Product Overview
National Guard Products (NGP) 225S Mill Aluminum Mortise 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
- 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
- 36" and longer are furnished 1/2" shorter than ordered to fit within net door size. (i.e. 36" is furnished 35-1/2")
- Available 11" net to 60" in length
- End caps furnished standard
- Mortise required 3/4" x 1-15/16"
- 7/8" max drop
- Silicone is gray
- Mill aluminum
| Brand |
NGP (National Guard) |
|---|---|
| Finish |
Aluminum |
| Finishes |
Mill Finish Aluminum |
| Fire Rating |
Fire Rated – UL10C – Positive Pressure |
| Insert/Seal Type |
Silicone |
| Length |
48"36" |
NGP (National Guard) 225S Full Mortise Acoustic Automatic Door Bottom