The Process of a Polished Concrete Floors
Updated: Feb 2
Polished concrete floors are popular due to their low maintenance and ease of cleaning. Polishing involves honing or rough cutting of the substrate followed by grout or apply a thin film of epoxy grout to help create an even palette and consistent sheen.
"Rough Cut" of the Polished Concrete Floor
Every polished concrete floor starts out with the current palette, as concrete is installed it must be troweled in place. This process causes the aggregate to settle creating a softer top surface. The rough cut removes this "cream" exposing the surface to be polished. This process alone will create a harder or more dense surface. This is achieve by using metal diamond segments on the grinding equipment. The depth or extent of the rough cut is determined by the hardness of the slab and coarseness of the diamond segments. The concrete polishing process, is one where going from rough to high sheen is achieved through multiple passes with the grinding unit using ever finer diamond segments. Once this phase is complete we wash and vacuum the substrate to remove any laitance that would ultimately cause clouding in our finished polished concrete.
Grout Coating of The Polished Floor
Once all of the rough cutting is complete, we then follow up with a very thin bodied epoxy grout coat that dries very quickly, thereafter we begin to cut off the surface grout leaving an even porosity and filling of any small voids that may hinder the high sheen we want to achieve.
Apply Densifier to the Concrete Substrate
We then apply a saturating formulation called a densifier this will ensure good hardness at the surface as well as an even palette, for the subsequent honing. This polishing process involves the use of resin diamond segments as opposed to the previously utilize metal segments. This change in tooling is ideal as it begins to bring out the sheen without removing a lot of the existing now rough cut concrete polish. This process is what creates the concrete resurfacing that ultimately will give us a new and bright look for many years to come.
Apply Gard to Impregnate The Wax Look
Once the specified sheen is achieve we then apply a coating of lithium Gard creating both a sealed, but also high sheen. These Gard products typically dry quickly allowing us to commence the finish phase of the concrete polish by using a high speed and light weight grinder referred to as the burnisher. This equipment spins at a high rate create a shine that will be both dense and extremely shiny for future service.
The Success of a Concrete Polishing Project Is In The Details
As in most construction projects the "magic" is in the attention to detail. Meaning the use of a vacuum system that is equipped with the appropriate CFM to minimize any air borne dust. Washing the substrate after the rough cut allows for a nice even clear sheen. Then finally high speed polishing done at the right velocity and consistency throughout. In closing, we have a passion for our flooring systems, none more than polishing, give us a call today to see how we can walk you through the concrete polishing process and maybe even offer you a price quote for your consideration.