resisting alkali
Description
Results are color loss and complete deterioration of the paint on fresh masonry.
Probable Cause
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Poor surface preparation.
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Painting a new high alkalinity masonry surface before it has cured a minimum of 30 days.
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Full curing takes a year.
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No primer or using an improper primer.
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A top coat of oil base or vinyl latex without a primer.
Solutions
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Allow new masonry surfaces at least 30 days of curing to avoid color loss and paint film deterioration of fresh masonry.
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Use an alkali resistant primer.
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Repainting the same preparation as Efflorescence..
Primers & Interior Finishes
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Priming is critical. An alkaline-resistant primer must be used on fresh, uncured masonry surfaces.
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Select a top quality California Paints exterior paint in the color and sheen of your choice.
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