Pemko 18041 180� Aluminum Reta...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$34.51
$29.55

Pemko 18041 180� Aluminum Retainer Weatherstrip with 3/4" Nylon Brush - Fire Rated Door Bottom Sweep

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Model: 18041CNB 84IN
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$34.51
$29.55
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Pemko 180� Aluminum Retainer Weatherstrip with 3/4"; Nylon Brush - Fire Rated Door Bottom Sweep

Professional Fire-Rated Door Bottom Weatherstrip Solution

The Pemko 180� Aluminum Retainer Weatherstrip delivers professional-grade sealing performance for fire-rated door applications. This door bottom sweep features a durable aluminum retainer with 3/4"; nylon brush insert, available in 36";, 84";, or 96"; lengths with 1-1/8"; width and 1/4"; height dimensions. Certified to UL10C fire rating with positive pressure testing and BHMA certification, this weatherstrip maintains NFPA 80 compliance requirements for fire door installations.

Professional Features & Benefits

  • Fire-Rated Performance: UL10C fire rated with positive pressure testing and UL 4L10 certification for critical fire door applications.
  • Multiple Length Options: Available in 36";, 84";, or 96"; lengths to accommodate various door widths and installation requirements.
  • Precision Dimensions: 1-1/8"; width and 1/4"; height profile with 3/4"; nylon brush insert for optimal sealing performance.
  • NFPA 80 Compliance: Specifically designed for fire door pairs while maintaining required fire protection standards.
  • Comprehensive Testing: Air infiltration tested, smoke tested to UL1784, and BHMA certified for verified performance.
  • Environmental Certification: GREENGUARD Gold Certified for low chemical emissions and indoor air quality.
  • Brush Mesh Specification: Nylon brush designed to mesh from 1/32"; to 1/16"; for effective gap sealing.
  • 5-Year Warranty: Manufacturer warranty coverage for added confidence and long-term protection.

Professional Applications

  • Fire-Rated Door Installations
  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Industrial and Warehouse Facilities
  • Government and Municipal Buildings
  • Multi-Tenant Residential Properties

Fire Door Compliance

This weatherstrip is specifically engineered for fire door applications requiring NFPA 80 compliance. The UL10C fire rating with positive pressure testing ensures proper performance in fire-rated assemblies, while the brush design maintains effective sealing without compromising fire door operation or certification requirements.

Why Choose Pemko Quality?

Pemko weatherstripping products deliver professional-grade reliability with aluminum construction and comprehensive fire safety certifications including UL10C and UL 4L10 ratings. GREENGUARD Gold certification ensures low emissions for healthy indoor environments. Engineered for demanding commercial fire door applications where code compliance and dependable sealing performance are essential.

Product Documentation & Resources

Manufacturer Resources

Product Specs

Insert Type:
Nylon Brush
Warranty:
5 Year
Subcategory:
Door Sweeps
Product Group:
Door Trim and Accessories
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Weatherstripping
ANSI/BHMA:
BHMA Certified, Smoke Tested- UL1784, Fire Rated- UL10C- Positive Pressure, Underwriters Laboratory 4L10, GREENGUARD Gold Certified
Commercial/Residential:
Commercial
Product Model:
18041
Product Length:
36", 84" or 96"
Product Dimension:
W: 1-1/8", H: 1/4"
Product Category:
Door Trim and Accessories
Product Substrate:
Aluminum
Department:
Door Hardware

Pemko 18041CNB 84IN – Frequently Asked Questions

How fast can I get the Pemko 18041CNB 84IN 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 18041CNB 84IN come with a warranty?
Absolutely. The Pemko 18041CNB 84IN 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 18041CNB 84IN?
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 18041CNB 84IN 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.

Product Reviews

  • 5
    Pemko 18041 astragal

    Posted by Chris Cloutier on Oct 27th 2025

    Worked as expected