Main Content

  • PLENUM RATED FIRE SAFETY SIGNALING DEVICES

    For drop-ceiling applications, where a separation needs to be maintained between the plenum and the living space, Fourjay Industries has metal tile-bridges and back-cans or protective enclosures that are UL listed.
  • PE8 Plenum Enclosure

    For additional information, click on image.

    PE8 - Plenum Enclosure

    Product Description

    Enclosure UL Listed when assembled to Support Bridge PB8 or PW8 and Easy twist-lock assembly to bridges

    Product Technical Specifications

    • Twist-Snap-Lock enclosure to either model PB8 or PW8 Bridge; secures without screws
    • 20 gauge galvinized steel, deep draw one piece construction
    • Three knockouts accept metallic type fittings for 1/2" conduit, 3/8" armored cable adn plenum rated cable
    • Panel resonance is controlled for minimal sound "coloration." No acoustic treatment material is needed
    • Maintains ceiling intergrity; no unnecessary openings
    • PE8 Enclosure with bridge assembly was tested and passed a 3 hour pilot-scale fire endurance test in accordance with UBC Article 43.7 for non-combustable floor/ceiling construction
    • Listed by Ubderwriters Lboratories, Inc. category UUMW. MAterial and construction permits use where ceiling cavity is part of an air handling system
    • Parts nest together for minimum storage space
  • PW8 Drywall Bridge

    For additional information, click on image.

    PW8 - Drywall Bridge

    Product Description

    Drywall Bridge for new construction Gypsum board ceilings or walls. Spans studs/joists spaced 16" or 24" centers. Same assembly features as PB8 or PW8

    Product Technical Specifications

    • Designed for flusj mounting to 16" or 24" drywall ceiling grid construction
    • 24 gauge galvanized steel construction
    • Tie points for PT8 Thermal Barrier wires
    • Parts nest together for minimum storage space
  • Plenum Connection/ Fire Barrier

    For additional information, click on image.

    Plenum Connection/ Fire Barrier

    Product Description

    Engineered for easy installation and quality performance.....Designed to maintain integrity of Air Return Ceiling construction and get inspector approval.

    Product Technical Specifications

    • Tested by two independent laboratories:
    • 1) Listed by Underwriters Laboratories, Inc. for use in ceiling cavity air handling spaces.
    • 2) PE8/PB8 assembly passed a Pilot Scale Fire Endurance test as a fixture in a 3 hour rated Tee Bar Floor/Ceiling design.
    • Complies with codes for speaker systems in ceiling cavity air return spaces per NFPA 70 (NEC) 1999, part 300-22(c)(2) and NFPA 90A, 1999, Article 2-3. 10-2(a) Exc3
    • Enclosure/bridge assembly is secured and sealed to the ceiling panel by a speaker/baffle or by optiopnal seal ring. There are no non-essential openings
    • Enclosure locks to the bridge with a twist. No screws, less labor
    • Galvanized steel construction
    • Multiple tie points are provided for accessories and safety/seismic security wires if required
    • Panel resonance is controlled for minimal sound "coloration." No acousitical damping is needed
    • Recessed Speaker Installation Systems for: T-Bar suspended ceiling construction and Drywall ceiling construction
  • PB8 Plenum Support Bridge

    For additional information, click on image.

    PB8 - Plenum Support Bridge

    Product Description

    Support bridge spans 2' x 2' or 2' x 4' panel in T-Bar grid ceiling construction. Locate mounting hole in center of ceiling panel. Accepts Fourjay baffles RE8, RF8 and CR8 series, and industry standard 8" baffles along with 6 1/2" swivel tab mount speakers.

    Product Technical Specifications

    • For suspended ceiling tile speaker installations
    • Spans 2ft dimension of 2' x 2' and 2' x 4' tiles
    • For Tee Bar tiles larger than standard 2ft, use 3/4" angle stock to support bridge at side rails
    • Load deflection 1/8" max with 50lb load
    • 24 guage galvanized steel construction
    • Convenient tie points for support wires where required for safety and seismic security
  • PR8

    For additional information, click on image.

    PR8

    Product Description

    Ring optional part to secure bridge/enclosure in place before installing baffle or use as a "mud ring" for a new work construction. Assembles to PB8 or PW8

    Product Technical Specifications

    • Secures Model PE8 Enclosure and bridge assembly to ceiling before installing speaker/baffle
    • Complete assembly secured to ceiling with PR8 Seal Ring passes 3 hour fire endurance test
    • 24 gauge galvanized steel construction
    • Fits 10" hole in ceiling. Secures to bridge with furnished sheet metal screws
  • PT8

    For additional information, click on image.

    PT8

    Product Description

    Thermal Barrier heat enclosure used in fire barrier in ceiling costruction

    Product Technical Specifications

    • Cost effective Thermal Barrier for fire resistive construction
    • Pre-cut for easy assembly and installation
    • Tie-wire fasteners furnished
    • Non-combustible mineral fiber material, contains no aesbestos
    • Materila meets ASTM Fire Hazard and Non-Combustible standards. Designed to satisfy 1 to 3 hour Fire Resistance Requirements
    • NIOSH approved dust mask for installer safety provided with each standard package