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Penetrating Seal


All stone is porous, some more than others. For most stone—especially very porous stones like hone-finished limestone or certain granites—the application of a quality impregnating sealer is highly recommended.
The application of an impregnating sealer to highly-polished marble and travertine, or polished high-density granites, may not be necessary—but when in doubt, consider this: it doesn’t hurt to have it sealed. If it turns out that sealing the stone does, in fact, prevent some staining, you’ve saved yourself the cost of a stain removal service.


Why Seal?……Reaction Time

When a liquid is spilt on a stone, tile or grout surface that has a degree of water absorption, a stain can result almost instantly as the reaction time to clean is short to zero! Sealing these same stone, tile or grout surfaces significantly reduces the degree of water absorption increasing the reaction time to clean and remove these contaminants before a stain can occur. Good sealers have reaction times measured in minutes, protecting the surface from primarily water based contaminants. The best or premium sealers have the longest reaction time measured in hours protecting surfaces from the widest range of contaminants both water and oil based.

Penetrating / Impregnating Tile & Stone Sealers

Premium tile, grout & stone sealers contain higher quality active ingredients than their more economical counterparts, delivering complete coverage of the gaps in the stone to provide better stain resistance, regardless of porosity and density.


Dense stones need smaller sealer molecules to fit into the smaller pores in the surface. Penetrating, water-based sealers offer excellent protection for stone with water as the carrier. Solvent-based sealers protect and penetrate with solvent-based carriers.

The choice between a water-based and solvent-based sealer is a matter of intended application. As long as both are premium tile & stone sealers, they will offer maximum levels of protection. Active ingredients, or solids, bond with stone and fill in the gaps, or pores, to penetrate the surface. What doesn’t penetrate the surface gets wiped away.