Looking for a premium porcelain tile from the USA? Grigio Mosaic is a great choice! Grigio Mosaic tile is manufactured by the well-known Cobsa brand and it’s a notable element of the Portofino collection. In a classic grey color and available in , this tile showcases its versatility. Browse our extensive online collection or visit our tile store in Waltham, Massachusetts and let us help you find the best tile for the right price!