Pemko 254 Series Half Saddle T...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$53.73
$40.84
Pemko 254 Series Half Saddle Threshold 4" Width 1/2" Height Fire Rated - Dark Bronze Anodized Aluminum, angled product view

Pemko 254 Series Half Saddle Threshold 4" Width 1/2" Height Fire Rated

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Model: 254A 36
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$53.73
$40.84
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Pemko 254 Series Half Saddle Threshold - 4" Wide, 1/2" Height, Fire Rated

The Pemko 254 Series Half Saddle Threshold delivers a code-compliant, fire-rated floor transition for commercial doorways with a 1/2" height offset. At 4" wide, it fills offset floors cleanly and creates smooth, ADA-accessible transitions between different floor surfaces. UL-listed for positive pressure fire assemblies and BHMA certified, it is built for the demanding environments where performance and compliance are non-negotiable.

Features & Benefits

  • Fire-Rated: UL 10C positive pressure and UL 4L10 listed for use in fire-rated door assemblies.
  • ADA Compliant: ADA accessible when butted to a 1/2" offset floor, meeting accessibility requirements for commercial installations.
  • BHMA Certified: Meets BHMA standards for commercial-grade threshold performance and durability.
  • Integrated Thermal Channel: Built-in channel accepts thermal keys for enhanced fire protection and thermal barrier performance in rated assemblies.
  • Custom Length Range: Available from 24" minimum to 185" maximum - order to length for precise fit without field cutting waste.
  • Modular Compatibility: Can be paired with other half saddles to build custom-width saddle configurations for complex openings.
  • Flexible Fastening: Wood screw fasteners standard; additional fastener options available for concrete and other substrates.

Technical Specifications

  • Series: 254 Series
  • Width: 4"
  • Height: 1/2"
  • Material: Aluminum alloy
  • Finish Options: Mill Finish Aluminum (254A), Dark Bronze Anodized Aluminum (254D)
  • Standard Lengths: 36", 72" (custom cut 24" - 185" available)
  • Fire Rating: UL 10C Positive Pressure, UL 4L10
  • ADA: Accessible at 1/2" offset
  • Fasteners: Wood screws standard; alternate options available

Typical Applications

  • Commercial office buildings
  • Educational facilities
  • Healthcare institutions
  • Retail establishments
  • Industrial and warehouse facilities
  • Multi-tenant residential properties
  • Government and municipal buildings

Why Pemko 254?

Pemko's 254 Series combines aluminum alloy durability with a full stack of compliance credentials - UL 10C, UL 4L10, BHMA, and ADA - so specifiers and installers can close out fire-rated openings with confidence. The custom length program (24" to 185") means fewer field modifications and cleaner installs across any door width.

Product Specs

Subcategory:
Thresholds
Product Group:
Door Trim and Accessories
Product Subgroup:
Door Thresholds
Product Type:
Commercial Thresholds
Product Model:
254
Product Dimension:
W: 4", H: 1/2"
Product Category:
Door Trim and Accessories
Department:
Door Hardware
Series:
254 Series

Pemko 254A 36 – Frequently Asked Questions

1) Will the Pemko 254 half saddle threshold work where my finish floors are at different heights?
That is what the 254 is for. It's a half saddle 4 inches wide with a 1/2 inch height, so it caps a floor transition where one side sits 1/2 inch below the other. Butted to a 1/2 inch offset floor it meets ADA accessibility. If your two floors are level with each other, a half saddle is the wrong shape, you want a full saddle that ramps both sides.
2) Is the Pemko 254 threshold fire rated for a labeled opening?
Yes. The 254 Series is UL 10C positive pressure and UL 4L10 listed for use in fire rated door assemblies, and it is BHMA certified. It also has an integrated channel that accepts thermal keys for the thermal barrier in rated assemblies, which is the detail an inspector on a labeled opening will look for.
3) Does a 1/2 inch high threshold pass ADA in a commercial building?
At 1/2 inch the 254 is at the accessible limit, and it is ADA accessible specifically when butted to a 1/2 inch offset floor, meaning the high floor comes up to the top of the saddle and the walking surface stays flush. Drop the same saddle onto a level floor and you have created a 1/2 inch upstand instead of a transition, which is a different condition entirely.
4) What finishes is the Pemko 254 half saddle available in?
Two: mill finish aluminum and dark bronze anodized aluminum. Both are offered in the 36 inch and 72 inch stock lengths. Mill is the raw aluminum look that disappears against most commercial flooring; dark bronze anodized is the one to specify when the openings are already bronze trimmed and you want the threshold to match the door frames.
5) Can I use the Pemko 254 threshold on a concrete slab, or is it only for wood floors?
Both. Wood screws ship as the standard fastener, and alternate fastener options are available for concrete and other substrates, so an interior wood subfloor and a slab on grade opening both take the same 254 saddle. Specify the fastener type with the order rather than assuming the screws in the box suit your floor.
6) My offset floor needs more than 4 inches of coverage. Can I combine Pemko 254 saddles?
Yes. Half saddles are made to be paired, so two or more 254 sections can be set side by side to build a wider saddle across a deep transition or an odd shaped opening. Each piece stays 4 inches wide at 1/2 inch height, so the height at the door stays the same no matter how many you gang together.
7) How do I order the right Pemko 254 saddle, 254A or 254D?
The suffix is the finish: 254A is mill finish aluminum and 254D is dark bronze anodized aluminum. After the finish you specify length, either the 36 inch or 72 inch stock size or a cut length anywhere from 24 to 185 inches. Fastener type is the third call, wood screws unless you ask for the concrete option.
8) What is the Pemko 254 threshold made of and will it hold up to cart and foot traffic?
Aluminum alloy, BHMA certified to commercial threshold performance standards. That is the material used across corridor and entry openings in offices, schools, hospitals, retail, warehouses and government buildings, which is where the 254 is normally specified. For a maintenance department standardizing across a facility, the mill and dark bronze options let one profile cover every opening.
How fast can I get the Pemko 254A 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 Pemko 254A 36 come with a warranty?
Absolutely. The Pemko 254A 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 Pemko 254A 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 Pemko 254A 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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