Concrete Polishing

Polished concrete is a process of progressive mechanical grinding, honing, densifying and polishing a concrete surface. This is done to achieve an aesthetically pleasing, highly durable, light-reflective finish.

Hybrid polished concrete in a hallway

Hybrid Polished Concrete:
Another Type of Polished Concrete

In the last tip, you learned THE definition of polished concrete: The act of permanently changing a concrete surface, with or without aggregate exposure, to achieve a specified level of finished appearance. You also learned that there are three types of polished concrete according to the American Society of Concrete […]

A warehouse type store with burnished concrete floors

Burnished Polished Concrete:
One of 3 Types of Polished Concrete

First, here’s the definition of polished concrete: The act of permanently changing a concrete surface, with or without aggregate exposure, to achieve a specified level of finished appearance. According to the American Society of Concrete Contractors’ Concrete Polishing Council, there are three types of polished concrete. Each of these has […]

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, the Mohs testing for polished concrete. Today, we’ll learn how to match a diamond tool’s metal bond to the concrete […]

A grocery store with polished concrete that has been densified.

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

Densifiers and hardeners for polished concrete are either alkali metal silicates or colloidal silica. When you apply the densifier of choice to concrete and it absorbs into the polished concrete slab, the silicate reacts with the free lime (excess calcium hydroxide) and forms calcium silicate hydrate (CSH gel). This reaction […]

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 […]

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 expressed through varying aggregate reveals, the color of the cement binder and the clarity of the polished surface makes it a singularly unique flooring […]

A pile of diamonds for polishing concrete

Which diamond tool should I use to start my project?

Proper diamond tools for polishing concrete is essential to getting it right. Choose the starting diamond grit and tooling segment configuration based on what’s best to achieve the job’s appearance objective. If there wasn’t one given, go with the random aggregate configuration. Objective # 1 Random aggregate (doesn’t matter what […]