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.
It may look something like this:

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

How do I fix Poor Alkali?
Follow these steps:- Before painting, allow masonry to cure for one to two months.
- Apply an alkali-resistant primer.
- Finally, apply a high-quality, 100% latex exterior paint.