Hello, I need to order paint for my church’s basement because it has a strong musty/mildew smell. The walls have been painted in the last few years and there is no visible mold or mildew on them. I’m thinking it’ll be Lime Prime but then do I need to paint over that? I have about 700-800 square feet to cover so could you also include how much paint I need to cover that amount?
We don’t always paint over it in basements since often there is not a need to.
Coverage depends on the kind of surface being coated.
On drywall I would spread it at a rate of about 300 sft / gal.
On Masonry walls I would figure less. If it’s porous walls like concrete block, then that eats up a lot of paint.
For those kind of walls I would guesstimate about 150-200 sft / gal.
It’s possible to spread the coating thinner for more coverage but if trying to get rid of musty odors and keep the surface clean in the future, I would try to give it a good thick coat.
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