When to seal, which sealers to use, and how to apply them.
Sealing is the single most cost-effective thing you can do to protect natural stone. It doesn't make stone bulletproof — but it buys you time when spills happen, turning a would-be stain into a wipe-up.
A penetrating (impregnating) sealer soaks into the stone's pores and slows the absorption of liquids. It does not form a surface coating, doesn't change the look of the stone (unless you choose an enhancing sealer), and doesn't prevent acid etching. Its job is stain resistance, full stop.
Marble and limestone: every 12 months. Travertine: every 6–12 months. Granite and quartzite: every 1–3 years depending on density. Terrazzo (cementitious): every 12 months. Porcelain and zero-silica: no sealing required. Your product page on this site lists the schedule for each specific material we stock.
Sprinkle a tablespoon of water on the surface and wait 10 minutes. If it beads or sits on top, the sealer is working. If the stone darkens underneath, it's absorbing — time to re-seal.
Clean the surface thoroughly with pH-neutral cleaner and let it dry completely — ideally 24 hours. Apply the sealer evenly with a clean cloth or applicator, keep the surface wet with sealer for the dwell time on the label (usually 5–15 minutes), then wipe off ALL excess before it dries. Residue left to dry causes hazing. Allow the full cure time before heavy use.
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