Leading in Vision and Technology

Premier manufacturer of pile and extruded weatherseal products for the window and door industry, and specialty brush and seal component parts for OEMs.

Product Testing

Product Performance Reports

You Asked, We Tested — Ultrafab Delivered

Weatherseal Products

For Fabricators and Extruders

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Specialty Products

OEM Engineered Solutions

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Digital Catalog Now Available

Ultrafab is proud to announce the launch of its new interactive digital catalog. Featuring in-depth product information, informative videos, and featured news, the new catalog is another way that Ultrafab is the leader in vision and technology for the weatherstripping industry.

World Leaders

See Our Latest Innovations

In Action

AngleOn™

AngleOn™

Ultrafab’s NEW AngleOn™ technology is a durable, efficient brush solution for vibratory movement applications. AngleOn’s 20° directional nylon filament is ideal for consistent and controlled product flow.

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Ultra Nylon

ULTRA NYLON®

ULTRA NYLON™ features a unique bristle seal design engineered for exceptional wear resistance, making it ideal for applications such as sorting, cleaning, and static control. ULTRA NYLON™ is designed custom to your applications needs. Options include multiple bristle densities, fiber diameters and fiber heights. Additional offerings include die cuts, counter sunk holes, through holes, and adhesive backings.

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ULTRA BEND®

This premium dust plug delivers exceptional performance with a combination of:
• Tight, non-oriented fiber design for reliable coverage
• Aggressive, high-quality adhesive for long-lasting hold
• 360º wraparound seal that ensures complete protection

Its flexible construction allows it to adapt to various surfaces while maintaining a secure, full-contact seal.

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Ultra Cell Microcellular Foam Seals

ULTRA CELL® Micro-Cellular Foam Seals

ULTRA CELL® MicroCellular Foam Seals feature thermoplastic foam technology that provides consistent low closing forces and industry-leading compression set resistance. Along with weatherability, and color stability.

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Test Lab Services

Ultrafab offers a value-added, state-of-the-art test lab service free-of-charge to our customers. Our test wall capability performs air resistance testing and simulates wind-driven rain to test air leakage and water penetration in a product.

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In the news

Automate 2025

We’ll be exhibiting at Automate 2025, the premier event for automation, robotics, and advanced manufacturing. Featuring AngleOn
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Ultrafab, Inc. Honored at Annual FGIA Membership Meeting

Ultrafab, Inc. was honored with the prestigious 50 Years of Distinguished Service Award
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GlassBuild America 2023

Utrafab co-exhibited with Roto at the fenestration industry's largest tradeshow of the year.
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World Partners

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Committed to Helping You

Save Labor, Time and Money

Easy to Insert

ULTRAFAB products are easier to insert than other weatherseals saving time and labor.

Automated

ULTRAFAB’s automated inserting systems are terrific productivity builders for fabricators or extruders.

Perfect Fit

ULTRAFAB weatherstripping products do not stretch, shrink or leave tails after insertion.

Avoid Waste

If you have out of tolerance T-slots, ULTRAFAB can supply most backing widths immediately to avoid waste.

Quick Response

ULTRAFAB will respond to assembly line changes quickly, to avoid lost production time.

Custom Design

ULTRAFAB’s expertise is available to custom design prototype products or configurations, including custom brush manufacturing and more.

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