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Old Versus New Concrete Slabs for Flooring – Staying Out of Trouble with Both

By Lewis Migliore

Old slabs versus new slabs - there is a big difference between the two as new slabs may contain several and varying components that old slabs don't. The finishing process is different and unfortunately often creates a surface that is slick as glass and aids in holding moisture in due to ride-on trowel machines. There are chemicals used and being touted as moisture mitigators that aren’t, as well as curing agents and bond breakers that can wreak havoc with flooring installations. The concrete will also vary throughout the country due to different aggregates available or being used.

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The Commercial Flooring Report is provided by Lewis Migliore, president of LGM and Associates, which offers technical flooring services, including help or guidance with a new flooring project or a failure on an existing floor. Contact him at lgmtcs@optilink.us.

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posted on 4/18/2018