Ram Board Floor Protection Fiberboard, 38" Wide by 100' Long Ultra tough, 46 mil material lays flat quickly to provide both scratch and impact protection. One roll contains 317 square feet, which is equal to 10 sheets of Masonite. 100% recycled content qualifies for LEED points. Multi-use product ideal for wood, colored concrete, stome, marble, terrazzo, tile, ceramic, linoleum, vct, epoxy.