MVT and Alkalinity in Concrete

Preparing for Floor Coating Systems

From JPCL, January 2017

By Joe Schmit, Tnemec Company Inc.

It is important to understand what happens below the concrete surface when a resinous flooring system is installed. Coating failures have traditionally been attributed to the pressure created by moisture vapor transmission, but the problem may actually be alkalinity caused by the movement of moisture within the concrete slab....

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Tagged categories: alkalinity; ASTM D4263-05; ASTM F1869-11; ASTM F2170-11; Blistering; Coating failure; concrete; Concrete floor coatings; Cure; Delamination; Disbondment; Epoxy; Good Technical Practice; Humidity and moisture; Moisture detection; moisture vapor transmission (MVT); Peeling; Resinous flooring; Site/field testing; Soluble salts; Tnemec

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