Product Overview
National Guard Products (NGP) 220S Surface Automatic Door Bottom with Silicone 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: Siloxane closed cell sponge
- Excellent flexibility and memory
- Flame resistant
- Moisture resistant
- Temperature range -100°F to 500°F, remains flexible at extreme temperatures
- Excellent resistance to ozone, UV and aging
- Recommended for areas using FM200 or Halon Fire Suppression Systems
- 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
- 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 |
NGP (National Guard) 220S Surface Mounted Acoustic Automatic Door Bottom