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.

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

Ultra Nylon


Ultrafab Inc. is proud to launch the highly versatile ULTRA NYLON™. Its unique bristle seal technology resists wear, making it useful in sorting, cleaning, and static mitigation. 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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Flexible Dust Plug


The premium flexible dust plug offers superior performance, a close-fiber nonoriented design, an aggressive premium adhesive, and a 360º wrap sealing function.

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Ultra Cell Microcellular Foam Seals

ULTRA CELL® Micro-Cellular Foam Seals

ULTRA CELL® MicroCellular Foam Seals feature new thermoplastic foam technology that provides consistent low closing forces and industry-leading compression set resistance, 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

GlassBuild America 2023

Utrafab co-exhibited with Roto at the fenestration industry's largest tradeshow of the year.
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Specialty Products at the ATA Expo in Orlando.

Ultrafab Specialty Products highlights products for the retractable shade and storm covering industry.
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Ultrafab and ArcWorks: A Win-Win Partnership.

We are proud to highlight our special partnership with Arcworks.
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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.


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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