Sonnona, stones are similar to bricks. They are porous. Sealing them is usually not recommended because then the moisture and air won't migrate through. Latex paint seals, but the nature of the brick or stone will cause it to peel shortly.
For special stone surfaces, like granite counter tops, you can buy stone sealer from any home improvement store.
You shouldn't have to seal them. My parents had a portion of their home brick and the porch stone in the mid 1970's. No problems and it looks as great now as when the mason completed the job. However, if you have questions about the stone on your home you should contact a mason.
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Sonnona, stones are similar to bricks. They are porous. Sealing them is usually not recommended because then the moisture and air won't migrate through. Latex paint seals, but the nature of the brick or stone will cause it to peel shortly.
For special stone surfaces, like granite counter tops, you can buy stone sealer from any home improvement store.
You shouldn't have to seal them. My parents had a portion of their home brick and the porch stone in the mid 1970's. No problems and it looks as great now as when the mason completed the job. However, if you have questions about the stone on your home you should contact a mason.
There is no reason to seal the stone. Are you having some kind of problem?
You don't. It could hold moisture and cause applied seal to peel an may harm the stone.