4448WH-48

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List Price

$131.00 / EA.

Mill Aluminum Single Actuated Automatic Door Bottom with Nylon Brush Insert

Product Features

  • Aluminum alloy 6063, T5 temper
  • Synthetic polymer: Polyamide
  • Excellent abrasion resistance, flexibility and memory
  • Moisture resistant
  • Retains insecticides well
  • Temperature range -70°F to 425°F
  • BHMA Certified to ANSI/BHMA A156.22 performance tests for heat, cold, air infiltration and smoke infiltration in most common profiles as indicated by BHMA Certified symbol
  • REACH and RoHS compliant
  • Not effective against water penetration
  • Matches design of dual actuated door bottoms. For use on pairs of doors or field size for single doors
  • Low compression & operating force
  • Concealed fasteners
  • Furnished 1/4" shorter than ordered to fit net door size. (i.e. 36" is furnished 35-3/4" net)
  • Available 24" to 96" in length. May be field cut up to 3"
  • Mortise required, 7/8" x 1-3/16"
  • #4 x 5/8" SMS furnished
  • 1/2" max drop
  • Nylon brush is gray
  • Mill aluminum

Certifications

  • 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.

  • ANSI/BHMA CERTIFIED. Certified Gasketing complies with American National Standard for Door Gasketing and Edge Sealing Systems ANSI/BHMA A156.22 and is listed in the BHMA Certified Products Directory.

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