It typically achieves 28-day strength in the range of 750 pounds per square inch (psi). Type N is the mortar most often used by homeowners and is the best choice for general application. It is also the preferred mortar mix for soft stone masonry (such as limestone). It can also be used to repair mortar joints and as a base coat for stucco repair. It is considered to be a general-purpose mix, useful for above grade, exterior, and interior load-bearing installations. QUIKRETE Mortar Mix is a pre-blended mortar used in the construction of brick, concrete block and stone walls. It can also be used repair mortar joints and as a base coat for stucco repair. Type N mortar mix has a medium compressive strength and it is composed of 1 part Portland cement, 1 part lime, and 6 parts sand. QUIKRETE Mason Mix is a contractor grade mortar for the construction of brick, concrete block, stone walls. Type N mortar is usually recommended on exterior and above-grade walls (including stone veneer) that are exposed to severe weather and high heat. Thinset mortar is a moisture-resistant adhesive made of Portland cement, water, and fine sand, which is used with projects involving cement board, shower tile, backsplashes, and shower pans. Mortar material is made with Portland cement, hydrated lime, and sand combined in specific proportions to meet required specifications. Produced in accordance with ASTM C 270 and UBC 21-15. Used in the application of brick, block and stone.