Engineered Fiber Solutions™ (EFS™)

The Highly Engineered Fiber-Based Technology for High-Performing Material Needs

L&L's Engineered Fiber Solutions™ (EFS™) is a customizable technology that is configured to suit a wide range of customer-specific acoustic, thermal, and thermo-acoustic applications.

What is EFS™ Acoustic and EFS™ Thermal?

EFS™ fiber-based materials are engineered to create highly customized solutions in a variety of markets and industries including automotive, commercial vehicle, industrial, and architectural. The fibers are configured and optimized for performance and can be multilayered or thermoformed. The parts are designed for process optimization, ease of installation, and improved aesthetics for interiors in automotive or architectural applications.

EFS™ Acoustic

EFS™ Acoustic solutions are high performance fiber-based acoustic platforms that are engineered into single or multilayer, flat-cut or thermoformed parts to suit a wide range of applications

EFS™ Thermal

EFS™ Thermal solutions are fiber-based thermal or thermo-acoustic platforms that are flat-cut or finished according to customer requirements.

Engineered Solutions

Combining our expertise in fiber technology, polymer science, and fiber manufacturing, L&L’s Engineered Fiber Solutions™ (EFS™) offers advanced fiber-based technology that is precise and customizable for enhanced material performance.

Engineered Fiber Technology

Configurable fiber blend, densities, thickness and laminated facing to solve difficult material challenges for superior thermal or acoustic performance.

Fully Integrated Design & Processing

We engineer highly precise, customizable fiber-based solutions and offer fully integrated processing capability with optimized fiber blends, lamination, and secondary processing.

Discover

L&L Products offers custom-engineered solutions that are optimized for superior acoustic or thermal performance.

Design Flexibility

Customizable fiber blends, densities and thickness

Secondary processing includes thermoforming, composite layup & die-cutting

Enables lightweighting

Performance & Strength

Excellent thermal performance & resistance to high temperatures

Excellent acoustic performance

Maintains loft over time, low shrinkage

Compression performance & wear resistance

Safe & Easy Handling

Odorless

Fire resistant

Water & chemical resistant

Recyclable

Potential Applications

Potential Markets

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Resources

Download our resources find out more about the structural reinforcement for improved performance, mass, process and cost optimization using L&L Engineerd Fiber Solutions™ (EFS™).

EFS Acoustic Line Card (PDF)

EFS Thermal Line Card (PDF)

EFS Acoustic Architectural Line Card (PDF)

Visit Us

CONEXPO-CON/AGG

Date: March 3-7, 2026 Location: Las Vegas, Nevada, USA L&L Products booth number: TBD CONEXPO-CON/AGG, held every three years, is the largest construction show in North America. The show features the latest equipment, products, services and technologies or the...

The Battery Show North America

Date: October 7-9, 2025 Location: Huntington Place Detroit, MI L&L Products booth number: Booth 605 The Battery Show North America is a conference and battery tech expo focused on the latest developments in the advanced battery and automotive industries. L&L...

CAMX – the Composites and Advanced Materials Expo

Date: September 8-11, 2025 Location: Orange County Convention Center Orlando, Florida, USA L&L Products booth number: K55 CAMX – the Composites and Advanced Materials Expo – is the largest, most comprehensive composites and advanced materials event in North...