Kawneer KW450388-40 COC Blank ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$79.32
$65.09
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Kawneer KW450388-40 COC Blank Header and T-Bar Filler for Trifab VG 450/451, 36" Device Opening

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Model: KW450388-40

In Stock (leaves warehouse same day if ordered before 3pm ET)

$79.32
$65.09
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Kawneer KW450388-40 COC Blank Header and T-Bar Filler for Trifab VG 450/451, 36" Device Opening

The Kawneer KW450388-40 is a COC Blank Header and T-Bar Filler engineered specifically for use with Kawneer Trifab VG 450 and 451 framing systems. Designed to accommodate a 36" device opening, this commercial-grade replacement part provides a clean, finished appearance at the header while maintaining the structural integrity of the door frame assembly. Finished in Dark Bronze, this service part integrates seamlessly with compatible Trifab VG installations in commercial environments.

Key Features

  • Precise Device Opening Compatibility: Designed specifically for 36" device openings, ensuring accurate fit and finish within Trifab VG 450/451 framing systems.
  • Trifab VG 450/451 System Compatibility: Engineered exclusively for Kawneer Trifab VG 450 and 451 architectural framing profiles for direct, no-modification installation.
  • COC Blank Header Design: Provides a clean, unobstructed header closure for exit device openings where a blank (non-functional) filler is required.
  • T-Bar Filler Construction: Integrated T-Bar filler profile ensures proper alignment and secure seating within the Trifab VG frame assembly.
  • Dark Bronze Finish: Factory-applied Dark Bronze finish coordinates with standard Kawneer architectural framing finishes for a consistent, professional appearance.
  • Commercial-Grade Service Part: Sourced as an authentic Kawneer service part, designed for commercial door and framing applications requiring reliable, manufacturer-matched replacement components.
  • Exit Device Part Classification: Classified as an exit device part and replacement component, ideal for maintenance, renovation, or new construction projects using the Trifab VG 450/451 system.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Exit Device Parts
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: KW450388-40
  • Features: Kawneer Service Parts

Typical Applications

  • Commercial Office Building Entrance Systems
  • Educational Facility Door Frame Renovation
  • Healthcare Facility Architectural Framing Maintenance
  • Retail and Mixed-Use Commercial Construction
  • Government and Municipal Building Upgrades
  • Industrial Facility Door System Replacement
  • Multi-Tenant Commercial Property Maintenance

Why Kawneer KW450388-40?

Kawneer service parts are manufactured to precise architectural standards, ensuring direct compatibility with Trifab VG 450/451 framing systems without the need for field modification. The KW450388-40 COC Blank Header and T-Bar Filler delivers a manufacturer-matched solution for 36" device openings, providing facilities managers and contractors with confidence in fit, finish, and long-term performance across demanding commercial applications.

Manufacturer Resources

Kawneer Service Parts Catalog

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Exit Device Parts
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
KW450388-40
Features:
Kawneer Service Parts

Kawneer KW450388-40 – Frequently Asked Questions

1) What is the Kawneer KW450388-40 blank header and T-bar filler actually used for?
The KW450388-40 is a COC blank header and T-bar filler that closes off the header area above an exit device opening in a Kawneer Trifab VG 450 or 451 framing system. The blank profile means there is no functional cutout, it just gives a finished, unbroken header where the device opening is framed, and the integrated T-bar profile seats and aligns the piece in the frame. It is a Kawneer service replacement part, so it is what you order when the original header filler is damaged, missing, or being replaced during a storefront renovation.
2) Will this Kawneer header filler fit a Trifab VG 451 frame, or is it only for the 450?
It covers both. The KW450388-40 is made for Kawneer Trifab VG 450 and 451 architectural framing profiles, and Kawneer builds it to those profiles so it installs without field modification. It will not fit other Kawneer framing families or another manufacturer's storefront system.
3) Does the KW450388-40 work on a 42 inch device opening?
No. This part is sized for a 36 inch device opening in the Trifab VG frame. If your opening is a different width, you need the Kawneer header filler matched to that dimension, not this one, since the blank header is cut to the opening size rather than field trimmed.
4) What finish does the Kawneer KW450388-40 come in, and will it match my existing storefront?
Dark Bronze, factory applied, and it is the only finish this part number carries. Kawneer uses Dark Bronze as one of its standard architectural framing finishes, so it coordinates with a Dark Bronze Trifab VG entrance. If your frames are clear anodized, black, or a painted color, this part number will not match and you would want the same filler in your frame's finish.
5) Does the KW450388-40 come with the exit device or any hardware?
No, it is the header filler component only. The KW450388-40 is a replacement part, so the exit device, trim, and any frame fasteners are separate. If you are rebuilding a header after removing or relocating a device, plan on ordering the device hardware on its own.
6) I'm a property manager replacing a damaged header on a Kawneer entrance. Is this the same piece that came from the factory?
Yes, this is an authentic Kawneer service part rather than an aftermarket equivalent, so the profile and the Dark Bronze finish match what Kawneer supplied on the original Trifab VG 450/451 assembly. That matters on a storefront header because a near-miss profile leaves a visible gap line across the top of the opening.
7) Is this a commercial storefront part or something that works on a residential door?
Strictly commercial. The KW450388-40 belongs to Kawneer's commercial architectural framing line and only has a use in a Trifab VG 450/451 aluminum storefront assembly, the kind found in office entrances, schools, healthcare buildings, and retail fronts. There is no residential application for it.
How fast can I get the Kawneer KW450388-40 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 Kawneer KW450388-40 come with a warranty?
Absolutely. The Kawneer KW450388-40 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 Kawneer KW450388-40?
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 Kawneer KW450388-40 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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