Relatively new to North America, these laminates have a dense fiberboard core with a paper pattern layer sealed, both top and bottom, under high pressure with a plastic-like substance. Sold as planks and panels in wood, stone, tile, and other looks. This floating floor system is applied over concrete, wood subflooring, or any flat floor covering. With an underlayment of plastic sheet or form, which acts as a moisture barrier and for sound reduction. Rank selection will range from simple planks to highly ornate patterns that resemble ceramic tile. Brand names include Pergo®, Alloc® and Wilsonart®.