Smoke Fire-Tite IMB Roll Down Fire Doors 2017-07-20T14:10:58+00:00

Alpine® Smoke Fire-Tite® IMB Roll Down Fire Doors

Smoke Sealed Fire Doors

Product Features

  • High quality fire door designed to prevent the spread of smoke
  • Perimeter smoke seals standard
  • Approved for stainless steel fire doors

  • Oversize UL label up to 56′ x 30′
  • Built in accordance with requirements specified by Underwriters Laboratories Inc.
Quality Smoke Sealed Doors
Request A Quote

APPLICATION USE
Fire Protection, Smoke Control, Insulated Smoke Shutters.

BOTTOM BARS
Bottom Bars for Roll Down Fire Doors and Insulated Fire Shutters can be Galvanized, Stainless Steel, Hot Rolled Steel, Powder Coated, Weather Strip , Brush/Smoke Seal, Pneumatic Edge, Electric Edge, Wireless Edge, Double Angle, Slide Lock.


BRACKET PLATES

Bracket Plates for Secure Overhead Doors can be Hot Rolled A36, Stainless Steel, Galvanized, Powder Coated, Viscous Governor, Oscillating Governor, Fire Drop Charge, Charge Wheel, Motor Prep., Chain Gearing, Thru-Wall Drop Plate, Round Bracket, Square Bracket, Hex Bracket, Single Gear Reducer, Double Gear Reducer.

COUNTERBALANCE ASSEMBLY
The Assembly for Insulated Smoke Shutters can be Hot Rolled A36, Galvanized, Stainless Steel, Torsion Spring, Kicker, Life Cycle 17.5M thru 400M, Collars, Welded Tabs, Taped Holes, Lock Shaft Collar, Keyed, Bolted.

CURTAIN OPTIONS
Roll Down Fire Doors and Insulated Fire Shutters have curtains that can be Galvanized, Stainless Steel, Prime Painted Galvanized, Powder Coated, Stamped Endlock, Cast Endlocks, Windlock Option, Brass End Lock.

GUIDE MATERIAL

Guide Material for the Secure Overhead Doors can be Hot Rolled A36, Stainless Steel, Galvanized Steel, Powder Coated, Structural Angles, Roll Formed Angles, Brush/Smoke Seal, Chain Lock Box, Electric Interlock, Tube Mounting.

HOOD/COVER
the Hood/Cover of Insulated Smoke Shutters can be Galvanized, Stainless Steel, Prime Painted, Powder Coated, Flame Baffle, Lintel Seal, Smoke Lintel Seal, Back Fascia, Tension Cover, Operator Cover, Round, Square, Hex, Side End Cap, Motor Cover, T.O.C. Cover, F.O.C. Cover, F.O.W. Cover.

MATERIAL STYLE
Roll Down Fire Doors can be 22 Gauge, 20 Gauge, 18 Gauge.

OPERATION OF DOOR
Insulated Fire Shutters and Secure Overhead Doors can be Push-up, Chain, Motor, Hand Crank, Redi-Master, Redi-Hoist, Redi-Lift, Chain Gear Reducer, Redi- Release.

Click Here for UL Labeled Smoke and Draft Control Assemblies

Disclaimer: All data provided on this website is to be used for information purposes only, and is subject to change without prior notice. Alpine shall not be liable for technical or editorial errors or ommisions contained herein, nor for direct, incidental, consequential or any other damages resulting from furnishing, performance, or use of this information, even if Alpine Overhead Doors, Inc. has been advised of the possibility of such damages in advance. See the additional disclaimer in our Terms of Use.

Alpine® Smoke Fire-Tite® IMB Insulated Smoke Shutters

Smoke Sealed Fire Doors

Below you will find comprehensive drawing details for our roll down fire doors and insulated smoke shutters featuring important operation details for using hand chain, hand crank, or motor operation. Click here to request a quote. AutoCAD drawings and AutoCAD details may be selected on the CAD FILES option to the right. The AutoCAD drawings and AutoCAD details for the roll down fire doors comply with 08360, 08400 & 08330 construction. The drawing details available for Alpine’s Smoke Fire-Tite® IMB also comprises several mounting options, including face mounted to steel, masonry, or between jamb mounted.

Alpine’s Smoke Fire-Tite® IMB insulated smoke shutters are insulated roll down fire doors with an “S” rating for smoke leakage. They are built in accordance with requirements specified by Underwriters Laboratories Inc. These insulated smoke shutters prevent smoke damage and potential health risks. These fire shutters are offered at a competitive price and are sure to provide protection against extended periods of fire exposure. For counter shutters or sound resistant doors, please refer to the product index.

To download Details (PDF), please click below.

Get Adobe Reader for Roll Down Fire Doors, Insulated Smoke Shutters, Insulated Smoke Door

Face Mounted to Masonry on Roll Down Fire Doors, Insulated Smoke Shutters, Insulated Smoke Door
Face Mounted to Steel for Roll Down Fire Doors, Insulated Smoke Shutters, Insulated Smoke Door
Between Jamb Mounted (Packout) for Roll Down Fire Doors, Insulated Smoke Shutters, Insulated Smoke Door
Between Tube Mounted for Roll Down Fire Doors, Insulated Smoke Shutters, Insulated Smoke Door

Apine’s Engineering team will help you determine the exact roll down fire doors that will meet your specifications and requirements. Alpine will guide you through every step with your insulated smoke shutters. Alpine will design smoke doors that will bring years of usage.

Alpine’s Insulated smoke door is tough enough to stand up to alot of usage. These fire doors are built to last. Call Alpine today to find out which roll down fire doors and insulated smoke shutters are right for your building’s entry.

Disclaimer: All data provided on this website is to be used for information purposes only, and is subject to change without prior notice. Alpine shall not be liable for technical or editorial errors or ommisions contained herein, nor for direct, incidental, consequential or any other damages resulting from furnishing, performance, or use of this information, even if Alpine Overhead Doors, Inc. has been advised of the possibility of such damages in advance. See the additional disclaimer in our Terms of Use.

Alpine® Fire-Tite Smoke® IMB Roll Down Fire Doors

Smoke Sealed Fire Doors

To download specifications please click below.

Specifications (PDF) Adobe Acrobat Download 3 Part Specifications (PDF) Get Adobe Reader
Specifications (DOC) Microsoft Word Download 3 Part Specifications (DOC)

Model SMOKE FIRE-TITE® IMB
Flat Slat
Fire-Tite Rolling Doors

NOTE: For specifications, architects must choose from a variety of options. The standard choice will be shown first in plain text followed by the options shown in [brackets] (Example “Finish: Galvanized [Powder coated] [Baked enamel]”). The specifier must make the appropriate choices and delete the others

(Example: “Finish: Powder coated”).

GENERAL

1.01 SUMMARY OF INSULATED FIRE SHUTTERS

A. This section includes: [Manual] or [Electric] operated, automatic closing, air leakage rated Overhead Rolling Fire Door.

1. Provide doors with Underwriter’s Laboratories, Inc. (UL) and Underwriter’s

Laboratories of Canada (ULC) label for the fire rating classification. [4 hr.], [3 hr.], [1 ½ hr.], or [3/4 hr].

2. Provide doors with Underwriter’s Laboratories, Inc. label for “Leakage Rated

Assembly” or “S” label in compliance with UL test 1784 and NFPA 105 air leakage requirements. [1 ½ hr.] [3/4 hr.]

3. Cycle life: Design doors of standard construction for normal use of 20,000 cycles standard [up to 400,000 cycles].

4. Manually resettable drop out mechanism with optional release devices. (For

automatically resettable doors see specs for Auto Smoke Fire-Tite®)

B. Related Sections: Related to this section, but not limited to, the following (based on Master Format 2004):

1. Section 01660 – Product Storage and Handling Requirements.

2. Section 04220 – Concrete Unit Masonry.

3. Section 05120 – Structural Steel.

4. Section 06100 – Rough Carpentry.

5. Section 08310 – Access Doors and Panels.

6. Section 08710 – Door Hardware.

7. Section 09290 – Gypsum Board.

8. Section 09900 – Paints and Coatings.

9. Section 26000 – Electrical.

10. Section 28310 – Fire Detection and Alarm.

1.02 REFERENCES FOR ROLL DOWN FIRE DOORS

A. ASTM A 653/A 653M – Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

B. ASTM A 36 – Standard Specification for Carbon Structural Steel, Hot Rolled Steel

C. ASTM A 123 – Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

D. ASTM A 312 – Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

E. ASTM A 240 – Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

F. ASTM A 276 – Standard Specification for Stainless Steel Bars and Shapes

1.03 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Product Data: Provide manufacturer’s standard details and catalog data. Provide installation instructions.

C. Shop Drawings: Furnish shop drawings for architect’s approval. Include elevation, sections, and details indicating dimensions, materials, finishes, conditions for anchorage and support of each door.

D. Submit manufacturer’s recommended operation, troubleshooting, and maintenance instructions.

1.04 QUALITY ASSURANCE FOR INSULATED FIRE SHUTTERS

A. Manufacturer: Rolling doors shall be manufactured by a firm with a minimum of five years experience.

B. Fire-Rated Assemblies: Provide all doors with fire resistance rating required to comply with governing regulations which are inspected, tested, listed and labeled by UL, complying with NFPA 80 for class of opening. Provide UL label permanently fasted to each fire door assembly.

Door shall be tested under UL10B and ULC10B, and provided with a [4 hour] [3 hr.] [1 ½ hr.] [3/4 hr.] rating. Also NY MEA approved.

C. Smoke-Rated Assemblies: Provide all doors with air leakage rating required to comply with governing regulations which are inspected, tested, listed and labeled by UL, complying with NFPA 105. Doors shall be tested under UL 1784 and provided with an “S” class label.

D. Single-Source Responsibility: Manufacturer shall provide doors, tracks, motors, and accessories for each type of door. Secondary components shall come from a source acceptable to the manufacturer of the primary components.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials in original packaging supplied by manufacturer with intact labels. Store materials away from harmful environmental conditions and construction.

1.06 WARRANTY FOR ROLL DOWN FIRE DOORS

A. Door Warranty: Provide one year written warranty from date of installation against deficiencies due to defects in materials or workmanship. Installer agrees to repair or replace any defects in materials or workmanship.

B. Project Warranty: Refer to Conditions of the Contract for project warranty provisions.

PART 2 – PRODUCTS

2.01 MANUFACTURER

A. Manufacturer: Alpine Overhead Doors, Inc.; 8 Hulse Road Suite 1S, East Setauket, NY 11733. Telephone 800-257-4634 or 631-473-9300. Fax 631-642-0800.

B. Model: SMOKE FIRE-TITE® Air Leakage Rated Rolling Fire Door

2.02 MATERIALS

A. Curtain:

1. Slats: Constructed of interlocking, roll-formed 2 ¾” flat slats. (For insulated slats see specs for Smoke Fire-Tite® IMB)

a) Material:

i) Galvanized steel, G90 coating exterior (G60 interior), Structural Quality Grade C, as per ASTM A 653/ A 653 M

Finish: Galvanized [Powder coated] [Baked enamel] (Minimum coating

conforming with Coating Designation G-60 interior G-90 exterior is required)

– OR –

ii) ASTM 240 Stainless steel 300 series

Finish: [Mill finish #2B] [#4 satin finish]

b) Gauge: Minimum 22 gauge as manufacturer standard [20, 18, 16 gauge]. 3” curved also available in 14 gauge as per manufacturer’s UL approval. (Actual gauge dependent on windload per manufacturer’s standard)

2. Endlocks and Windlocks (as required):

a) Ductile cast iron, hot-dipped, galvanized endlocks riveted (solid rivets, minimum ¼” thick) to each end of each slat to prevent lateral movement and to limit slat deflection and bending stress. [Windlocks are dependent on windload and increase resistance to curtain jamming]

3. Bottom Bar: Two roll formed steel angles of minimum 2”x2”x1/8”, designed to reinforce curtain bottom. (Size dependent on dimensions per manufacturer’s standard)

a) Material for Insulated Fire Shutters:

i) Galvanized Steel as per ASTM A 653/ A 653 M

Finish: Gray shop prime [Powder Coated] [Baked Enamel]

– OR –

ii) ASTM 240 Stainless Steel 300 Series

Finish: [Mill finish #2B] [#4 satin finish]

b) Smoke Seal: Vinyl smoke sealing astragal.

B. Guides:

1. Guides shall be designed using structural steel angles with a minimum thickness of 3/16”, minimum 1 ¼” slotted connections, and removable bellmouth curtain stops to allow for curtain maintenance without removal of guides. Bellmouth stops shall be flush with guide groove. Guides shall be fastened with minimum 3/8” bolts at minimum 18” o.c.

a) Material for Roll Down Fire Doors:

i) ASTM A 36 Carbon Structural Steel

Finish: Gray shop prime coat [ASTM A 123 Galvanized] [baked enamel paint] [powder coated].

– OR –

ii) ASTM 276 Stainless Steel 300 Series

Finish: [Mill finish #2B] [#4 finish satin]

2. Smoke Seal: 1 ½” brush smoke gaskets.

C. Door Support Brackets and Mounting Plates:

1. Steel plate not less than 1/4” thick. Provide ball bearings at rotating support points. Bolt plates to wall mounting angles with minimum 1/2″ fasteners. Plate supports counterbalance assembly and forms end enclosures.

a) Material:

i) ASTM A 36 Carbon Steel:

Finish: Gray shop prime coat [ASTM A 123 Galvanized] [Baked enamel paint] [Powder coated].

– OR –

ii) ASTM 240 Stainless Steel 300 Series

Finish: [Mill Finish #2B]

D. Counterbalance Assembly: Torsion

1. Counterbalance assembly: Steel pipe barrel of a size capable of carrying a curtain load with a maximum deflection of 0.03” per foot of door width. Heat-treated helical torsion springs encased in a steel pipe and designed to include an overload factor of 25% to ensure minimum effort to operate. Sealed and prelubricated high speed ball bearing at rotating support points. Torsion spring charge wheel for applying spring torque and for future adjustments.

a) Material for Insulated Fire Shutters:

i) ASTM A 36 Carbon Structural Steel

Finish: Gray shop prime coat [A 123 Hot-Dip Galvanized]

– OR –

ii) A 312 Stainless Steel 300 Series

Finish: Mill finish

b) Life Cycle: High Cycle springs designed to satisfy 10m through 400m life cycles. Consult engineering if height exceeds width for any cycle above 20m. (Cycle defined as one time opening and closing of door)

E. Hood:

1. 22 gauge steel. Formed to fit the contour of the end brackets with reinforced top and bottom edges. Provide support bracing for doors wider than 20 feet at every 10 feet to prevent excessive sag. Fasten with minimum ¼” bolts at 10” o.c.

2. Shape: Hexagon [square] [round]

3. Material for Roll Down Fire Doors:

a) Galvanized Steel as per ASTM A 653/ A 653 M

i) Finish: [Baked enamel paint] [Powder coated]

– OR –

b) ASTM 240 Stainless Steel 300 Series:

i) Finish: [Mill finish #2B] [#4 satin finish]

4. [Fascia]: Galvanized [Stainless Steel], provided where areas behind door hood are open.

Materials and finish same as hood.

5. Smoke Seal: Lintel 2” brush seal.

F. Locking:

1. Provide padlockable slide locks for latching and locking door on coil side bottom bar at each jamb extending into slots in guides. (Electric Interlocks recommended with motorized doors only)

2. Manual chain hoist: Provide padlockable chain keeper on guide.

2.03 OPERATION OF INSULATED FIRE SHUTTERS:

A. Opening/Closing: Manual push-up [Manual hand chain] [Motor Operator].

B. Automatic closure is activated by fusible link [Fire Door Release Device].

C. [Manual hand chain]:

1. Provide chain hoist operator with endless steel chain, chain pocket wheel and guard, geared reduction unit, and chain keeper secured to guide.

D. [Manual hand crank]:

1. Provide crank hoist operator including crank gear box, steel crank drive shaft and geared reduction unit. Fabricate gear box to completely enclose operating mechanism and be oil-tight.

E. [Motor Operators]:

1. Choose ONE:

a) Medium-Duty, Alpine® Model Redi-Hoist™ driven by efficient V-belt primary

drive with chain/sprocket secondary. Maximum ½ hp. For use on doors up to 10’ x 10’.

– OR –

b) Industrial-Duty, Alpine® Model Redi-Lift™ driven by heavy-duty V-belt with

chain/sprocket secondary reduction. Optional auxiliary chain hoist. Maximum 1 hp. For use on doors up to 12’ x 12’.

– OR –

c) Heavy Industrial-Duty, Alpine® Model Redi-Master™ driven by heavy-duty worm gear in oil bath reduction. Standard auxiliary chain hoist. Standard ½ hp (maximum 3 hp)

2. [Sensing Edges] (For double angle bottom bar): For motorized doors, sensing edges allow door to go up in case of obstruction. [Pneumatic Edge] [Electric Edge] [Wireless Edge].

a) Colors: Gray [Yellow] [Black] [White] [Yellow with black stripes]

F. Release Devices for Roll Down Fire Doors:

1. Fusible link with chain system:

a) Activation: Melting of fusible link at 165° Fahrenheit. When automatic closing is activated, chain shall disengage causing door to close.

b) Closing speed controlled by Integral Oscillating governor [Viscous governor].

c) Average closing speed: No less than 6” per second and not more than 24” per econd as per NFPA 80 Section 6, paragraph 4.1.5.

2. [Redi-Release™ Release Devices]: Electric Fail-Safe devices used in conjunction with fusible link. [Smoke detector] Choose ONE:

a) Class 1: Manually operated system that can be tied into most fire alarm systems.

– OR –

b) Class 2: All the features of Class 1, with the additional capability to allow motor operation. If operator is chosen, an electrical edge is recommended.

– OR –

c) Class 3: All the features of Class 2 with the addition of standard Alpine Control Panel and Standard Electric Safety Edge. Allows door to automatically go up in case of an obstruction.

– OR –

d) Class 4: All the features of Class 3 with the addition of the Alpine Uninterrupted Power Supply (Battery backup) that is self-activating during a power outage.

2.04 Mounting:

1. Interior face mounted on prepared opening.

2. Interior mounted between jambs and under lintel in a prepared opening.

3. Exterior face mounted on prepared opening.

2.05 Fire Ratings:

1. Underwriter’s Laboratories:

Doors are constructed to conform within requirements specified by Underwriters

Laboratories, Inc. (UL) and Underwriter’s Laboratories of Canada (ULC). Doors are automatic and self-closing, Class (A) (B) (C) (D) or oversized certificate.

4 hour – Approved for doors with openings not exceeding 162 sq. ft. in area.

Class (A) – 3 hour approved for doors in dividing fire walls with openings not exceeding 120 sq. ft. in area

Class (B) – 1 ½ hour approved for doors, in vertical shaft openings not exceeding 120 sq. ft. in area.

Class (C) – ¾ hour approved for doors in corridor or room-partition opening not exceeding 120 sq. ft. in area.

Class (D) – 1 ½ hour approved for doors in exterior wall opening not exceeding 120 sq. ft. in area.

The oversize Certificate is authorized for rolling steel doors for the protection of

openings in fire walls, vertical shafts, and exterior walls where the area exceeds 120 square ft., or for openings in the above locations when width or height exceeds 12 ft. The maximum dimensions for doors for standard fire protection provided with the Oversize Door Certificate are not to exceed 56 ft. in width and 24 ft. in height.

2. New York Materials, Equipment and Acceptance Division (MEA).

PART 3 – EXECUTION

3.01 EXAMINATION OF INSULATED FIRE SHUTTERS

A. Verify that dimensions are correct and project conditions are in accordance with manufacturer’s installation instructions; do not proceed with installation until unacceptable conditions have been corrected.

3.02 INSTALLATION

A. Install units in accordance with manufacturer’s instructions.

B. Ensure that units are installed plumb and true, free of warp or twist, and within tolerances specified by manufacturer for smooth operation.

C. Preparation for opening and installation of fire door to be in strict compliance with NFPA-80.

3.03 FIELD TESTING FOR ROLL DOWN FIRE DOORS

A. Test doors for regular operation and automatic closing. Proper authorities having jurisdiction must witness test and sign Drop Test Form.

3.04 DEMONSTRATION

A. Instruct the Owner’s personnel in correct operation and maintenance of units.

3.05 ADJUST AND CLEAN

A. Clean units in accordance with manufacturer’s instructions.

B. Restore slight blemishes in finishes in accordance with manufacturer’s instructions to match original finish. Remove and provide new units where repairs are not acceptable to the Architect.

Disclaimer: All data provided on this website is to be used for information purposes only, and is subject to change without prior notice. Alpine shall not be liable for technical or editorial errors or ommisions contained herein, nor for direct, incidental, consequential or any other damages resulting from furnishing, performance, or use of this information, even if Alpine Overhead Doors, Inc. has been advised of the possibility of such damages in advance. See the additional disclaimer in our Terms of Use.

Alpine® Redi-Release®

For Use with Fire-Tite®, Fire-Shut® and Fire-Storm® Doors

Fire Door Release, Release Devices, LM90 Model - Optional Features

The Solid State Securities time delay fire door release device is an optional feature for your fire resistant doors. Alpine® Redi-Release® is normally energized as a fail-safe device for fire doors, and incorporates state of the art electronic security control circuitry.

The Redi-Release series release devices are the ideal safety option for fire resistant doors. These devices are able to respond to emergency conditions generated by manual or automatic  initiating devices that are normally closed, and are designed to be used in conjunction with a temperature fuse link system. The Test-Release device features include time delay on alarm and power loss, motor voltage sensing, form C output, proximity/door edge input and trouble diagnostic capabilities. Check model label to be installed to verify applicable features.

CAUTION: As with all releasing device systems, maximum fire protection is provided when installed in accordance with factory specifications and used with fuse link systems. Fail-safe operation can only be provided when input power is applied.

LiftMaster Professional

For Motorized Doors – Electro-Mechanical OperatorsFire Door Release, Release Devices, LM90 Model - Optional Features

The AFCB fire door release device is designed to be used in conjunction with a standard commercial door operator to provide a fully automated door closing system. For use with motorized doors incorporating a reversing electric safety edge. This 120VAC device can power up to four smoke detectors and two horn/strobes or speaker/strobes. This system combines state-of-the-art functionality and advanced features typically found on special-order fire door operators.

LM21AFCB                                                      Owners Manuals

  • UL864 Revision 9 compliant
  • Programmable DIP switch delay setting – either 10, 20, 30 or 60 seconds delay of door release to permit passage clearance
  • Internal battery backup system
  • Motor voltage sensing monitors voltage to the operator and activates a mechanical door release upon loss of power to the operator.
  • Obstruction cycling – works in conjunction with the door’s electrical safety edge, reversing the door if an obstruction is encountered
  • Test keyswitch – permits floor-level testing of the system
  • Model LM21AAFCBVB – is equipped with a voice board to broadcast a prerecorded evacuation message

Non-Motorized Doors

Fire Door Release, Release Devices, LM90 Model - Optional Features

The XP fire door release device provides a fail-safe release mechanism for non-motorized doors and acts as an interface between the door and the fire alarm system. The device required 24VDC power from an approved UL1481 regulated power supply with battery backup, such as a fire alarm control panel. Therefore, installation will require coordination with a fire panel installer.

LM21XP                                                     Owners Manuals

  • UL864 Revision 9 compliant
  • Programmable DIP switch delay setting – either 10, 20, 30 or 60 seconds delay of door release to permit passageway clearance
  • Close door detection – prevents door release if the door is kept in the closed position and eliminates door reset service calls or potential system damage
  • On board diagnostic –  LEDs for early troubleshooting
  • Testing function – allows routine fire door testing without requiring activation of the central alarm system; easy reset function returns the device to a standby state

Non-Motorized Doors with Battery Backup Option

Fire Door Release, Release Devices, LM90 Model - Optional Features

Versatility allows the XPBB fire door release device to operate on 120VAC, 24VAC or 24VDC power sources. Internal battery backup allows the release device to stand alone from the fire alarm system and act independently in the event of a power outage. The system can provide 24VDC power for up to four smoke detectors and two horn/strobes, mounted on either side of the door. Programmable delay settings, close door detection, diagnostic LEDs, localized testing, and reset capabilities are also standard.

LM21XPBB                                                           Owners Manuals

  • UL864 Revision 9 compliant
  • Programmable DIP switch delay setting – either 10, 20, 30 or 60 seconds delay of door release to permit passageway clearance
  • Inputs for normally open –  2-wire or 4-wire detectors and 4-wire normally closed detectors
  • On board diagnostic –  LEDs for early troubleshooting
  • Trouble and alarm relays – for communication with the fire alarm control panel, if required
  • Audible trouble sounder – to indicate when the release device is not operational
  • Testing function – allows routine fire door testing without requiring activation of the smoke detector
  • Model LM21XPBBVB – is equipped with a voice board to broadcast a prerecorded voice evacuation message

Contact us today to find out which Alpine® solution is right for you!

3 Hour approved for doors in dividing fire walls with openings not exceeding 120 sq. ft. in area. • 1.5 Hour approved for doors in vertical shaft openings not exceeding 120 sq. ft. in area. • .75 Hour approved for doors in corridor or room-partition opening not exceeding 120 sq. ft. in area. • 1.5 Hour approved for doors in exterior wall opening not exceeding 120 sq. ft. in area.

The Alpine Smoke Fire-Tite® roll down fire doors and insulated smoke shutters have all the features of the Fire-Tite® with the addition of an “S” rating for smoke leakage. The Smoke Fire-Tite® insulated fire shutters utilize a vinyl smoke seal on the bottom bar, brush seals on the guides and lintel to stop the movement of smoke through the door.This prevents property damage and health risks.

Smoke Fire-Tite® curtains are constructed of galvanized steel in 2 3/4″ flat, slats, and can be finished with powder coating or baked enamel finishes. All secure overhead doors are equipped with a 22 gauge steel hood formed to fit the contour of the end brackets. Durable ductile iron endlocks with 1/4″ semi-solid rivets and wind locks are available. Our door supports and brackets are all steel plates no less than 1/4″ thick. Alpine’s Torsion Counterbalance Assembly is state of the art, providing maximum security and ease of use.

IMB Curtain Detail

Roll Down Fire Doors, Insulated Fire Shutters, Secure Overhead Doors

Double Angle Bottom Bar with Brush Seals

Roll Down Fire Doors, Insulated Fire Shutters, Secure Overhead Doors

Structural Guide with Brush Seals