Quick Lead Times

In an industry where the standard lead-time continues to rise, our American-made panels offer a refreshing alternative; delivery on your Read More

Zero Flame Spread

We know that fire safety is a top concern, that's why we proudly offer exterior panels with a Flame Spread Read More

Time Lapse: Stonewood Panel Installation

Watch a Stonewood installation time lapse on the Legacy luxury condos in Minneapolis, MN.! Read More

NFPA 285 Compliant

Tested to the highest standards, Stonewood Panels perform; passing the stringent NFPA 285 Standard Fire Test for exterior wall assemblies. Read More

Made in America

Manufacturing and customer service are located in Wisconsin; ready to send your quotes, samples and offer timely- on-the-spot answers. Read More
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RWB Made-in-USA

All our products are proudly manufactured in Wisconsin. Because Fiberesin has been manufacturing solid phenolic panels for over 60 years, we have experience you can count on. Your project may be eligible for LEED points due to local and domestic manufacturing.


The standard production lead time for Stonewood Architectural Panels is 3 weeks, as all the panels are manufactured in our domestic plant in Wisconsin. This quick turnaround time gives builders flexibility if the scope of a project changes.

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Stonewood Exterior Panels have passed the stringent NFPA 285 Standard Fire Test for Wall Assemblies and are ASHRAE 90.1 compliant. Both interior and exterior panels meet the ASTM E-84 Class A and B fire rating. Stonewood Interior Architectural Panels are chemical resistant for use in laboratory, medical or educational environments. They have been tested and passed the SEFA 3, SEFA 8-PH-2010, Section 8.1


Stonewood Architectural Panels are manufactured with fibers extracted from sustainably-managed forests and contain at least 16% post-industrial wood fiber content. The Stonewood manufacturing facility has been BIFMA® level certified. 

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When you call us you will talk to a real person who understands the technical aspects of our panels and can give you on-the-spot answers without putting you through the corporate shuffle.


Stonewood Panels are available in countless colors and patterns. A close relationship with industry leaders allows Fiberesin to offer standard patterns and colors. Proprietary patterns and colors as well as matches to other manufacturers are also available. We have CNC routers in-house and can shape your panels to specific sizes and shapes. With Stonewood, you can create a truly original building design for a fraction of the cost of European manufacturers.