CleanFiber is a pioneering materials science company focused on decarbonizing buildings. We make high performance building insulation products from recycled corrugated cardboard boxes. Our carbon negative insulation provides improved energy efficiency on an affordable basis.

CleanFiber is a pioneering materials science company focused on decarbonizing buildings. We make high performance building insulation products from recycled corrugated cardboard boxes. Our carbon negative insulation provides improved energy efficiency on an affordable basis.