Problem Solving Forum

November 5 - November 11, 2012

Can efflorescence be removed from integrally colored CMU without damaging the appearance? How?

Selected Answers

From Andres Weber of Chemical Technology Inc. on November 15, 2012:
Phosphoric acid at a low concentration is a great more

From Joseph Berchenko of Arcom on November 12, 2012:
     If CMU is new and there a more

From Glenn Summers of Conselcor Inc. on November 12, 2012:
     Yes, it may be removed, a more

From web stokes of DMA on November 7, 2012:
     Yes, with a mild acidic s more

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Tagged categories: Concrete masonry units (CMU); Efflorescence; Maintenance + Renovation