Merkrete 703 Thin Set* is a professional-grade, polymer-modified Portland cement thinset mortar for installing porcelain, ceramic tile and natural stone. It is recommended as thinset for absorptive, semi-vitreous and vitreous tile over properly prepared masonry, concrete and cement backer board. In dry areas, it is suitable for gypsum board and plywood substrates. *Available only on the East Coast. FEATURES AND BENEFITS Freezes-Thaw Stable Bonds to Most Surfaces For Interior and Exterior Exceeds ANSI A118.4 and A118.11
