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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 […]

A final look of a concrete home that was printed using a 3-D printer

World First: Kamp C is the First to Print a Complete House in One Piece

Kamp C, the Westerlo-based provincial Centre for Sustainability and Innovation in construction, printed a house using the largest 3D concrete printer in Europe. The 90-square metre dwelling was printed in one piece with a fixed printer. This is a world first. You can find Flanders’ first 3D-printed model home on […]

A person grinding concrete without the proper PPE

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What Concrete Contractors Should Know About Crystalline Silica

Crystalline silica refers to a naturally occurring class of minerals found in a wide variety of rock. This mineral occurs naturally in virtually all sedimentary, metamorphic and igneous rocks including granodiorites, rhyolites and granites. Its most common form is quartz, which is the second most abundant mineral harvested from the […]

How to Create and Process
a Scratch-free Polished Concrete Floor

The first step to creating and processing a scratch-free polished concrete floor is to start by cleaning the floor you’re about to grind, hone and polish. Make sure the grinder is clean. This includes the bottom of the machine, the skirt and the diamonds. Inspect the surfaces of the diamonds […]

A person signing their digital signature on a tablet.

Adapting Your Decorative Concrete Business During COVID-19

The COVID-19 pandemic has brought much more than illness to our nation. Many changes have happened throughout every state in the U.S. because of the coronavirus. Changes that include things like masks, social distancing and permanent business closures. Throughout the pandemic, decorative concrete contractors have found themselves in a quandary. […]

Polished concrete troubleshooting

Polished Concrete Challenges
can be Overcome with Overlays

The aesthetics of polished concrete is often one of the primary reasons why it’s chosen as the finished flooring on many projects. The material’s natural beauty that’s expressed through varying aggregate reveals, the color of the cement binder and the clarity of the polished surface makes it a singularly unique […]