CleanFiber™ makes high-performance cellulose insulation from recycled corrugated cardboard boxes and other clean sources of high quality fiber. The company was formerly known as Ultracell Insulation and was founded by veteran cellulose installers, who wanted to see this industry thrive despite declining supplies of old newsprint (which is the primary feedstock of the industry today).CleanFiber's product provides lower dust, lower contamination, and better coverage that competitive product. Our unique and patented process for embedding fire retardants in our product allows us to deliver a superior product at a cost-competitive price.

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National Grid

Walnut Venture Associates

Keiretsu Forum

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SustainVC

Richmond Capital Partners

Clean Energy Venture Group

Western New York Impact Investment Fund

Buffalo Angels fund

NOCO Energy

43North

Aligned Climate Capital

Jeffrey Wilke

Keiretsu Capital

CleanFiber

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Chief Financial Officer

Don Simoneau

Chairman & CEO

Jonathan Strimling

Vice President, Strategic Sourcing & Absorbent Business

Curt Fischer

VP, People and Team Development

Ryan Carroll

Sales and Support

Katie Hurley

Controller

Russell Lloyd

Plant Manager

Brandi Sharratt

Production Manager

David Skierczynski

Maintenance and Reliability Manager

Greg Disinger

Co-Founder, Chairman, and CEO

Great Lakes Companies With Less Than $1B in Revenue (Top 10K)

Building Material Companies With More Than 50 Employees (Top 10K)

East Coast Companies With More Than 50 Employees (Top 10K)

Building Material Companies With Fewer Than 100 Employees (Top 10K)

CleanFiber makes high-performance, carbon-negative building insulation from recycled corrugated cardboard. 

The company is fully commercial and rapidly scaling up production from its first facility in Buffalo, NY.

Tokyu Construction innovation fund

Venture Round - CleanFiber

Debt Financing - CleanFiber

Spring Lane Capital

Series B - CleanFiber

Buffalo

New York

United States

North America

CleanFiber wants to turn millions of tons of cardboard boxes into insulation

CleanFiber Raises $28M in Series B Funding

Buffalo materials startup secures $28M Series B round

Cellulose insulation made from recycled corrugated cardboard, designed for use in residential and commercial buildings. It features low dust and contamination levels.

A fire retardant solution infused directly into insulation fibers, designed to enhance fire safety without causing ammonia odors or corrosion.

Utilizes a consistent supply of recycled cardboard to ensure product availability and maintain affordable pricing.

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CleanFiber (formerly Ultracell Insulation) is a company that produces high-quality cellulose insulation made from recycled cardboard, offering superior coverage, fire safety, and stable supply. The company was founded by veteran cellulose installers in Maine and has a state-of-the-art production facility in Buffalo.

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