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Concrete PH question

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A ready mix supplier as submitted a tilt-up concrete mix that will provide a PH of about 12.5 to 13.


The painting sub-contractor will not warranty his work for a PH above 10.


Any suggestions from the tilt-up experts out there as to what admixtures or cementitious substitutes could be used to reduce the mix PH or a paint product that is not susceptible to concrete PH above 10?


D. Matthew Stuart, P.E., S.E., F.ASCE, SECB

Senior Project Manager

Structural Department


Schoor DePalma Engineers and Consultants

200 State Highway Nine

Manalapan, NJ 07726

732-577-9000 (Ext. 1283)

908-309-8657 (Cell)

732-298-9441 (Fax)