Ultimate Cushion rubber underlayment is available in five standard options at a variety of densities with thicknesses up to 18mm. Roll widths include 3', 4' or 5'. Ultimate Cushion rubber underlayment provides outstanding cushioning properties for comfort and support under any hard flooring surface; including, Ultimate Systems' rubber flooring, ceramic tile, floating wood laminates and hardwood flooring. Ultimate Cushion can be used for acoustical sound-deadening, soundproofing and anti-fatigue purposes in office spaces, libraries and condos. Ultimate's underlayment is also used for shock absorption under athletic field turf and anti-vibration control for industrial applications.