KEY MORTAR SL consists of 100% solids epoxy and graded aggregates producing a fluid, self-leveling mixture that can be spread with a V-notched squeegee or trowel. This system is the answer for both new and renovated areas and can be installed over most sound floors. Key Mortar SL is a 1/16 inch seamless, low maintenance slurry system that produces a dense, non-porous floor that is chemical and dirt resistant, ideal for light to medium traffic areas, Key Mortar SL may be sealed to meet your facilities needs to enhance abrasion resistance, gloss retention and non-skid properties.