770SS series

rolling-sheet-door-770ss-600

ProStar™ Model 770SS

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​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 11 standard colors, the Model 770SS represents a good choice and a good value.

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 
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 ​​​

Door Options