Pemko 5025ASB Mortise Retainer...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$16.27
$15.43
Pemko 5025ASB Mortise Retainer Seal with 5/16" Soft Brush Insert

Pemko 5025ASB Mortise Retainer Brush Seal with 5/16" Soft Brush Insert for Door Weatherstripping

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Model: 5025ASB 48
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$16.27
$15.43
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Pemko 5025ASB Mortise Retainer Brush Seal with 5/16"; Soft Brush Insert for Door Weatherstripping

Professional Mortise Retainer Weatherstripping Solution

The Pemko 5025ASB Mortise Retainer Brush Seal features a 5/16"; soft brush insert designed to provide optimal contact between the seal and surface. This aluminum-based weatherstripping effectively seals gaps up to 1/4"; with an overall height of 9/16"; and accommodates lengths from 24"; minimum to 96"; maximum. The compressed nylon filaments are set at a 45� angle in aluminum casing for superior floor contact and remain flexible from -40�F to above 400�F melting point.

Professional Features & Benefits

  • Precise Gap Sealing: Effectively seals uneven gaps up to 1/4"; between door and door jamb for optimal weatherproofing performance.
  • Temperature Resilience: Brush remains flexible down to -40�F with melting point above 400�F for reliable operation in extreme conditions.
  • Optimal Contact Design: Compressed nylon filaments set at 45� angle in aluminum casing provide superior contact with floor surfaces.
  • Versatile Door Applications: Compatible with hollow metal and wood doors including overhead, section, sliding, and automatic door systems.
  • Custom Length Options: Available in lengths from 24"; minimum to 96"; maximum, sold by the foot for precise project requirements.
  • Multi-Surface Compatibility: Nylon filaments conform to irregular surfaces including carpet, stone, and grout lines for comprehensive sealing.
  • Fire Safety Compliance: UL 10C certified for positive pressure fire tests of door assemblies ensuring code compliance.
  • 5-Year Manufacturer Warranty: Backed by comprehensive 5-year warranty for long-term reliability and performance assurance.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Pemko Quality?

Pemko weatherstripping products deliver professional-grade reliability with aluminum construction and densely compressed nylon filaments designed for demanding commercial applications. GREENGUARD Gold Certified and UL 10C compliant for fire safety, this mortise retainer seal provides UV-stable, long-lasting performance. Backed by a comprehensive 5-year warranty, Pemko weatherstripping solutions are engineered for dependable sealing performance where environmental control is essential.

Product Documentation & Resources

Manufacturer Resources

Product Specs

Insert Type:
Brush
Warranty:
5 Year
Subcategory:
Gaskets & Weatherstripping
Product Group:
Door Trim and Accessories
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Weatherstripping
Commercial/Residential:
Commercial
Lock Type:
Mortise
Product Model:
5025
Product Substrate:
Aluminum
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Pemko 5025ASB 48 – Frequently Asked Questions

1) What is the Pemko 5025ASB mortise retainer seal used for?
This seal provides weatherproofing and smoke control for commercial doors. The mortise design fits into door frames. The 5/16" soft brush insert blocks air infiltration and light gaps.
2) What door types work with this mortise retainer seal?
Compatible with most commercial hollow metal and wood doors. Verify door frame has adequate mortise depth for installation. Check door weight capacity before installation.
3) Does this seal work on left and right hand doors?
Yes, this retainer seal works on both left and right hand doors. The mortise design adapts to standard door frame configurations regardless of swing direction.
4) What finish is the 5025ASB available in?
The ASB designation indicates an anodized satin bronze finish. This provides corrosion resistance and matches common commercial hardware finishes.
5) What is the duty rating for this door seal?
Pemko seals are designed for commercial grade applications. Verify specific duty requirements with manufacturer specifications for your installation.
6) Does this seal meet fire and smoke code requirements?
Pemko seals are commonly used in code-compliant applications. Verify current fire and smoke ratings with local code officials for your specific project requirements.
7) Can I replace just the brush insert on this seal?
Yes, the 5/16" soft brush insert is replaceable. This extends seal life and maintains performance without full retainer replacement.
8) How do I install this mortise retainer seal?
Route mortise in door frame to manufacturer template dimensions. Insert retainer and secure with provided fasteners. Install brush insert into retainer channel. Verify proper door clearance.
9) How often should I inspect this door seal?
Inspect brush condition every 6 months in high-traffic applications. Replace brush insert when worn or compressed. Check retainer mounting periodically.
10) What other Pemko seals work with this retainer?
Other 5/16" brush inserts from Pemko's mortise seal line are compatible. Check Pemko seals for different brush densities and materials.
11) Will this seal work in exterior door applications?
The anodized aluminum construction handles most weather conditions. Verify exposure requirements for your climate. Consider additional weatherstripping for severe conditions.
12) What are the critical measurements for this seal?
Verify door frame mortise depth and width against manufacturer template. Measure door clearance to ensure proper brush contact. Check manufacturer specifications for exact dimensions.
How fast can I get the Pemko 5025ASB 48 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 5025ASB 48 come with a warranty?
Absolutely. The Pemko 5025ASB 48 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 5025ASB 48?
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 5025ASB 48 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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