Grinding & Polishing
Polished concrete is a multi-step process where a concrete floor is mechanically ground, honed and polished with bonded abrasives in order to cut a concrete floor's surface. It is then refined with each cut in order to achieve a specified level of appearance.
This process also includes the use of a penetrant chemical known as a hardener. The concrete densifier/hardener penetrates into the concrete and creates a chemical reaction to help harden and dust-proof the surface.
During concrete polishing, the surface is processed through a series of steps (in general a minimum of 4 grinding steps of processing is considered polished concrete) utilizing progressively finer grinding tools. The grinding tools are progressive grits of industrial diamonds in a bonded material such as metal/hybrid/resin often referred to as diamond polishing pads.
There are four levels of polishing and levels of exposure:
Level 1 - Flat / Ground
Level 2 - Satin / Honed
Level 3 - Semi / Polished
Level 4 - Highly polished
- Light sand / cream finish
- Salt and pepper finish
- Medium aggregate finish
- Large aggregate finish
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