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, T6 Temper
- Synthetic EPDM Rubber in Polypropylene Thermoplastic Matrix
- Very Good Abrasion Resistance, Tensile Strength and Memory
- Flame-Resistant
- Moisture-Resistant
- Temperature Range -81°F to 275°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
- ADB’s from 12" to 18" Can be Cut Down 1/2". ADB’s 20" and Over Can be Cut Down up to 1-1/2"
- Minimum Length 11-1/2", Maximum Length 60"
- 3/4" Max Drop
- Steel End Caps Furnished Standard – Black Finish
- All Automatic Door Bottoms are Handed. Right Hand Supplied Unless Specified. Field Reversible
- Neoprene is Black
| Brand | |
|---|---|
| Finishes |
Clear Anodized Aluminum, Black Anodized Aluminum, Dark Bronze 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