Which type of masonry cement is primarily used for reinforced masonry?

The choice of Type S masonry cement for reinforced masonry is significant due to its specific properties that make it suitable for structural applications. Type S masonry cement is designed to provide high compressive strength, allowing it to effectively support reinforced masonry structures. Its formulation, which includes higher proportions of Portland cement and lime, results in excellent bond strength and durability, which are critical factors in ensuring the integrity and longevity of reinforced masonry.

Type S is particularly effective for use in both above-ground and below-ground masonry work, especially where there is a need for resilience against lateral forces, making it an ideal choice for walls that may bear loads or withstand external pressures. It typically has a minimum compressive strength of 1,800 psi at 28 days, which aligns well with the demands of reinforced masonry applications.

In contrast, other types of masonry cement serve different purposes. Type O is a low-strength mix primarily used for non-load-bearing applications, while Type N provides moderate strength and is often used for general construction but may not offer the same level of performance under load as Type S. Type M, having the highest strength, is typically reserved for special applications, such as where high durability is necessary or in situations with extreme conditions, but may not be as versatile as Type S