Peeling paint on concrete block building.

Building Maint. asked 5 years ago

3 years ago I repainted a concrete block building. I power washed and then used acid and washed it. The paint is peeling at the mortar joints. There is a metal cap that covers the block. I recaulked the the laps in the metal cap thinking that’s where the water was getting through, but the paint is still peeling and the building looks bad. Can you give me some insight?

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