Cumberland Rubber Supply high-density rubber is the Ferrari of rubber products. (And we can back it up) Our high-density gym flooring is used where high performance is a must. We don’t build low-cost parts to compete with China. We implement a hands-on high-quality manufacturing process for a reason. Our customer base includes the NFL, MLB, NHL, college, and Olympic facilities. Our customers expect the best, and we plan to deliver, nothing leaves our plant unless it can perform. Our parts come with a lifetime guarantee if you can wear out our mat send it back and we will replace it.