I am a correctional Officer at a local jail and I’m constantly repainting the cells because inmates peel the cheap paint from the concrete block walls. I was curious to know if there is a type of masonry paint that if applied correctly, doesn’t peel off? If so, what would

I have a damp closet below ground level. Instead of installing sheet rock I will be installing 3×5 sheets of 1/2″ Hardi Backer Board on the walls. Can I tape and paint the Hardi board? I am using it instead of sheet rock so it wont retain dampness and I