizing nesting and curtain scratching. Curtain shall be painted in one of the 14 standard colors. (Other colors available upon request.) Color warranty shall be 20 year limited warranty on all standard colors.

2.02 Guide and Headplate Assembly
Guides shall be roll-formed from 18-gauge steel. Guides shall be 1 1/2" (38 mm) wide with abrasion resistant polypropylene strips on each edge of the guide. Through-hole design shall allow easy access from the front of the guide for fastener attachment to the door jamb material. The guides shall be an "universal" design for the use in concrete, steel, wood or masonry. Guides shall be pre-punched to accept "quick-connect" attachments of the headplate and bottom bar stops.

Headplate shall be of "quick-connect" design for quick assembly to the guides. Headplates shall be 14-gauge steel and include roller bearings to prevent steel-to-steel contact for improved door operation and extended door shaft life.

2.03 Bottom Bar and Bottom Bar Stops
Bottom bar shall be of extruded aluminum reinforced with steel 1 1/2" by 1 1/2" (38 mm by 38mm) roll-formed angle and provided with a bulb type astragal to ensure a consistent seal along the floor. It shall interlock with door curtain in such a manner as to ensure full door integrity.

Bottom bar stops shall be of "quick-connect" design that allow the curtain to be inserted into the "universal" guide then locked into place without the use of fasteners. Bottom bar stops shall be 14-gauge galvanized steel.

2.04 Counterbalance Assembly
Counterbalance assembly shall include "stepped" designed steel rings to ensure a tight and uniform curtain wrap. Spring(s) shall be 3 3/8" (86 mm) diameter torsion springs. Shaft shall be 1 5/16" (33 mm) diameter with .065" (2 mm) wall thickness to minimize door deflection.

2.05 Lock
Lock shall be right-sided, two-bolt, double shackle or cylinder lock with yellow Di-Chromate Super Seal.

2.06 Operation
Operation shall be by manual push-up aided by center lift handle and center rope attached to bottom bar angle, and includes side step plate.

2.07 Packaging
The 770SS Series doors shall be packaged in such a manner to ensure that the doors do not touch during shipping. Doors shall be individually wrapped.

Part 3 Execution

3.01 Execution
The 770SS Series doors shall be installed in accordance with Overhead Door Corporation instructions and standards without exception.

* Note to specifiers: The specification is a suggested guide. Available options are shown in parentheses.