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Fire Doors

Listings | Specifications's | Options | Models | Slat Options
Clearance Requirements | Release Devices | Automation

Fire Rated Service Doors

R&S Fire Doors combine the durability, security, efficiency and space saving advantages of a rolling service door with the added life and property saving benefits of automatic fire protection. Underwriters Laboratories, Warnock Hersey and Factory Mutual up to 3-Hour/Class 'A' Label or Oversize Certificate of Compliance is furnished standard.

Refer to the Listing Summary below for conditions affecting approvals by various testing agencies. Acceptance of the listing for variations in wall construction should be verified with the building authority having jurisdiction.

Fire Door Release Mechanism Detail

Fire Doors are designed to close automatically from a fully open position - activation of the door in the down position may cause damage. Fire Doors are not designed for use in high cycle applications - a secondary non rated door is recommended in those situations.

Fire Door Listing Summary

Testing Agency Underwriters Laboratories Warnock Hersey Factory Mutual
File Number R-9560 R-9560 J.I. 0T0H1.AC
Hourly Rating 3 Hour 1 1/2 Hour 3 Hour
Wall Construction Masonry Drywall or Masonry Masonry
Jamb Type Concrete
16 ga. (min) Steel Stud,
Steel Tube, Wood Stud, Concrete, Block, Brick
Label Size 12' Wide
12' High
120 Sq. Ft. Max.
12' Wide
12' High
120 Sq. Ft. Max.

12' Wide
12' High
120 Sq. Ft. Max.
Oversized 24' Wide
24' High
579 Sq. Ft. Max.
24' Wide
24' High
579 Sq. Ft. Max.
18' Wide
18" High
324 Sq .Ft. Max.
Jambs must be continuous members from floor to structure above. Sizes and attachment of members is to be determined to provide adequate mounting and support for the size and weight of the door.


Fire Door Specifications

Part 1 General
1.01 Summary

A. Fire doors excluding design, construction and preparation of opening; finish or field painting; access panels; electrical wiring, conduit, wire, fuses and disconnect switches

1.02 Quality Assurance
A. Certification:
Fire doors are labeled or certified by Underwriters Laboratories, Warnock Hersey or Factory Mutual for the hourly rating, wall construction and size allowed by the listing. Fire doors not in compliance with listing requirements are certified by the manufacturer.

Part 2 Products
2.01 Materials
A. Manufacturing:
R & S Manufacturing, model R ___
B. Mounting: Face of wall or between-jamb
C. Operation: Push-up to 8' wide and high and chain hoist on larger sizes is standard; awning crank, crank box or motor operation are optional.
D. Automatic closing: Thermally activated by 165° fusible links, with the closing speed regulated by a governor device operative only during automatic closing.
E. Curtain: Interlocking type ___ slats are roll formed from galvanized steel coil. Gage of slats is as required by the listing. Endlocks are riveted to slats to maintain curtain alignment. Bottom of curtain is reinforced by a double steel angle footpiece.
F. Guides: Steel channels or structural steel angles form curtain guides and are bolted to structural steel wall angles. Sizes of guides are as required by the listing.
G. Brackets: Steel plate brackets are bolted to wall angles to support curtain and barrel and provide mounting for hood.
H. Barrel: Minimum 6" diameter steel pipe houses torsion spring assembly and supports curtain with a maximum deflection of .03 inch per foot of width. Torsion springs ar mounted on a continuous cold rolled steel shaft, adjustable by a tension wheel outside one bracket.
I. Hood: Formed from minimum 24 gage galvanized steel sheet, reinforced with top and bottom flanges to limit deflection. A thermally released integral flame baffle is provided when required by the listing.
J. Locking: Chain lock with chain operation and slide bolt locks with push-up or crank operation.

2.02 Finish
A. Slats and hoods are pre-finished with a baked on grey polyester primer before forming. Footpiece, guides and brackets receive one coat of rust inhibiting grey primer.

Part 3 Execution
3.01 Installation

A. Fire doors are to be installed by an R & S authorized representative in accordance with R & S installation instructions and NFPA 80.

3.02 Testing
A. Fire doors are to be drop tested and witnessed for proper operation and full closure after installation.

3.03 Schedules
A. NFPA-80 and model code groups mandate annual inspection and testing of fire doors to check for proper operation and full closure.


Fire Door Options

Smoke Detectors: photoelectric (detects smoke and heat) require connection to a release device with compatible voltage
Release Devices: Electro-thermal and McCabe links (normally open circuits); electro-magnetic and time delay failsafe releases (normally closed circuits)
LiftMaster LM21XPBB Release Device: provides automatic closing and testing of motor operated counter fire doors upon activation by a detector or alarm; eliminates the need for mechanical release and reset unless there is a power loss; allows for a cycling sequence of the door in the event an obstruction is encountered upon closing. See - Fail Safe Devices below.
Perimeter Gasketing: brush seals factory applied to guides and footpiece, field installed on header, to aid in smoke and draft control
Vision Lites: single or multiple 4" wide cut-outs, glazed with clear wire glass (1 1/2 hour rating)
Powdercoat Finish: a durable and decorative finish for steel or aluminum surfaces. It provides longer life and requires less maintenance than a standard finish. Powder coating is available in a variety of colors for use on many products. Consult factory for color selection, applications and limitations.
VIBRATECH ® Viscous Speed Governor: available on R & S Manufacturing, Inc. fire doors for new construction and retro-fit. Viscous speed governor is a patented device allowing for a smooth and quiet descent of fire doors, replaces standard ductile iron governor, and recommended on larger certificate size fire doors, either manual or motorized operation. Viscous speed governor is U.L. listed and conforms to ASTM E152, CAN4-S104, NFPA 252, and UL 10B. Simple, maintenance-free design and construction, with a one year warranty

Vibratech Govenor
VIBRATECH ® Viscous Speed Governor


Model Designation

By Method of Operation- Face of Wall Mount

RFP - Push-UP
RFC - Chain
RFT - Thru-wall chain
RFA - Awning Crank
RFB - Crank Box
RFM - Motor


Fire Door Slat Options

Type 30 Large Curved Slat
Type 25 Large Flat Slat
Large Curved Slat Type 30
  Large Flat Slat Type 25
Standard curved slat for use on all service doors where strength and durability are a consideration. Available in 24, 22, 20, or 18 gage 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 gage galvanized steel. Also for use on all fire doors, especially those requiring gasketing.

Type 20 Small Curved Slat
Type 18 Small Flat Slat
Slat 18 Detail
  #25 Flat Slat
Optional curved slat for use on service doors to 16' wide. Available in 22 or 20 gage 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 gage 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.


Fire Door Clearance Requirements

Fire Door Mounting Details

Fire Door Clearance Requirement Chart
Side Room Requirements
Opening Width 'W' X" V"
Thru 8' 6 5/8 8
Over 8' Thru 12' 7 1/8 9 1/2
Over 12' Thru 15' 7 1/2 10
Over 15' Thru 9 1/2 10 1/2
Over 18' Thru 24' 10 1/2 11 1/2
Add 1 1/2" to 'Y' for crank or motor.



Head Room Requirements
Area Z" V"
A 21 3/4 20
B 23 1/4 21 1/2
C 25 1/4 23 1/2
D 29 1/4 27 1/2
E Consult Factory
1) Additional clearance may be required for # 25 slat
2) Additional clearance may be required when brackets mount above a ceiling
3) Reduce 'Z' by 2" with top hood flange turned down

Fail Safe Release Devices by LiftMaster
Distributed by R&S Manufacturing, Inc.

Adjustable time delay of up to 30 seconds is standard on all models.

Model LM21XPBB: standard base model with additional relay contacts and battery back-up
Model LM21AFCB: standard base model with additional relay contacts, battery back-up and additional logic board to electrically run fire door down through motor operator avoiding mechanical release
Optional Voice Board: allows for a standard audio warning or an optional warning for specific applications

Note: for additional information please consult factory.



R&S offers Power-Master motor operators - models 'J' | 'H' | ' MG' | 'GJ' for commercial roll up service door, insulated or non insulated overhead door and fire door automation.

For complete information including product cut sheets please our Motor Operators > Rolling, Grille & Sheet Door Motor Operators page.

Thank you.



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