FlexiKork™ is a flat, resilient underlayment that is used directly under a variety of floor finishes, yielding exceptional results even under hard surface flooring and over concrete and wood joist construction. Made from resilient 100% recycled rubber and cork, FlexiKork™ is compatible under most types of grouted and non-grouted flooring installations including solid and engineered hardwood, laminates, ceramic tile, stone, brick, vinyl and carpet. FlexiKork™ has proven performance ratings with many types of popular surfaces, and therefore it has been a preferred choice of architects, builders, developers and flooring companies.