July 2020 – Online Exclusive

A hand next to a mohs testing kit

Mohs Testing Will Save Time, Money and Frustration

In an earlier concrete polishing tip, I mentioned there are many options when choosing diamond tooling configurations and grit levels. Now we’re going to learn about another variable to consider. Today, we’ll learn how to match a diamond tool’s metal bond to the concrete prior to choosing the grit level […]

A grocery store with polished concrete that has been densified.

Was enough densifier/hardener applied to the polished concrete slab?

Densifiers/hardeners are either alkali metal silicates or colloidal silica. When your densifier of choice is applied to concrete and absorbed into the polished concrete slab, the silicate reacts with the free lime (excess calcium hydroxide) and forms calcium silicate hydrate (CSH gel). This reaction mimics the hydration of portland cement, […]

A large skatepark made with Type K cement

Shrinkage-compensating Cement Concrete Can Optimize Performance
and Sustainability

Sustainability is a driving force in today’s built environment. To guide and organize the efforts, there’s a robust collection of initiatives that include the LEED program, the International Green Code Council and the Cement Sustainability Initiative, to name a few. Their goal is to improve ecological stewardship practices, minimize climate […]