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.

iQ Power Tools Joins as a Platinum Partner in the 2026 Masonry Alliance Program
November 2025

The Mason Contractors Association of America (MCAA) is excited to announce that iQ Power Tools has joined the 2026 Masonry Alliance Program (MAP) at the Platinum Level.

Bonding with Masonry 2025: Q4
November 2025

This issue’s questions come from an Architect and an Engineer. What questions do you have? Send them to info@masonrymagazine.com, attention Technical Talk.

Hultafors Group Continues Gold Partnership in the 2026 Masonry Alliance Program
November 2025

The Mason Contractors Association of America (MCAA) is pleased to announce that Hultafors Group will continue its Gold partnership in the 2026 Masonry Alliance Program.

Are you in the Insulated Concrete Block business? Then FTC Rule 460 applies to you…
November 2025

If you supply, sell, or use any of these… Pre-insulated concrete block... Loose-Fill Insulation... Injectable Foam-in-Place Insulation... Foam Plastic Inserts... Then you must abide by FTC Rule 460, 16 CFR 460, which governs R-value testing and claims