Structural / Non-Structural Brick and Block Masonry Mortar

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


SPEC MIX® Portland Lime & Sand mortar is a dry preblended mortar mix containing Portland cement, hydrated lime and dried masonry sand formulated for superior bond, water retention and board life. Available in Types M, S and N, each meets ASTM C 270 and ASTM C 1714 requirements. SPEC MIX Portland Lime & Sand is available in standard or custom colors. In addition, custom mix designs are available for specific applications or properties, the standard Portland Lime & Sand mortar is designed to be compatible with the characteristics of the specified masonry unit. It is acceptable for all types of masonry construction with submittals available upon request. It may be used above or below grade when manufactured to the appropriate specification.

SPEC MIX Portland Lime & Sand 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® Portland Cement, Lime & Sand Mortar is available in 80 lb. (36.3 kg.) packages for easy hand loading or in 3,000 lb. (1360.8 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
Mortar Types M, S, N80 lb. Bags3,000 lb. Bags
4" Block14 - 16525 - 600
6" Block11 - 13450 - 500
8" Block10 - 12400 - 450
10" Block10 - 12400 - 450
12" Block9 - 11350 - 400
Modular Brick37 - 391,400 - 1,475
Queen Sized Brick31 - 331,175 - 1,250
King Sized Brick25 - 27950 - 1,025
Utility Brick22 - 24850 - 925
The yields given above are approximate and depend on labor practices, site conditions and design of work. Yields include typical waste. Some ares 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.
ASTM C 270 PROPERTY SPECIFICATIONS (laboratory prepared)
TypeMinimum Compressive Strength at 28 days, MPaWater Retention, minimum %Air Content, maximum %
*When structural reinforcement is incorporated in cement-lime mortar, the maximum air content shall be 12%
CSA A 179 PROPERTY SPECIFICATIONS (laboratory prepared)
TypeMinimum compression strength at 28 days, MPaWater retention,
minimum %
Air content,
maximum %
M17.5 MPa7018
S12.5 MPa7018
N5 MPa7018
SPEC MIX D2W Workhorse
SPEC MIX BRICKLAYER 500 Regional Series