NPT® S-1000MP 50 lb Thinset Latex Mortar is a high quality multi-purpose thin set mortar formulated with an advanced powdered latex system, designed to provide superior bond and shear strength, freeze-thaw resistance, impact-resistance and reduced water absorption. The non-reemulsifying resin system in S-1000 MP also provides excellent workability. S-1000 MP meets or exceeds ANSI A118.1, A118.4 and A118.11. S-1000 MP multi-purpose thin set is recommended for setting all types of ceramic tiles, marbles, slate and granite. S-1000 MP is recommended for interior or exterior wall or floor applications.