NGP 520 Automatic Door Bottom ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$159.87
NGP NGP 520 Automatic Door Bottom with Neoprene Seal, Heavy Duty Surface NGP-520

NGP 520 Automatic Door Bottom with Neoprene Seal - Heavy Duty Surface Mount

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Model: 520NA-36
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$159.87
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NGP 520 Automatic Door Bottom with Neoprene Seal - Heavy Duty Surface Mount

Professional Automatic Door Sealing Solution

The NGP 520 Automatic Door Bottom delivers professional-grade door sealing with BHMA certified performance to ANSI/BHMA A156.22 standards. Featuring aluminum alloy 6063 T5 temper construction with synthetic rubber polymer blend seal combining Chloroprene and EPDM materials, this heavy-duty surface mount unit provides reliable sealing across temperature ranges from -20 F to 200 F. Available in lengths from 11" minimum to 60" maximum with 7/8" maximum drop capability for versatile door applications.

Professional Features & Benefits

  • BHMA Grade 1 Certification: Certified to ANSI/BHMA A156.22 with 1,000,000 cycle testing for exceptional durability in high-traffic commercial applications.
  • Temperature Performance: BHMA certified performance testing for heat and cold with operational range from -20 F to 200 F for reliable year-round operation.
  • Heavy-Duty Construction: Aluminum alloy 6063 T5 temper housing provides superior strength and corrosion resistance for long-term commercial use.
  • Advanced Seal Technology: Synthetic rubber polymer blend combining Chloroprene and EPDM offers excellent abrasion resistance, tensile strength, and memory retention.
  • Weather Resistance: Flame resistant and moisture resistant materials with good resistance to ozone, sunlight, and aging for outdoor and demanding environments.
  • Flexible Sizing Options: Available in lengths from 11" to 60" with field cutting capability for 36" and longer units (up to 4" reduction) for custom fit applications.
  • Maximum Sealing Performance: 7/8" maximum drop with surface mount design on push side of door, recommended for use with threshold for optimal sealing.
  • Complete Installation Package: End caps furnished standard with options for half mortise applications and nylon brush for carpet applications without thresholds.

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
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose NGP Quality?

NGP automatic door bottom products deliver professional-grade reliability with aluminum alloy 6063 T5 temper construction and BHMA Grade 1 certification rated for 1,000,000 cycles. Advanced synthetic rubber polymer blend sealing technology provides superior performance across extreme temperature ranges from -20 F to 200 F. Engineered for demanding commercial applications where dependable weathersealing 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 520NA-36 – Frequently Asked Questions

How fast can I get the NGP 520NA-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 520NA-36 come with a warranty?
Absolutely. The NGP 520NA-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 520NA-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 520NA-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.
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