Product Overview
Zero 369AA Heavy-Duty Full Mortise Automatic Door Bottom
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
- Supplied with double solid neoprene seal
- Fire-rated UL10C
- ANSI/BHMA: R3B3241
- Consult your local AHJ for maximum allowable door undercut
| Brand | |
|---|---|
| Length |
36", 42", 48" |
| Finishes |
Clear Anodized Aluminum |
| Fire-Rating |
Fire Rated – UL10C – Positive Pressure |
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