Suitable for all historic masonry structures without hydraulic binders originally present
Type N mortar is a formulation that has been widely used by craftsmen and specified by architects during the modern period (after 1931). The formulation is a factory produced blend of hydrated lime, portland cement, and sand that is proportioned to provide an even life-cycle performance for modern masonry construction applications. All mortar ingredients are carefully manufactured by weight to meet applicable ASTM C270 Standards. Heritage Cement/Lime Mortar complies with ASTM C270 Standard Specification for Mortar for Unit Masonry, Proportion Specification. Weight: 40 lbs