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Zero 350AA Automatic Door Bottom, Regular Duty, Aluminum Clear Anodized

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
  • Fire-rated UL10C
  • ANSI/BHMA: R3B3241
Brand

Length

36", 42", 48"

Finishes

Clear Anodized Aluminum

Fire-Rating

Fire Rated – UL10C – Positive Pressure

350AA Full Mortise Automatic Door Bottom
Zero 350AA Full Mortise Automatic Door Bottom