Check the listing for details. PROSOCO GemTone Stain | Translucent Dye Interior Concrete Floors CONCRETE GREY. Color: Gray, Condition: New. Listed at 76.30 USD. . Consolideck® GemTone Stain transforms dull gray concrete into decorative, low-maintenance finished concrete flooring. This non-flammable, water-reducible formulation penetrates and colors cementitious surfaces without risk of etching the surface or corroding nearby architectural metals. Use GemTone Stain alone or in layers over gray, integrally colored, acid-stained or colorhardened concrete for an unlimited range of colors. Adds color & depth to diamond-polished concrete.Enhances integrally colored, acid stained, color hardened or concrete colored with solvent based dyes.VOC Compliant. Non-flammable. Non-toxic. Non-corrosive. Low odor. Suitable for use in occupied spaces.Contains no harmful acids. Will not etch polished concrete surfaces or corrode surrounding metals. No need to neutralize.Easy application and fast drying lets color be added and blended.