NGP 229SSS 36 Stainless Steel ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$236.00

NGP 229SSS 36 Stainless Steel Automatic Door Bottom with Silicone Seal - 36" BHMA Grade 1 Certified

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Model: 229SSS 36
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$236.00
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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.

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

NGP 229SSS 36 – Frequently Asked Questions

1) What is the NGP 229SSS automatic door bottom seal used for?
The NGP 229SSS provides automatic sealing at the bottom of doors. The stainless steel construction offers corrosion resistance for commercial applications. The silicone seal creates an effective barrier against air, sound, and moisture.
2) What door thickness does this 36-inch seal fit?
Verify the door thickness compatibility with the manufacturer specifications. Most automatic door bottoms accommodate standard commercial door thicknesses. Check the mounting template to ensure proper fit before installation.
3) How does the automatic mechanism work?
The automatic door bottom activates when the door closes, dropping the seal to contact the threshold. When the door opens, the mechanism retracts the seal. This prevents drag during door operation while maintaining a tight seal when closed.
4) What finish does the stainless steel have?
The NGP 229SSS features stainless steel construction for durability and corrosion resistance. Specific finish details should be verified with manufacturer documentation. Stainless steel provides a professional appearance suitable for commercial applications.
5) Is this suitable for fire-rated doors?
Check with the manufacturer and local authorities for fire rating compatibility. Some automatic door bottoms are approved for fire-rated assemblies. Verify compliance with applicable building codes before installation on fire doors.
6) What tools are needed for installation?
Installation typically requires a drill, appropriate drill bits, screwdrivers, and measuring tools. A router may be needed for mortising depending on the door construction. Follow the manufacturer template for precise positioning and cutting.
7) Can the seal height be adjusted?
Many automatic door bottoms offer adjustment capabilities for proper sealing. Check the product documentation for adjustment procedures. Proper adjustment ensures the seal contacts the threshold without excessive pressure that could cause premature wear.
8) How do I maintain this door seal?
Regular cleaning of the track and mechanism prevents debris buildup. Inspect the silicone seal for wear or damage. Lubricate moving parts as recommended by the manufacturer. Replace worn seals to maintain effective performance.
9) Are replacement parts available?
Replacement seals and mechanisms are typically available for automatic door bottoms. Contact the manufacturer or check our door hardware section for compatible parts and accessories.
10) What threshold works best with this seal?
Smooth, level thresholds provide the best sealing performance. The threshold surface should be clean and free of irregularities. Coordinate with threshold selection to ensure compatible profiles for optimal sealing.
11) How do I measure for the correct size?
Measure the door width accurately. This 36-inch model fits doors of that width. Account for any door edge preparation requirements. The seal should span the full door width for complete coverage.
12) Will this work in high-traffic areas?
The stainless steel construction and automatic operation make this suitable for commercial high-traffic applications. Regular maintenance becomes more critical with heavy use. Monitor seal condition and mechanism operation in demanding environments.
How fast can I get the NGP 229SSS 36 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the NGP 229SSS 36 come with a warranty?
Absolutely. The NGP 229SSS 36 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the NGP 229SSS 36?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the NGP 229SSS 36 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.