Pemko EXT Series Aluminum Thre...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$185.80
$60.59
Pemko EXT Series Aluminum Threshold Width Extenders with 3/4", 2", and 3" Options

Pemko EXT Series Aluminum Threshold Width Extenders with 3/4", 2", and 3" Options

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Model: EXT3D 72
$185.80
$60.59
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$185.80
$60.59
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Pemko EXT Series Aluminum Threshold Width Extenders with 3/4";, 2";, and 3"; Options

Professional Threshold Extension Solution for Pre-Hung Doors

The Pemko EXT Series Aluminum Width Extenders provide a convenient solution for accommodating wider sill dimensions by easily hooking onto various Pemko thresholds. These aluminum extenders are designed specifically for pre-hung doors and fit all 4-7/8"; wide and 5-3/4"; wide extrusions, with extenders available for jambs as wide as 8-3/4";. Available in widths of 3/4";, 2";, and 3"; with custom-cut capability and lengths from 6"; minimum to 148"; maximum.

Professional Features & Benefits

  • Width Compatibility: Available in 3/4";, 2";, and 3"; widths with custom-cut capability to accommodate various sill dimensions for flexible installation options.
  • Universal Threshold Compatibility: Fits all 4-7/8"; wide and 5-3/4"; wide extrusions with extenders available for jambs as wide as 8-3/4"; for versatile application.
  • Flexible Length Options: Available in lengths from 6"; minimum to 148"; maximum to accommodate various door widths and installation requirements.
  • Aluminum Construction: Durable aluminum base material provides long-lasting performance and corrosion resistance for demanding applications.
  • Easy Installation Design: Features necessary latching component at the lower end of the slope and easily hooks into various Pemko thresholds for secure installation.
  • Pre-Hung Door Optimization: Designed specifically for pre-hung door applications with furnished un-drilled configuration without screws or nails.
  • Professional Height Profile: 1/2"; overall height provides proper threshold extension without compromising door operation or clearance.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Door Trim and Accessories
  • Product Dimension: W: 4-7/8";
  • Product Group: Door Trim and Accessories
  • Product Model: EXT
  • Product Subgroup: Door Thresholds
  • Product Substrate: Aluminum
  • Product Type: Residential Thresholds and Sills for Pre-Hung Openings
  • Series: EXT Series
  • Subcategory: Door Thresholds

Professional Applications

  • Residential Pre-Hung Door Installations
  • Commercial Building Entrance Systems
  • Multi-Unit Residential Properties
  • Renovation and Retrofit Projects
  • Custom Door Frame Applications
  • Threshold Repair and Upgrade Projects

Why Choose Pemko Quality?

Pemko EXT Series Width Extenders deliver professional-grade reliability with durable aluminum construction and precise engineering for pre-hung door applications. Available in multiple widths from 3/4"; to 3"; with custom-cut capability and length options from 6"; to 148";, these extenders provide the flexibility needed for various installation requirements. Engineered for demanding residential and commercial applications where dependable threshold performance is essential.

Product Specs

Subcategory:
Door Thresholds
Product Group:
Door Trim and Accessories
Product Subgroup:
Door Thresholds
Product Type:
Residential Thresholds and Sills for Pre-Hung Openings
Product Model:
EXT
Product Dimension:
W: 4-7/8"
Product Category:
Door Trim and Accessories
Department:
Door Hardware
Product Substrate:
Aluminum
Series:
EXT Series

Pemko EXT3D 72 – Frequently Asked Questions

1) What are Pemko EXT Series aluminum width extenders used for?
EXT Series extenders adjust door frame widths to accommodate different door sizes. They provide a clean finish when door frames are wider than the door itself.
2) Which door types are compatible with EXT Series extenders?
These extenders work with hollow metal frames and wood frames. Check frame depth and configuration before ordering to ensure proper fit.
3) How do I determine the correct extender width?
Measure the gap between door edge and frame stop. Order extender width that covers this gap plus overlap for proper coverage.
4) What finishes are available for EXT Series extenders?
Standard mill aluminum finish is common. Some models may offer painted or anodized options. Verify finish availability for your specific width requirement.
5) What is the load capacity of these aluminum extenders?
EXT Series handles standard commercial door weights when properly installed. Verify door weight and hinge capacity for heavy doors over 200 pounds.
6) Do these extenders meet building code requirements?
Pemko EXT Series typically meets commercial building codes. Check local fire rating and accessibility requirements for your specific application.
7) What hardware comes with EXT Series extenders?
Most units include mounting screws. Additional hardware may be needed depending on frame material and thickness. Review installation instructions for complete hardware list.
8) How are these extenders installed on door frames?
Mount using provided screws through pre-drilled holes. Ensure flush alignment with frame face. Use manufacturer template for accurate positioning.
9) Do EXT Series extenders require maintenance?
Minimal maintenance required. Check mounting screws periodically for tightness. Clean with mild soap and water to maintain appearance.
10) Can these extenders be cut to custom lengths?
Standard lengths can be field-cut with proper aluminum cutting tools. Make clean straight cuts and deburr edges for professional appearance.
11) What other frame modification options does Pemko offer?
Browse our full Pemko collection for frame seals, thresholds, and other frame hardware solutions.
How fast can I get the Pemko EXT3D 72 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 EXT3D 72 come with a warranty?
Absolutely. The Pemko EXT3D 72 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 EXT3D 72?
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 EXT3D 72 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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