The Concrete Space

The Testing Terms of Concrete Polishing

Posted by Tony Corsini on 7/31/20 11:00 AM

Over the last two decades, the demand for polished concrete has grown drastically. Twenty years ago, when Hoover & Wells started polishing concrete floors, customer expectation was set by specifying a desired gloss level. Although gloss testing is important, there are other tests that have been developed in recent years that will better define the overall expected outcome of the polished concrete surface. Distinctness of Image, Haze, and Roughness Average can be used in addition to the Gloss test to ensure the owner gets the quality floor he or she is paying for. The testing needs to be performed before the application of a sealer/guard because these products tend to give inflated readings. So, let's go over some of these terms and what they mean!

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Topics: Concrete Polishing, Floor Systems, Surface Preparation, The Hoover Wells Advantage, Concrete Terms

Concrete Surface Preparation

Posted by Tony Corsini on 9/20/19 9:19 AM

Proper concrete surface preparation is the most important part of the application of protective coatings or overlayments. Applicators should inspect and prepare concrete surfaces as failure to do so can result in failure of the flooring system.

All concrete surfaces must be sound. The surface strength of the concrete must be at least 200 psi for the successful application of Rez-Stone flooring products.

Depending on which Rez-Stone flooring system is used, removal of surface defects may be required. Smooth trowel surface on the substrate is required. Protrusions such as mortar splatter or trowel marks should be removed by grinding.

Any oil, grease, curing compounds, release agents, laitance, or unbounded coatings must be removed prior to the application of Rez-Stone flooring systems.

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Topics: Rez-Stone, Concrete Polishing, Epoxy Flooring, Surface Preparation

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