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Stainless Steel Counter Roll-Up Doors can be manufactured to fit openings that are too small for regular Steel Roll-Up Doors or openings that are designed to be counters. They meet a diversity of commercial and institutional application requirements. Doors can be motor, chain hoist, crank or manually operated. Some possible applications include, but are not limited to, hospital counter, pass windows at kitchens, cafeterias, post office windows, ticket offices, and check rooms.


Work Included
Steel Counter Roll-Up Doors will be designated as Model SC__## as manufactured by Best Roll-Up Door, Inc.
- Mounting: The door can be face mounted or mounted between jambs of a prepared opening.
Related Work
Opening preparations miscellaneous or structural steel, field painting or finish, access panels, electrical wires, wiring, switch connection, conduit will be handled by the appropriate trades.
- Slats: Formed in a cold-roll process in continuous lengths of galvanized steel interlocked to form curtains.
- Gauge: Available steel slat thickness are 18,20,22 and 24 gauge.
- Endlocks: Endlocks are fitted to each end of alternate slats to achieve slat alignment and to serve as a wearing surface.
- Galvanizing: Zinc coated.
Bottom Track
Reinforcement of curtain is achieved by using a bottom track consisting of steel angles.
Guide and Wall Angle Assembly
- Guides/Wall Angles: Guides can be constructed using steel angles or a steel channel. Wall angles of structural steel shall have a minimum thickness of 1/8.
- Depth of Guide: To be of appropriate size to allow slat penetration and to restrict horizontal slat movement.
Steel Roll-Up Door construction is designed to withstand windloads of up to 20 PSF in a fully closed position, and can be designed to withstand higher windloads upon request.
Bracket Plates
- Bracket Plates: To support the curtain and the counterbalance mechanism, the bracket plates shall be provided with minimum thickness of 1/4¡±.
- Drive End Bracket Plate: The bracket plate on the drive end is to be fitted with a sealed ball bearing.
Spring Counterbalance
- Counterbalance: Housed in a steel pipe, maximum deflection of 0.03¡± per foot of door width is achieved by having the appropriate diameter and wall thickens.
- Springs: Helical torsion with a 25% overload factor for ease of operation and are greased packed mounted on a cold rolled steel inner shaft.
- Spring Tension: Can be adjusted from outside of end bracket plate.
- Ball Bearing: Sealed in order to minimize wear of pipe shaft rotating around inner shaft.
- Hoods: To completely enclose curtain and counterbalance, hoods shall be provided form #24 U.S. Gauge galvanized steel.
- Reinforcing: Hoods can be reinforced laterally to prevent sag.
- Intermediate Hood Supports: provided where door width exceeds 16'.
Operation can be manual push-up, chain hoist, waist high crank hoist, or electric motor operation.
- Slide Bolts: On bottom track for manual push-up operated doors.
- Integral Gearing: Power operator can serve as an additional locking for the door.
- Hand Chain Lock: Consists of a locking bracket mounted on a guide angle.
Any un-galvanized surfaces will be coated with a rust inhibiting metallic primer, except bearings.

Installation to be completed by an authorized representative.
- Endlocks: Continuous endlocsk are available.
- Windload: Custom windloads are available.
- Bottom Track: Single steel angle is standard, and double steel angle bottom track is available. Extruded aluminum bottom track is available.
- Sensor Edge: An electronic sensor edge can be added to power operated doors to reverse the door travel upon encountering an obstruction for safety.
- High Cycle Springs: Can be obtained for motorized doors that require 50,000 to 100,000 cycles. Very high cycles in excess of 100,000 are also available.
- Powder Coat Finish: The door can be powder coated in variety of colors.

13202 ARCTIC CIRCLE SANTA FE SPRINGS, CA 90670  •  TEL. 562.802.2233  •  TOLL FREE. 800.400.2565  •  BESTROLLUP@GMAIL.COM