Building Stone Mortar

Words: Dan Kamys

Building Stone Mortarwww.specmix.com

Whether the specification calls for soft or hard stone, SPEC MIX stone mortar mixes are engineered to match the specific properties of each stone to increase the mortar-to-stone bond strength while allowing the mason to lay more stone every day. Meets ASTM C270 requirements. Mortar type should correlate with the particular masonry unit to be used. SPEC MIX Building Stone Mortar is available in formulations for hard stones such as granite and soft stone such as limestone. The specifier should evaluate the density of the stone masonry unit specified to ensure that the appropriate mortar is selected to match to the hardness of the stone masonry units for the project. Each product is 100% dry, preblended in 80 lb. or 3,000 bags, eliminating the need to measure and add liquid admixtures on site, which in turn ensures quality control while increasing jobsite productivity.

No Shortcuts: The Journey of Real Stone
February 2026

Have you ever stopped and really thought about how that stone on the wall got there? I don’t mean the install...not the mortar, the scratch coat, or the clean-up. I mean the whole journey. From the first cut in the earth to the

Stop Gambling on the Wall: Why the Modern Jobsite Demands a Sure Thing
February 2026

If you have spent any time walking the carpeted aisles of the World of Concrete, you know the vibe. It is a sensory overload of heavy machinery, slick demos, and the collective optimism of thousands of contractors. We are in Las Vegas, the gambling capita

Helical Beaming: Strengthening Masonry from the Inside Out
February 2026

In the world of masonry restoration and retrofit, the goal is always the same: preserve the character and craftsmanship of historic structures while ensuring their long-term stability. But anyone who has worked on century-old brick or stone buildings know

The 2026 MCAA Annual Online Auction
February 2026

The Mason Contractors Association of America is thrilled to announce the 2026 Annual Online Auction, the masonry industry’s premier event for scoring the best equipment at a fraction of costs. Whether you are looking to expand your equipment stockpile or