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§ Private Profile · Buffalo, NY, USA
Manufacturer of cellulose insulation from recycled corrugated cardboard for building construction, focused on eco-friendly thermal performance.
CleanFiber is a Buffalo, New York based building materials company that manufactures eco-friendly cellulose insulation from recycled corrugated cardboard using a patented chemical treatment process. Founded in 2013 by Jonathan Strimling as UltraCell Insulation, the organization operates a 60,000 square foot manufacturing facility in Lackawanna that has insulated 20,000 single family homes. To support its expansion within the United States residential insulation market, the enterprise has raised over 124 million dollars in total funding. This capital structure includes a 28 million dollar Series B round and a 31 million dollar project financing facility secured in April 2024 from institutional backers like Spring Lane Capital, Ahlström Invest, AXA Investment Managers, and Climate Innovation Capital. The business recently transitioned its executive leadership by promoting Sami Rahman to Chief Executive Officer and appointing Erik Gregory as Chief Financial Officer in 2025.
CleanFiber has raised $38.0M across 2 funding rounds.
CleanFiber has raised $38.0M in total across 2 funding rounds.
CleanFiber has raised $38.0M in total across 2 funding rounds.
CleanFiber's investors include Spring Lane Capital, Ahlstrom Invest, AXA IM Alts, Climate Innovation Capital, yasuhiko yurimoto.
CleanFiber has raised $38.0M across 2 funding rounds. Most recently, it raised $28.0M Series B in April 2024.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Apr 15, 2024 | $28M Series B | Spring Lane Capital | Ahlstrom Invest, AXA IM Alts, Climate Innovation Capital, Yasuhiko Yurimoto | Announced |
| Nov 30, 2022 | $10M Series A | AXA IM Alts | — | Announced |