Product Overview
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 solid neoprene extrusion
- Air Infiltration and sound tested
- Fire-rated UL10C
- ANSI/BHMA: R3B3341
Brand | |
---|---|
Length | 36", 42", 48" |
Finishes | Clear Anodized Aluminum |
Fire Rating | Fire Rated – UL10C – Positive Pressure |
Related Products
Zero 351AA Surface Mounted Automatic Door Bottom with Neoprene Seal