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spec mix portland lime mortar

Portland Lime & Sand Mortar

SPEC MIX® Portland Lime & Sand masonry 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 type S mortar and type N mortar which all meet ASTM C 270, ASTM C 1714 and CSA A179 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 submittal’s available upon request. It may be used above or below grade when manufactured to the appropriate specification.

Portland Lime and Sand Product Features

  • 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

 

Interested in this product? Please reach out to us to learn about availability and delivery options if needed.

PORTLAND LIME AND SAND - ESTIMATED YIELDS
Mortar Types S, N 80 lb. Bags 3,000 lb. Bags
4" Block 14 - 16 525 - 600
6" Block 11 - 13 450 - 500
8" Block 10 - 12 400 - 450
10" Block 10 - 12 400 - 450
12" Block 9 - 11 350 - 400
Modular Brick 37 - 39 1,400 - 1,475
Queen Sized Brick 31 - 33 1,175 - 1,250
King Sized Brick 25 - 27 950 - 1,025
Utility Brick 22 - 24 850 - 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)
Type Minimum Compressive Strength at 28 days, MPa Water Retention, minimum % Air Content, maximum %
S 1,800 75 12
N 750 75 14*
*When structural reinforcement is incorporated in cement-lime mortar, the maximum air content shall be 12%
CSA A 179 PROPERTY SPECIFICATIONS (laboratory prepared)
Type Minimum compression strength at 28 days, MPa Water retention,
minimum %
Air content,
maximum %
S 12.5 MPa 70 18
N 5 MPa 70 18