38" x 100', Ram Board, 317 SQFT Roll, Is Thick, Heavy Duty Temporary Floor Protection, Ideal For Everything From Home Improvements To Industrial/Commercial Construction Sites, It Protects Surfaces From Foot Traffic, Heavy Equipment & Impact, Lays Out Fast & Is Re-Usable, It Is Non-Staining & 100% Recycled, Ram Board Utilizes It's Flex Fiber Technology Which Allows For Continued Curing Of New Floors & Breathability Of Existing Floors, Virtually Any New Or Existing Surface Including Concrete, Wood, Tile, Stone, Linoleum, Vinyl Composition Tile & Epoxy.