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Zero 321AA Light-Duty Surface Mounted Automatic Door Bottom
Model: ZER-321AA
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,...
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Zero 350AA Regular-Duty Mortised Automatic Door Bottom
Model: ZER-350AA
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Zero 365AA Heavy-Duty Surface Mounted Automatic Door Bottom
Model: ZER-365AA
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,...
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Zero 367AA Heavy-Duty Surface Mounted Automatic Door Bottom
Model: ZER-367AA
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Zero 320 Regular Duty Automatic Door Bottom Clear Anodized Aluminum Finish
Model: 320AA
This automatic door bottom is designed to be fully mortised within a hollow interior of a door. It is fitted with a solid neoprene extrusion with a high quality mechanism that has been successfully...
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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
- Surface-mounted. Supplied with solid neoprene extrusion.
- Fire-rated UL10C
- ANSI/BHMA: R3B3241
Manufacturer Resources
Product Specs
- Commercial/Residential:
- Commercial
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Bottom Sweeps and Door Shoes
- Product Type:
- Door Bottom
- Rating:
- Fire Rated-UL10c
- Substrate:
- Aluminum
- Finish:
- Clear Anodized