Product Overview
National Guard Products (NGP) 420N Heavy Duty Surface Automatic Door Bottom with Neoprene Seal
- BHMA certified to ANSI/BHMA A156.22, 1,000,000 cycle test-grade 1
- BHMA certified to ANSI/BHMA A156.22 performance tests for heat and cold
- Aluminum alloy 6063, T5 temper
- Synthetic rubber polymer blend: PVC, Nitrile rubber (NBR), and Chloroprene closed cell advanced elastomeric foam
- Very good abrasion resistance, tensile strength and memory
- Flame resistant
- Moisture resistant
- Temperature range -20°F to 200°F
- Good resistance to ozone, sunlight and aging
- Mounts on push side of door
- Use with a threshold for maximum sealing capability
- Nylon brush recommended for carpet applications where no threshold is provided
- Specify exact net length required to avoid field sizing
- 36" and longer may be cut up to 4" in the field, under 36" should not be cut in the field, order net length
- Minimum length 11", maximum length 60"
- End caps furnished standard
- For half mortise applications specify HM in item number prior to finish (ie: 420NHMDKB)
- 7/8" max drop
- Anodized aluminum or DKB finish
| Brand | |
|---|---|
| Finishes |
DKB - Dark Bronze, Clear Anodized Aluminum |
| Length |
36", 48" |
| Fire-Rating |
Fire Rated – UL10C – Positive Pressure |
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NGP (National Guard) 420N Heavy-Duty Surface Mounted Automatic Door Bottom