Non-Skid Floor Additive Are you looking to upgrade your flooring without the hassle of professional installation? Create a durable, anti-slip surface with Non-Skid Floor Additive. Simply mix in the Non-Skid when applying the topcoat (as a part of our Flooring Epoxy System) for an innovative, seamless surface that’s safe for family and friends. Quick Guide Instructions For a medium-grit, non-skid finish (per 1 gallon of Polyaspartic Topcoat): Mix in 1-2 ounces for light coverage. 2-3 ounces for mid coverage. 3-4 ounces for heavy coverage. Do not exceed 6 ounces of Non-Skid Additive per 1 gallon of topcoat.