NGP 683 Heavy-Duty Mortise Aut...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$160.00
$95.22

NGP 683 Heavy-Duty Mortise Automatic Door Bottom with Nylon Brush Seal - Mill Aluminum

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Model: 683-36

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

$160.00
$95.22
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NGP Heavy-Duty Mortise Automatic Door Bottom with Nylon Brush Seal - Mill Aluminum

Professional Automatic Door Sealing Solution

The NGP Heavy-Duty Mortise Automatic Door Bottom provides reliable sealing for commercial applications with its durable aluminum alloy 6063, T5 temper construction and nylon brush seal. Designed for mortise installation requiring 1" x 2-1/8" preparation, this automatic door bottom accommodates doors from 11" to 60" in length with a maximum 7/8" drop. The synthetic polyamide brush seal offers excellent abrasion resistance and flexibility while operating effectively in temperature ranges from -70 F to 425 F.

Professional Features & Benefits

  • Heavy-Duty Construction: Aluminum alloy 6063, T5 temper provides exceptional durability and corrosion resistance for long-term commercial performance.
  • Flexible Length Options: Available in lengths from 11" to 60" with field cutting capability for doors 36" and longer (up to 4" reduction).
  • Mortise Installation: Requires 1" x 2-1/8" mortise preparation for secure, flush-mounted installation in door bottom rail.
  • Temperature Resilience: Operates reliably in extreme temperature conditions from -70 F to 425 F for diverse climate applications.
  • Carpet-Friendly Design: Nylon brush seal is specifically recommended for carpet applications where no threshold is provided.
  • Fire Rating Compatibility: Suitable for up to 3-hour metal doors and 45-minute wood doors for fire-rated applications.
  • Professional Installation Hardware: Includes #4 x 5/8" SMS screws and anodized aluminum end caps standard with DKB end caps available upon specification.
  • Precision Sizing: Doors 36" and longer are furnished 1/2" shorter than ordered to ensure proper fit within net door size.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Hang Type: Offset Hung
  • Product Category: Door Trim and Accessories
  • Product Group: Door Trim and Accessories
  • Product Subgroup: Door Thresholds
  • Product Type: Thresholds - Saddle
  • Series: Offset Threshold Series
  • Subcategory: Thresholds

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 bottoms deliver professional-grade reliability with aluminum alloy 6063, T5 temper construction and synthetic polyamide brush seals engineered for excellent abrasion resistance and flexibility. The temperature range capability from -70 F to 425 F ensures dependable performance in demanding commercial applications where consistent sealing and durability are essential.

Manufacturer Resources

Product Specs

Product Group:
Door Trim and Accessories
Series:
Offset Threshold Series
Product Subgroup:
Door Thresholds
Product Type:
Thresholds - Saddle
Subcategory:
Thresholds
Commercial/Residential:
Commercial
Hang Type:
Offset Hung
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 683-36 – Frequently Asked Questions

How fast can I get the NGP 683-36 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 683-36 come with a warranty?
Absolutely. The NGP 683-36 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 683-36?
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 683-36 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.