Brick and Block Masonry Mortar

TYPE M (MC-02), TYPE S (MC-03), TYPE N (MC-04), COLOR (MC-05)


SPEC MIX® Masonry Cement & Sand mortar is a dry preblended mortar mix containing masonry cement and dried masonry sand formulated for superior bond, water retention and board life. SPEC MIX Masonry Cement & Sand mortar is available in color and is engineered for the installation of CMU, brick, and stone unit applications where high mortar workability and board life is required for good bond.  It comes in Types M, S and N, and each designation meets ASTM C 270 and ASTM C 1714 requirements. In addition to custom mix designs that are available for specific applications or properties, the standard Masonry Cement & Sand mortar is designed to be compatible with the characteristics of the specified masonry unit. It is acceptable for all types of masonry construction, below or above grade when manufactured to the appropriate specification. Product submittal information available upon request.

SPEC MIX Masonry Cement & Sand mortar is produced under strict manufacturing standards, and complete quality control measures are implemented with each batch. A digital printout displaying the proper proportions per batch may be kept as a permanent record. Each SPEC MIX manufacturer certifies that SPEC MIX masonry products are designed to meet the project specifications and applicable ASTM and ACI standards.

SPEC MIX® Masonry Cement & Sand Mortar is available in 80 lb. (36.3 kg.) packages for easy hand loading or in 3,000 lb. (1,360.8 kg.) reusable bulk bags to be used with the various SPEC MIX silo systems.


  • Total quality control with every bag
  • ASTM C 270 laboratory tested mix designs
  • Preblended with sand to minimize labor cost
  • Consistency from batch to batch, everyday
  • Great workability and board life
  • No sand piles or wasted materials left on site
ASTM C 270 Property Specifications
TypeAvg. Compressive Strength at 28 Days, minimum, PSIWater Retention Minimum %Air Content Maximum %
*When structural reinforcement is incorporated in masonry cement mortar, the maximum air content shall be 18%.
Estimated Yields
Masonry Cement & Sand Mortar Types M,S,N80 lb. Bags3,000 lb. Bags
4" Block15 - 17575 - 650
6" Block12 - 14475 - 525
8" Block11 - 13450 - 500
10" Block11 - 13450 - 500
12" Block10 - 12375 - 425
Modular Brick40 - 451,500 - 1,675
Queen Size Brick34 - 391,275 - 1,450
King Size Brick28 - 331,050 - 1,225
Utility Brick23 - 28850 - 1,050
Note: The yields given above are approximate and depend on labor practices, site conditions and design of work. Yields include typical waste. Some areas such as FL, CA, OR, WA, experience higher yields due to local materials and practices. Please contact your local representative for more specific yield information in your area.
SPEC MIX D2W Workhorse
SPEC MIX BRICKLAYER 500 Regional Series