Let your grout colors take flight Create an IRIDESCENT effect with MAPEI Flexcolor™ 3D ready-to-use, translucent grout Stunning tile demands a stunning grout. MAPEI Flexcolor 3D grout makes tiles “pop” with varying degrees of translucence and iridescence, creating a brilliant rainbow effect in various tints. Plus, this grout’s stain- and chemical-resistant formulation offers easy cleanability, color consistency and improved workability. Best of all, you won’t need a sealer to lock in the luminous beauty of MAPEI Flexcolor 3D.