Dark oak planks Specifications Species Walnut Installation Type Floating Tongue & Groove Click Edge Beveled Edge & End Surface Textured Install on Concrete Yes Radiant Heat Yes Width 6.17" Length 4'6 2/10" Thickness 9.5mm Carton Coverage 16.21 SF Pieces per Carton 7 Part Number UF914 Warranty 25 Year Quick Step This floor is suitable for basement installations or condos with a concrete sub-floor. Basements and concrete sub-floors retain moisture more than other sub-floors so choose products that resist moisture - like laminate, cork, engineered hardwoods, or 5/16" solid hardwoods. Learn more