The Concrete Space

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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