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Interior concrete wall repair

5K views 6 replies 5 participants last post by  AAPaint 
#1 ·
Been asked to patch a concrete wall in an elementary school. The concrete is ok. It looks like a 1 foot square area the original paint peeled off. It has been repainted several times but is still shy of the top layer. What should I use to patch? This is an area right next to restroom that gets a lot of "touching" Thanks
 
#3 ·
I think he's saying that it's been painted numerous times, but the spot that peeled is now lower than the rest of the thick layers of paint. My advice would be to feather sand the edges back on the existing paint. Follow up with a good block fill primer, then paint. Thoroughly clean the entire area after sanding and before priming to ensure proper adhesion. Greasy hand prints being painted over numerous times hasn't worked for the people who have painted it previously.
 
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