Glidden Brush Ups: Poor Alkali - Home Decorating & Painting Advice

Glidden Brush Ups: Poor Alkali

What is Poor Alkali?

Color loss on fresh masonry caused by applying paint to masonry that has not cured for at least a month.   May look something like this:


How do I fix it?

Allow masonry to cure for one to  two months  before painting, or apply an alkali-resistant primer. Finally apply a high-quality, 100% latex exterior paint.

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