What Actually Damages Granite
Granite earns its reputation as one of the toughest natural stones on the market, and that reputation is deserved when it comes to acids. Where marble etches and dulls on contact with citrus or wine, granite's crystalline structure shrugs those same spills off. The real threats to granite are different. Oil-based liquids such as olive oil, butter, cooking grease, sunscreen, and hand lotion can work into the stone's natural pores and leave a dark, stubborn stain that no amount of scrubbing fully lifts. On lighter and more porous granite colors, mineral deposits from hard water can build into visible spotting around sinks and faucets. Underneath all of it, the topical sealer that came with your countertop is degrading with every wipe-down, every cleaning product, and every hot pan set on the surface, thinning until the stone's natural porosity is exposed again.
Why a Permanent Nanocoating Changes the Maintenance Equation
Traditional granite sealers are topical products sitting on the surface, and surfaces wear. That's why the standard advice is to reseal every one to two years, a recurring chore that's easy to forget until a stain shows you the sealer is gone. RAKU works differently. It's a nanocoating that bonds into the stone rather than sitting on top of it, curing into a permanent, invisible layer backed by a 10-year commercial warranty. There's no annual resealing to schedule, no water-bead test to remind you it's time, and no window where your granite is left exposed while you get around to reapplying. The oil resistance a fresh sealer gives you on day one is the oil resistance you have on day one thousand.
Where This Applies
Granite countertop protection matters most anywhere oil, heat, and hard water meet stone. Kitchen countertops and islands see the heaviest daily traffic: cooking oil splatter, hot cookware, and constant wipe-downs that gradually strip conventional sealer. Outdoor kitchens face that same oil exposure plus UV and weather, and RAKU's heat resistance to 1,900°F and non-yellowing formula hold up under both. Bar tops take on a steady stream of oil-based garnishes, citrus, and alcohol; granite already handles the acidic side well, and a permanent granite protector locks in resistance to everything else. Application takes one day with no downtime, and the surface is food-safe once cured, so your kitchen or bar is back in service immediately.
If you're relying on a sealer that's already a year or two old, your granite protection has an expiration date whether you've noticed yet or not. A permanent granite protector removes that guesswork for good. Request a free estimate from Marble Armour today and find out what a one-day, permanent application can do for your countertops, islands, or bar tops.