Zero 355AA Semi Mortised Automatic Door Bottom with Neoprene Seal

Usually Ships: 20-30 Business Days
  • Semi-mortised, 1/2″ drop
  • Supplied with neoprene seal
  • Fire rated-UL10c

Available Options:

Clear

The patented automatic door bottom technology from Zero ensures an efficient seal against the floor or saddle. As the door is closed, the adjustable plunger is compressed against the door frame, activating a concealed flat spring mechanism. Zero door bottoms are designed to block penetration by air, sound, smoke, and flames.

  • AA = Anodized aluminum
  • For use with hollow metal doors
  • Supplied without end caps
  • Supplied with solid neoprene extrusion
  • Air Infiltration and sound tested
  • Fire-rated UL10C
  • ANSI/BHMA: R3E3241
Brand

Length

36", 42", 48"

Finishes

Clear Anodized Aluminum

Fire Rating

Fire Rated – UL10C – Positive Pressure

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Zero 355AA Semi Mortised Automatic Door Bottom with Neoprene Seal