Heavy foot traffic and dirty work environments can clog up standard grit products with mud, oil, sawdust, liquids, and grease.Our heavy duty anti slip tape offers a very deeply textured (36-grit) surface to continue to offer non-slip protection, even in the dirtiest conditions.36-grit) tape is water-proof for both indoor and outdoor applications and offers excellent hydrocarbon resistance. This tape has a very aggressive grit surface and is recommended for areas with heavy debris only.