We are PART of your success.

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

Window & Door Seals

Window & Door Seals

View Products
Industrial Solutions

Custom Brushes & Seals

View Products
Applications

Applications

View Applications

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™

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.

Learn More

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.

Learn More

ULTRA BEND®

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

Learn More

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.

Learn More

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.

Learn More

In the news

What Happens After You Contact Ultrafab About a New Seal?

Read More

New Ultrafab Location in Greer, South Carolina

Ultrafab has relocated its operations from Greer, South Carolina, to a new, expanded facility in Spartanburg. The move represents a strategic step forward as the company enters 2026.
Read More

Ultrafab at Advanced Textiles Expo 2025

Ultrafab is headed to the Advanced Textiles Expo in Indianapolis, and we’d love to see you there! ???? Dates: November 5–7, 2025 ???? Booth: #2016, Indiana Convention Center
Read More
World Partners

Be the First to Hear About Our Latest Innovations

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.

Designed and developed by