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EXT Series
The EXT Series Aluminum Width Extenders provide a convenient solution for accommodating wider sill dimensions by easily hooking onto various Pemko thresholds. Featuring the necessary latching component at the lower end of the slope, the extenders are available in widths of 3/4", 2", and 3", and can be custom-cut to the desired size. Refer to the product specs for a visual representation of compatibility and installation.
Features
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Designed specifically for pre-hung doors
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Furnished un-drilled without screws or nails
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Fits all 4-7/8" wide and 5-3/4" wide extrusions
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Extenders are available for jambs as wide as 8-3/4"
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Not for use with 8451_Q
Benefits
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Accomodates wider sill dimensions
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Easily hooks into various Pemko thresholds
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Can be custom cut to size
Specifications
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Base Material: Aluminum
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Maximum Length: 148"
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Minimum Length: 6"
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Overall Height: 1/2"
Manufacturer Resources
Product Specs
- Category:
- Door Trim and Accessories
- Dimensions:
- W :4-7/8"
- 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
Pemko EXT3/4A 36 – 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 EXT3/4A 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 EXT3/4A 36 come with a warranty?
Absolutely. The Pemko EXT3/4A 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 EXT3/4A 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 EXT3/4A 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.