resisting alkali

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Description

Results are color loss and complete deterioration of the paint on fresh masonry.

 

 

 

 

Probable Cause

• Poor surface preparation.

• Painting a new high alkalinity masonry surface before it has cured a minimum of 30 days.

• Full curing takes a year.

• No primer or using an improper primer.

• A top coat of oil base or vinyl latex without a primer.

 

Solutions

• Allow new masonry surfaces at least 30 days of curing to avoid color loss and paint film deterioration of fresh masonry.

• Use an alkali resistant primer.

• Repainting the same preparation as Efflorescence..

 

Primers & Interior Finishes

• Priming is critical. An alkaline-resistant primer must be used on fresh, uncured masonry surfaces.

• Select a top quality California Paints exterior paint in the color and sheen of your choice.

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