Cement - Hydrated Lime Blends

Mason's Pre-Blend® is a high-quality, factory-blended mortar product consisting of portland cement conforming to ASTM C150 and Type S dolomitic hydrated lime conforming to ASTM C207. This product is formulated to provide excellent bond strength while allowing for superior workability and board life.


Mason's Pre-Blend® is available in two mortar types:

  • Type N Mason's Pre-Blend® is the mortar type used for applications where medium compressive strength is required. Type N mortar is normally specified for exposed masonry and non-reinforced load-bearing walls above grade, chimney construction, parging and pointing. This product is available in 70-lb. bags.
  • Type S Mason's Pre-Blend® is the mortar type used where higher compressive strengths are important. Examples of typical applications include foundations, retaining walls, support piers and reinforced masonry. This product is available in 75-lb. bags

Did you know?

Limestone, the most important and abundant sedimentary rock in the world, is formed by the compaction of the remains of coral animals and plants on the bottoms of oceans.