NGP 320 Mill Aluminum Hollow M...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$80.50
$45.68
NGP NGP 320 Mill Aluminum Hollow Metal Mortise Automatic Door Bottom NGP-320

NGP 320 Mill Aluminum Hollow Metal Mortise Automatic Door Bottom with TPV Seal

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Model: 320N-36

In Stock (leaves warehouse same day if ordered before 3pm ET)

$80.50
$45.68
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NGP 320 Mill Aluminum Hollow Metal Mortise Automatic Door Bottom with TPV Seal

Professional Automatic Door Bottom Solution for Commercial Applications

The NGP 320 Mill Aluminum Hollow Metal Mortise Automatic Door Bottom provides reliable weathersealing for commercial hollow metal doors. Constructed from aluminum alloy 6063 with T5 temper for durability, this automatic door bottom fits in 1-5/8" x 3/4" channels and offers a 1/2" maximum drop. Available in lengths from 24" to 48" and furnished 1/2" shorter than ordered to fit within net door size, with field cutting capability up to 4".

Professional Features & Benefits

  • Precision Channel Fit: Designed for 1-5/8" x 3/4" channels with furring strip compatibility for deeper channel applications.
  • Flexible Length Options: Available 24" to 48" in length, furnished 1/2" shorter than ordered for proper door fit, with field cutting capability up to 4".
  • Durable Aluminum Construction: Aluminum alloy 6063 with T5 temper provides excellent strength and corrosion resistance for long-term performance.
  • Fire-Rated Performance: Fire ratings apply to metal doors only, ensuring code compliance in commercial applications.
  • Multiple Seal Options: Available with NGP-TPV seal (temperature range -80 F to 275 F), Silicone seal (-100 F to 500 F), or economical Vinyl seal (0 F to 140 F).
  • Weather Resistance: Flame resistant and moisture resistant construction protects against environmental elements.
  • Professional Installation: Includes #4 x 5/8" SMS fasteners for secure mounting to hollow metal doors.

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

Seal Material Options

Choose from three seal materials to match application requirements: NGP-TPV seal offers excellent abrasion resistance and memory with temperature range -80 F to 275 F and good resistance to ozone, sunlight and aging. Silicone seal provides superior flexibility and memory with extended temperature range -100 F to 500 F and excellent resistance to ozone, UV and aging. Vinyl seal offers an economical solution with 0 F to 140 F temperature range using environmentally friendly bio-based plasticizer.

Why Choose NGP Quality?

NGP automatic door bottoms deliver professional-grade weathersealing with aluminum alloy 6063 T5 temper construction engineered for demanding commercial applications. The flame resistant and moisture resistant design ensures reliable performance in challenging environments where dependable door sealing is 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 320N-36 – Frequently Asked Questions

How fast can I get the NGP 320N-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 320N-36 come with a warranty?
Absolutely. The NGP 320N-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 320N-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 320N-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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