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253 Series
The 253 Series 3" wide Half Saddle Threshold effectively fills offset floors by 1/2" to create a smooth transition between different floor surfaces. It's BHMA certified, fire rated, and can be custom cut to size.
Features
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Integrated channel to connecting thermal keys
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Wood screw standard, other fasteners available
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Fire rated
Benefits
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Can be used with other half saddles to make custom size and configuration saddles
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ADA accessible if butted to a 1/2" offset
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Creates a smooth transition between different floor surfaces
Specifications
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Base Material: Aluminum, Brass
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Fasteners: WS #10 x 1.5"
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Maximum Length: 185"
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Minimum Length: 24"
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Overall Height: 1/2"
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Weight: 0.56 lbs
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Width: 3"
Certifications
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UL 10C positive pressure
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UL 4L10 listed
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Americans with Disabilities Act (ADA) Compliant
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ANSI/BHMA A117.1
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ANSI/BHMA A156.21 Thresholds
Manufacturer Resources
Product Specs
- Subcategory:
- Thresholds
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Thresholds
- Product Type:
- Commercial Thresholds
- Product Model:
- 253
- Product Dimension:
- W :3", H:1/2"
- Product Category:
- Door Trim and Accessories
Pemko 253A 36 – Frequently Asked Questions
1) What is the Pemko 253 Series half saddle threshold used for?
The Pemko 253 Series creates a weather seal at door bottoms while providing smooth transitions between floor surfaces. The half saddle design works with inswing doors where space underneath is limited.
2) What door types are compatible with this threshold?
This threshold works with most inswing doors including wood, steel, and fiberglass. Verify door bottom clearance matches the 1/2 inch height. Check with door sweep or weatherstrip manufacturer for compatibility.
3) How do I determine the correct length needed?
Measure the door opening width from jamb to jamb. The threshold should fit snugly between door jambs. Standard lengths are available or field cutting may be required for custom fits.
4) What finish options are available for the 253 Series?
Pemko 253 Series typically comes in mill finish aluminum, dark bronze anodized, or clear anodized finishes. Match finish to door hardware and frame for consistent appearance.
5) Does this threshold meet building code requirements?
The 1/2 inch height generally complies with ADA accessibility guidelines for exterior thresholds. Verify local building codes for specific requirements. Some jurisdictions may have different height restrictions.
6) What accessories work with the Pemko 253 Series?
Compatible accessories include door weatherstripping and door sweeps. Check Pemko specifications for recommended sweep models that seal properly against this threshold profile.
7) How is the threshold installed?
Installation requires fastening to the floor with screws through pre-drilled holes. Use appropriate anchors for concrete or wood subfloors. Apply sealant under threshold edges to prevent water infiltration.
8) Can this threshold be cut to fit custom widths?
Yes, aluminum thresholds can be field cut with standard metal cutting tools. Use fine-tooth saw blade and file cut ends smooth. Apply touch-up finish to cut ends if needed.
9) What maintenance does this threshold require?
Clean regularly with mild soap and water to remove dirt and debris. Check sealant annually and reapply if cracking occurs. Inspect fasteners periodically and tighten if loose.
10) How does this compare to other Pemko threshold models?
The 253 Series offers a lower profile than full saddle thresholds while providing better weather protection than flat thresholds. Consider other Pemko threshold options for different height requirements.
11) What floor conditions work best with this threshold?
Works on level, solid surfaces including concrete, wood subfloor, and tile. Floor must be structurally sound to support fastening. Uneven surfaces may require shimming or leveling compound.
12) What are the key measurements for installation planning?
The threshold measures 3 inches wide and 1/2 inch high. Verify door clearance allows proper operation over the threshold. Check that door bottom seals make contact without binding during operation.
How fast can I get the Pemko 253A 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 253A 36 come with a warranty?
Absolutely. The Pemko 253A 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 253A 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 253A 36 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
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every order.
Our team is always ready to help you choose the right product for your project.