Can this sealer be used after acid staining or after a waterborne acrylic stain (such as Smith's Color Floor)?
Green Building Supply, Penetrating Concrete Sealer
Smith's Color floor claims to applicable over sealed surfaces, but is not compatible with Methyl Methacrylate or penetrating (e.g. sodium silicate) sealers. I would assume an acid stain would need to be neutralized (with baking soda?)
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Open Jun 09, 2026 - 12:53 PM
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Staff Answer
Jun 09, 2026 - 12:53 PM
Unlike topical sealers that sit on the surface and rub off with wear and tear, GBS Penetrating Sealer protects from inside the material where it can't wear away. In other words, this sealer actually becomes part of the substrate. Because it penetrates the concrete via the pores, it cannot be applied over any other sealers or coatings.
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Green Building Supply, Penetrating Concrete Sealer
Safe, permanent waterproofing sealer for concrete, masonry, stucco or brick Cold Weather AlertThis product may not perform properly if applied below the required temperature. Please check installation instructions on our website. Because this is a water-based product, it may freeze during shipping. ...
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