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NGP 428E Saddle Threshold Mill Aluminum 1/2" x 8" with Fluted Top
Model: NGP-428E
NGP 428E Saddle Threshold Mill Aluminum 1/2" x 8" with Fluted TopProfessional Door Threshold SolutionThe NGP 428E Saddle Threshold delivers commercial-grade door sealing performance with...
NGP
Starting at
$105.75
$83.01
NGP 426E Saddle Threshold Mill Aluminum 6" x 1/2" with Fluted Top
Professional Door Threshold Solution
The NGP 426E Saddle Threshold delivers professional-grade door transition performance with precision-extruded aluminum alloy 6063 construction in T5 temper. This 6" wide x 1/2" tall threshold features a fluted top surface for enhanced traction and typical wall thickness of .109" for structural integrity. Weighing .90 lbs./ft., this mill finish aluminum threshold includes #10 x 1-1/2" FH zinc plated wood screws for secure installation.
Professional Features & Benefits
- Precision Dimensions: 6" wide x 1/2" tall profile designed for standard door applications with optimal clearance and weather sealing.
- Heavy-Duty Construction: Aluminum alloy 6063 with T5 temper provides exceptional durability and corrosion resistance for long-term performance.
- Fluted Top Design: Textured surface enhances traction and slip resistance for safe pedestrian traffic.
- Structural Integrity: Typical wall thickness of .109" ensures reliable load-bearing capacity for commercial applications.
- Complete Installation Package: Includes #10 x 1-1/2" FH zinc plated wood screws for immediate installation readiness.
- Lightweight Design: At .90 lbs./ft., provides easy handling during installation while maintaining structural strength.
- Optional Safety Enhancement: SIA slip-resistant finish available for hazardous conditions where safety is a priority.
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Product Category: Door Trim and Accessories
- Product Group: Door Trim and Accessories
- Product Subgroup: Door Thresholds
- Product Type: Thresholds - Saddle
- Series: Saddle 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 threshold products deliver professional-grade reliability with precision-extruded aluminum alloy 6063 construction and T5 temper rating for demanding commercial applications. The fluted top design and optional SIA slip-resistant finish demonstrate NGP's commitment to both performance and safety. Engineered for demanding commercial applications where dependable performance and pedestrian safety are essential.
Manufacturer Resources
NGP Threshold Catalog
Product Specs
- Product Group:
- Door Trim and Accessories
- Series:
- Saddle Threshold Series
- Product Subgroup:
- Door Thresholds
- Product Type:
- Thresholds - Saddle
- Subcategory:
- Thresholds
- Commercial/Residential:
- Commercial
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware
NGP 426E 36 – Frequently Asked Questions
1) What lengths does the NGP 426E saddle threshold come in?
The 426E is stocked in 36, 42, 48, 72, 84 and 96 inch lengths. The 36 and 42 inch sizes cover single door openings, 72 inches handles most pairs, and the 84 and 96 inch pieces are for wide pairs or for cutting down on site. Aluminum extrusion cuts cleanly with a miter saw and a non-ferrous blade.
2) Does the NGP 426E come with fasteners, or do I need to buy screws separately?
Screws are in the box: #10 x 1-1/2 inch flat head zinc plated wood screws. Those are sized for wood substrate. If you are anchoring into concrete, you will need your own sleeve anchors or Tapcons instead, since the supplied wood screws will not hold in slab.
3) I need a saddle threshold for a fire rated opening - does the NGP 426E work or should I look at something else?
The NGP 426E is a mill aluminum saddle built for commercial door transitions with a fluted walking surface, and it is specified on dimension and material rather than on a fire rating. When the door schedule calls out a fire rated threshold specifically, the Cal-Royal CR3700 saddle threshold is described with a 3-hour positive pressure fire rating, and the Cal-Royal CR2000 saddle series is described as fire rated and ADA compliant. Take the rating requirement off the door schedule and match it to those series.
4) Is the NGP 426E strong enough for a high traffic commercial entrance?
It is built for commercial duty: 6063 aluminum alloy in T5 temper with a typical wall thickness of .109 inch, which is what carries foot and cart traffic without the top deflecting. The fluted top adds traction underfoot. For wet or icy entries, NGP offers an SIA slip resistant finish as an option on this profile.
5) What is the difference between the NGP 426E and a Pemko 272 or Cal-Royal saddle threshold?
All are saddle thresholds, but they are not the same profile. The 426E is 6 inches wide by 1/2 inch tall with a fluted top in 6063-T5 aluminum. The Pemko 272 Series is a flat saddle at 1/4 inch by 6 inches, so it sits lower and has no raised crown. Cal-Royal's saddle offerings include the CR2000 Series and the CR3700 Series. Pick on height and top texture first, since those decide door undercut and traction.
6) Can I swap a Pemko 272 in where an NGP 426E is already installed?
The two share the 6 inch width, so the bearing area on the sill and the anchor pattern across the opening are comparable, but they are not the same height: the NGP 426E stands 1/2 inch tall and the Pemko 272 is a 1/4 inch flat saddle. Dropping 1/4 inch changes the gap under the door leaf, so check the door bottom sweep or shoe before you substitute. The 426E also ships with #10 x 1-1/2 inch flat head zinc plated wood screws, and the 272 is a separate heavy-duty aluminum extrusion with its own fastening.
7) What threshold should I standardize on across a building if some openings are fire rated and others are not?
For the non-rated interior and exterior transitions, the NGP 426E gives you one 6 inch x 1/2 inch mill aluminum saddle in 36, 42, 48, 72, 84 and 96 inch lengths, which covers single leaves through pairs off one part number. For the rated openings in the same facility, the Cal-Royal CR3700 series is described with a 3-hour positive pressure fire rating and the CR2000 series as fire rated. Running the 426E as the base saddle and the Cal-Royal series only where the rating is required keeps the stocked list short.
8) What finish is the NGP 426E and will it match my other thresholds?
Mill aluminum, the standard untreated silver finish on extruded thresholds. It matches the typical mill finish saddle already sitting in most commercial openings, so replacing one door in a run will not stand out. If slip resistance matters more than appearance, the SIA finish is the alternative surface offered on this threshold.
How fast can I get the NGP 426E 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 426E 36 come with a warranty?
Absolutely. The NGP 426E 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 426E 36?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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selection,
installation tips, and troubleshooting. Contact Us
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