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Rolling Steel Sheet Doors 770SS

ProStar™ Model 770SS

The Model 770SS rolling sheet 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.

Rolling Sheet Doors

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Where to Buy

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Features

Standard max width
10' (3048 mm)

Standard max 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 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

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

Lock
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

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)

Colors