ASH GROVE PRO MIX® Portland Lime Mortar Type S is ideal for contractor use in laying brick, block and stone or repairing masonry walls. ASH GROVE PRO MIX® Portland Lime Mortar Type S is thoroughly pre-mixed to ensure maximum strength and workability. The mortars can be pre-colored and/or an integral water repellent can be incorporated. Recommended for exterior work at or below grade specifically on: Foundation walls, Retaining walls, Manholes, Sewers, Pavements, Walks, Patios