Answer
Sep 26, 2021 - 08:39 AM
Yes, as long as they are clean, dry, unsealed, unpainted and porous. You can order samples to test this first.
Can this product be used for limestone retaining walls? SAMPLE - Green Building Supply, Penetrating Concrete Sealer Concrete & Masonry Sealers
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Open Sep 23, 2021 - 11:12 AM
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