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What are the requirements for concrete intended to be polished?

April 26, 2017concrete polished requirements

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What are the requirements for concrete intended to be polished?

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Requirements for concrete to be polished as follows: 1. Minimum concrete compressive strength of 23 MPa (3500 psi). 2. Normal weight concrete and no lightweight aggregate. 3. Non-air entrained 4. Flatness requirements: ASTM International E-1155 5. Tight hard troweled (three passes) concrete. 6. No burn marks 7. Curing options (ASTM International C-309, C-171) – no acrylic curing and sealing compound 8. Admixtures may be used Concrete must be dry out for at least 28 days after installation.