NGP 321 Thermal Bridge Thresho...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$37.18

NGP 321 Thermal Bridge Threshold with Spline - 2" x 1/2" Aluminum Alloy Construction

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Model: 321-36
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$37.18
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NGP 321 Thermal Bridge Threshold with Spline - 2" x 1/2" Aluminum Alloy Construction

Professional Thermal Break Door Threshold Solution

The NGP 321 Thermal Bridge Threshold delivers professional-grade thermal break performance with precision-engineered aluminum alloy 6063, T5 temper construction. Measuring 2" wide x 1/2" tall with a fluted top design, this threshold provides ADA compliant installation when the non-beveled edge is flush with flooring or where no greater than 1/4" vertical rise occurs. The included spline and mill finish construction ensure reliable thermal barrier performance for commercial door applications.

Professional Features & Benefits

  • Precise Dimensions: 2" wide x 1/2" tall profile designed for standard door applications with optimal thermal break performance.
  • Premium Construction: Aluminum alloy 6063, T5 temper provides exceptional durability and corrosion resistance for long-term commercial use.
  • ADA Compliant Design: Meets accessibility requirements when installed with non-beveled edge flush with flooring or where no greater than 1/4" vertical rise occurs.
  • Thermal Break Engineering: Specifically designed for thermal break applications to reduce energy transfer and improve building efficiency.
  • Fluted Top Surface: Textured top provides enhanced traction and slip resistance for safe pedestrian traffic.
  • Complete Installation Package: Includes spline and #10 x 1-1/2" FH zinc plated wood screws for immediate installation readiness.
  • Lightweight Construction: At .34 lbs./ft. weight, provides easy handling and installation while maintaining structural integrity.
  • Standard Wall Compatibility: Typical wall thickness .110" accommodates most commercial door frame configurations.

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: Door Shoes
  • 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 thermal bridge thresholds deliver professional-grade reliability with aluminum alloy 6063, T5 temper construction engineered for demanding commercial applications. The precision 2" x 1/2" profile with fluted top design provides both thermal performance and ADA compliance capabilities. Engineered for demanding commercial applications where dependable thermal break performance and accessibility compliance are essential.

Manufacturer Resources

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Door Thresholds
Product Type:
Thresholds - Saddle
Subcategory:
Thresholds
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 321-36 – Frequently Asked Questions

How fast can I get the NGP 321-36 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 321-36 come with a warranty?
Absolutely. The NGP 321-36 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 321-36?
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 321-36 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.