Zero 365AA Heavy-Duty Surface Mounted Automatic Door Bottom

Usually Ships: 20-30 Days
  • Surface-mounted
  • Neoprene and Zero Quiet seals
  • Fire-rated and sound tested

Available Options:


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
  • Neoprene and Zero Quiet Seal
  • Fire-rated UL10C
  • Sound rated for acoustic door systems
  • Air infiltration tested
  • ANSI/BHMA: R3B3341


36", 42", 48"


Clear Anodized Aluminum

Fire Rating

Fire Rated – UL10C – Positive Pressure