Target Type S SpecMix MortarPortland Lime & Sand mortar is a dry pre blended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Preblended with sand to minimize labour costs 40 KG Bag Spec Mix Lime and Sand is appropriate for use with all types of masonry construction: Brick Cultured stone Concrete block 1 bag approximate coverage 32 SQFT of base coat, at 1 4" thick