Since 1885, Granite City has distributed cutting tools, abrasives and ancillary products for the stone cutting and monument industries. Based in St. Cloud, MN, Granite City has built a strong, loyal following among fabricators in the upper midwest and across the U.S.
Super SAM® 125 Sound Control Membrane, the most effective all-purpose membrane on the market, which is manufactured by NAC Products, Inc, has achieved an IIC of 51, Delta IIC 22 and an STC 54 on a bare, 6-inch concrete slab.
