ECOTIMBER. This company manufactures traditional hardwood flooring products along with strand woven bamboo flooring under the name EcoBamboo. This flooring is available in tongue-and–groove lengths for nail-down, glue-down, and radiant floor (floating) installation. According to the company, EcoBamboo flooring measures 2800 on the Janka hardness scale, or 233% harder than red oak. Manufactured with no added urea-formaldehyde adhesives, the flooring meets both European E1 and U.S. 2012 CARB standards for indoor air quality, and is LEED qualified. 877.740.9420.