Kemiko Stone Tone Concrete Floor Stain Kemiko - The perfect choice for interior/exterior concrete floor stain. Affordable, virtually maintenance free; eight beautiful colors for luxurious & elegant, permanent flooring. Kemiko Stone Tone Stain, Wax, and Sealer transform concrete into an elegant floor that resembles a natural stone appearance with an old-world marble look. Rembrandt Polymer Stain Now Available. Kemiko kemiko in Fauxwith concreteexteriorfauxfloorinteriorkemikoperfectstainby 2 users