Mortar Bed 2000 DS is a single component, polymer-modified, pre-blended cementitious mortar bed fortified with micro-fiber reinforcement and shrinkage-compensating additives to achieve exceptional physical properties with very low drying shrinkage. Designed for horizontal and vertical applications, Mortar Bed 2000 DS can be hand-troweled to create a thin-to-thick mortar bed from 1/8” up to 1”.