Siena Non-Sanded Grout NS200 is a polymer-enhanced premium high quality grout that requires only the addition of water for professional performance. Siena Non-Sanded Grout NS200 is used for grouting tile joints of 1/16” to 1/8” wide for interior and exterior applications of most types of tiles and stone. Siena Non-Sanded Grout NS200 can be used on floors and walls of residential and commercial projects. Siena Non-Sanded Grout NS200 is available in 36 premium colors and complies with the requirements of ANSI A118.6.