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​​​​​​​​Rolling Steel Sheet Doors 770SS

storage facility roll up doors

​​​​​​​​​ProStar™ Model 770SS


​The Model 770SS rolling sh​eet door is a great option for facilities that require a quality door that installs quickly, operates dependably, and requires minimal maintenance. Like the other doors of our rolling sheet door line, this 26-gauge door features quick-connect components that simplify and speed installation while ensuring door sturdiness. Stepped counterbalance rings and a unique curtain profile ensure a tight curtain wrap resulting in a smooth operating door and minimal nesting. A host of other standard features from standard roller bearings and dual rub strips on both guide edges and both front edges of the curtain further promote smooth operation and longer life. Available in 12 standard colors, the Model 770SS represents a good choice and a good value.



Standard max width
10' (3048 mm)

Standard max height
10' (3048 mm)

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 through-hole design for mounting to concrete, masonry, steel or wood jambs ​​​​​

Quick-connect headplate
11-gauge steel

Bottom bar
Extruded aluminum reinforced with steel, roll-formed angles

Quick-connect bottom bar stops
14-gauge galvanized steel

Bottom seal
Bulb-type, astragal seal

Guide rub strips
Polypropylene strips on both edges

Standard springs
3 3/8" (86 mm) torsion springs

Manual push up center handle with side step plate, and center rope attached to bottom bar

Exterior curtain slide lock (accepts cylinder lock or 2 padlocks*) (right or left-handed)

Exterior/interior finish
Paint finish in choice of 12 standard colors: white, glossy white, garnet red, royal blue, polar blue, forest green, desert tan, dark teal, teal, walnut brown, bronze and silhouette gray. ​​​

Standard max width
10' (3048 mm)

*Cylinder locks and padlocks not provided

Door Options

Door Options​

  • Additional exterior curtain slide lock
  • Interior bottom bar slide bolt set (left and right-handed)
  • Header draft seal​
  • Wind load: Integrated curtain wind locks and guide to withstand wind load to minimum design pressures of 36/-36 psf (175/-175 kgf/sq m) ​



  • white color swatch White

  • glossy white color swatch Glossy 
  • forest green color swatch Forest Green
  • teal color swatch Teal

  • dark teal color swatch Dark 
  • walnut brown color swatch Walnut Brown
  • garnet red color swatch Garnet Red

  • polar blue color swatch Polar Blue

  • royal blue color swatch Royal Blue

  • desert tan color swatch Desert Tan

  • bronze color swatch Bronze
  • silhouette gray color swatch Silhouette

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