This decor combines all the advantages of high-quality laminate flooring with the authentic look of natural stone. Pure stone carries a 25 year residential/12 year commercial warranty and incorporates a revolutionary glueless click floating installation system. Each case contains 20.14 sq. ft. or 4 planks. The individual planks measure 47" L. x 15.5" W. x 8mm thick and feature a 4-sided micro V groove. There are 52 cases per pallet. The wear-resistant surface together with the strong HDF core ensures remarkable resistance to wear, fade, and stains. Even after years of intensive use, your floor will be in outstanding condition. Padding underlayment is required for all installations. Do it Best Corp. stocks 3 grades of underlayment from Midwest Padding, LLC, vendor No. 1666, at all retail service centers.