Engineered Fiber Solutions™

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?

Custom Engineered, High Performance Acoustic and Thermal Solutions

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. 

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

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.


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



Commercial Vehicle
White Goods & Appliances


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™).

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Pune, India, January 23-25, 2024

Symposium on International Automotive Technology SIAT

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Paris, France, March 05-07, 2024

JEC World 2024

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Stuttgart, Germany , June 18-20, 2024

The Battery Show Europe

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San Diego, CA, September 09-12, 2024

CAMX 2024

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Detroit, Michigan, October 08-10, 2024

The Battery Show North America

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