Thickness - .5". Weight – 5.5 lbs per 12' piece. ROkaymmended Uses – 1/2" Rubber Floor Ramps are designed to be used with 1/2" thick flooring where a smooth reduced transition is needed, such as in a home gym, a mmercial gym space, home garage, car showroom, tall carpeting, and many other areas where a safe and mpliant reduction is