NGP Stainless Steel Automatic Door Bottom with Silicone Seal - 36" BHMA Grade 1 Certified
Professional Automatic Door Sealing Solution
The NGP 229SSS automatic door bottom delivers professional-grade sealing performance with BHMA Grade 1 certification to ANSI/BHMA A156.22 standards. This 36" stainless steel door bottom features siloxane closed cell sponge sealing material rated for 1,000,000 cycles, providing exceptional durability for high-traffic commercial applications. The Type 304 stainless steel construction with brushed #4 finish (US32D, 630) ensures long-lasting performance in demanding environments.
Professional Features & Benefits
- 36" Length: Standard 36" length suitable for most commercial door applications with field cutting capability up to 4" for precise fit.
- BHMA Grade 1 Durability: Certified to 1,000,000 cycle test per ANSI/BHMA A156.22 for exceptional longevity in high-traffic installations.
- Extreme Temperature Performance: Operating range from -100 F to 500 F with BHMA certification for heat and cold performance tests, maintaining flexibility at temperature extremes.
- Type 304 Stainless Steel Construction: Corrosion-resistant stainless steel housing with brushed #4 finish (US32D, 630) provides professional appearance and durability.
- Advanced Siloxane Sealing: Closed cell sponge siloxane material offers excellent flexibility, memory, flame resistance, and moisture resistance with superior ozone and UV resistance.
- Fire Suppression System Compatible: Recommended for areas using FM200 or Halon fire suppression systems due to material compatibility and performance characteristics.
- Flexible Installation Options: Mounts on push side of door with 7/8" maximum drop, includes standard end caps, and accommodates both threshold and carpet applications.
- Professional Sizing Options: Available in lengths from 11" minimum to 60" maximum with field cutting capability for 36" and longer units to avoid field sizing issues.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Product Category: Door Trim and Accessories
- Product Group: Door Trim and Accessories
- Product Subgroup: Door Bottom Sweeps and Door Shoes
- Product Type: Automatic Door Bottoms
- Subcategory: Gaskets & Weatherstripping
Professional Applications
- Commercial Office Buildings
- Healthcare Facilities
- Educational Institutions
- Fire-Rated Door Assemblies
- Areas with FM200 or Halon Fire Suppression Systems
- High-Traffic Commercial Entrances
- Temperature-Controlled Environments
Why Choose NGP Quality?
NGP automatic door bottoms deliver professional-grade reliability with Type 304 stainless steel construction and BHMA Grade 1 certification for 1,000,000 cycles. The advanced siloxane sealing material maintains performance from -100 F to 500 F while providing excellent resistance to ozone, UV, and aging. Engineered for demanding commercial applications where dependable sealing performance and long-term durability are essential.
Manufacturer Resources
Product Specs
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Bottom Sweeps and Door Shoes
- Product Type:
- Automatic Door Bottoms
- Subcategory:
- Gaskets & Weatherstripping
- Commercial/Residential:
- Commercial
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware