Easy to install in a variety of sizes Rolls fit together perfectly and lie flat without curling. Easy to cut and adjust with a utility knife or heavy-duty scissors Non-porous, 100% vulcanized rubber mats have slightly textured non-slip surfaces Excellent for use under workout equipment, such as treadmills, stationery bikes, and weight-lifting machines Commercial grade, indestructible 1/4" rubber with a 5 year warranty Rubber Roll Floor Matting is heavy-duty rubber flooring that helps protect floors from heavy weights and constant impact of machinery and exercise equipment. These are the "original" composition rubber fitness floors. These durable rolls set the standard for performance, quality, and affordability. The 7mm Rubber roll flooring is our most economical offering. Perfect for home gyms, storing rugged equipment, and protecting the floor underneath.