Heavy Duty Steel Rolling Service Doors

• Steel, 3 Angle Guides

• Aluminum Extruded Bottom Bar up to 16′ wide –  upgrade to steel angle available

• 22 gauge curtain up to 16′ wide – gauge upgrade available

• 24 gauge hood standard – upgrades of gauge available

• Designed to withstand 20PSF or 80MPH winds

Heavy Duty Service Door Options

Increased Windload Capacity: Curtain designs to withstand windloads exceeding 20PSF

High Cycle Construction: Designs to provide up to 150,000 operating cycles or maximum possible in design.

Perforated Slats: 3/64″ diameter holes on 5/64″ staggered centers in type 25 slats provide 30% open area for ventilation and visibility throughout the curtain.

Vision Lites: Single or multiple 3″ wide cutouts, open for ventilation or covered with acrylic.

Powder Coat Finish: Available on all exposed surfaces, providing a durable and decorative finish that provides longer life and requires less maintenance than a standard finish. Available in a variety of colors. Consult factory for color selection, applications and limitations.

Galvanized Finish: Hot dip Galvanizing available on footpiece, guides and brackets

Intermediate Grille: Partial grille curtain connecting slats above and below.

Sloped Footpiece: For door openings on a slope

Cylinder Locks: Key or finger-throw cylinder installed on footpice for easy secure locking.

Pass Door: 3′-0″ x 7′-0″ x 1-3/4″ thick hollow metal grey primed (black optional) door in a steel frame for access through the curtain when closed; frame is hinged to guide and swings clear to allow use of entire door opening when curtain is raised; Standard hardware includes lever lock with optional deadbolt; accessibility option, custom sizes, windows and special hardware available.

Tubular Motor Operator: Motors completely contained within the barrel can be provided for heavy duty service doors up to 144 sq ft  in limited usage applications. Only the manual crank override is visible outside the bracket. The units are available in 115 volt/single phase with constant contact one button or key switch control. They can also be provided with a low voltage controller when options such as a 3 button station, reversing edge or timer are required.

Side Room Requirements
Opening Width ‘W’	X”	Y”
Up to 15′	6	8
15′-24′	7	9

R/H chain operation as shown – reverse ‘X’ & ‘Y’ for L/H

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Head Room Requirements
Area	Z”	V”
A	20	16-3/4
B	22	17
C	23-1/2	18-1/2
D	25-1/2	20-1/2
E	29-1/2	24-1/2
F	Consult Factory	Consult Factory

Reduce ‘Z’ by 2″ with top hood flange turned down

Slat Options
Type 30 Large Curved Slat	Type 25 Large Flat Slat
Standard curved slat for use on all service doors where strength and durability are a consideration. Available in 24, 22, 20, or 18 gauge galvanized steel. Also for use on all fire doors.	Standard flat slat for use on all service doors where environmental conditions are a consideration. Available in 24, 22, 20, or 18 gauge galvanized steel. Also for use on all fire doors, especially those requiring gasketing.
Type 20 Small Curved Slat	Type 18 Small Flat Slat
Optional curved slat for use on service doors to 16′ wide. Available in 22 or 20 gauge galvanized steel. Also for use in fire doors to 15′ wide.	Optional flat slat for use on service doors to 16′ wide. Available in 22 or 20 gauge galvanized steel or 22 gage stainless steel. Also for use on fire doors to 15′ wide, counter fire doors and counter doors.

Steel slats are galvanized per ASTM standards, treated for paint adhesion and pre-finished before forming with a prime coat and baked-on grey or tan polyester top coat.

By Method of Operation – Face of Wall Mount

DFP – Push-Up
DFC – Chain
DFT – Thru-wall chain
DFA – Awning Crank
DFB – Crank Box
DFM – Motor

For Between-Jamb Mount, change letter ‘F’ to ‘J’