Regular professional resealing is the single most important thing you can do to protect a natural stone countertop — preventing stains, preserving appearance, and extending the life of your granite, marble, or quartzite surfaces.
Natural stones like granite, marble, and quartzite are porous — they contain microscopic channels that can absorb liquids if left unprotected. A stone sealer is a penetrating liquid that fills those pores, creating a barrier that causes liquids to bead on the surface instead of soaking in.
Think of it like a waterproofed jacket versus a regular one in the rain — the stone is the same, but the protection makes all the difference. That barrier degrades over time (typically 1–2 years) from cleaning, heat, and daily use, which is exactly why periodic resealing matters.
Every material has its own care rhythm — here's the short version. Full detail is on each material's own page.
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