Moisture In CMUs: When Is It Safe To Paint?

From D+D Print, Spring 2017

By Zenith F. Czora, Crommelin

When it comes to concrete block, the successful coatings application often requires knowledge of the presence of moisture....

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Tagged categories: alkalinity; ASTM D4263-83; Blistering; Breathability; Cement; Coating failure; Concrete coatings and treatments; Concrete masonry units (CMU); Condensation; Dew-point; Drying; Durability; Electrical Impedance; Humidity and moisture; Instruments; Masonry; Meters and gauges; Moisture detection; moisture vapor transmission (MVT); Mortars; Permeability; permeance; Plasters; Site/field testing; Temperature; Walls

Comment from James Wall, (7/21/2017, 9:12 AM)

Thank you. We need general contractors to understand these facts when scheduling painting work??

Comment from Zenith Czora, (7/22/2017, 7:35 AM)

Now a days, it is more in fast turnover which ends up costly paint rework caused by coating failure. This article give some guidelines when to apply coatings on CMU walls.

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