Concrete Block Painting

Jeff Emptage asked 6 years ago

30 years ago the basement was painted with latex paint on concrete block. Now I want to do it again as there has been some calcification in the concrete between the block. That has to be wired brushed. My question to you is – Is there any special preparation that I should put over those areas before using a latex paint again, or should I just give it a heavier coat in the affected areas.?

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