4440SDKB-48

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List Price

$247.00 / EA.

DKB-finish Aluminum Dual Actuated Automatic Door Bottom with Silicone Seal

Product Features

  • Aluminum alloy 6063, T5 temper
  • Synthetic rubber polymer: Siloxane
  • Excellent flexibility and memory
  • Flame resistant
  • Moisture resistant
  • Temperature range -100°F to 500°F, remains flexible at extreme temperatures
  • Excellent resistance to ozone, UV and aging
  • Recommended for areas using FM200 or Halon Fire Suppression Systems
  • WILL NOT FUNCTION ON PAIRS OF DOORS
  • Actuated by frame stop on both ends
  • Low compression & operating force
  • Concealed fasteners
  • For pairs use matching single actuated door bottoms
  • Furnished 1-3/8" shorter than ordered to fit between stops on frame. (i.e. 36" is furnished 34-5/8")
  • #6 x 3/4" TEK furnished
  • Available 24" to 96" in length
  • May be field cut up to 3"
  • 1/2" max drop
  • Silicone is gray
  • Dark bronze finish

Standards

  • CERTIFIED by UL to CAN/ULC-S104 and ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.

  • POSITIVE PRESSURE - CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80 and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.

  • AIR INFILTRATION TESTED to ASTM E283, Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.

  • SMOKE & DRAFT CONTROL GASKETING. Certified by UL to ANSI/UL10C and ANSI/UL1784 Category ‘H’; complies with IBC and NFPA 105 for use on ‘S’ labeled Positive Pressure Hollow Metal fire doors rated up to 3 hours, and Wood fire doors rated up to 90 minutes.

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