Care & Maintenance · Quartz
Quartz Countertop Cleaning
Quartz is the closest thing to a zero-maintenance countertop — no sealing, no annual routine. But it isn't indestructible. Here's the right way to clean it, and the one thing (heat) that actually can damage it.
Wipe quartz with warm water and mild dish soap — it never needs sealing since it's non-porous. Always use a trivet under hot pans; direct heat is the one thing that can scorch or crack the resin binder.
Reviewed by the Precision Granite Works team — Epsom, NH fabricators and installers since 1990.·Last updated: July 2026
Daily Cleaning
A damp microfiber cloth with a drop of mild dish soap wipes up nearly anything quartz sees in daily use. Because quartz has no pores, there's genuinely nothing to "soak in" during normal use — the goal is just keeping the polished surface free of soap film and grease buildup.
For dried food or hardened residue, a plastic putty knife or the edge of an old gift card lifts it without scratching. Follow with a rinse and dry.
Safe Products
- Mild dish soap and warm water
- Streak-free glass cleaner for a quick shine
- Cleaners labeled specifically "safe for quartz"
- Isopropyl alcohol diluted with water for occasional disinfecting
What to Avoid
Skip vinegar as a routine cleaner on quartz too — while it won't etch quartz the way it does marble, repeated acidic exposure can dull the resin's shine over years of use. The bigger risks are harsh chemical strippers and heat, both of which attack the resin binder directly.
- • Bleach and bleach-based wipes, used routinely
- • Oven cleaner, paint remover, or nail polish remover
- • Abrasive scouring pads or powders
- • Vinegar or citrus-based sprays as a daily cleaner
- • Any stone "sealer" — quartz never needs one
- • Hot pans set directly on the surface
Spills & Stains
Quartz resists staining better than any natural stone, but prompt cleanup is still the smart habit — especially on white or light quartz, where wine, coffee, and turmeric-based sauces can leave a temporary shadow if left overnight. A simple soap-and-water wipe-down almost always fully removes it if you catch it within a day.
Heat & Scratch Guidance
This is the one rule to actually follow: always use a trivet or hot pad under pots, pans, slow cookers, and even hot glass bakeware. Sudden thermal shock can cause a hairline crack or discoloration in the resin that typically cannot be repaired invisibly. Quartz resists scratches from knives and daily use very well, so cutting boards are more about protecting your blades than the counter.
No Sealing, Ever — Here's Why That Matters
Because quartz is manufactured rather than quarried, its surface has no natural pores for liquids to penetrate. That's the entire reason it never needs sealing — there's simply nothing for a sealer to bond to or protect. This is quartz's single biggest practical advantage over granite, marble, and quartzite, and it's why so many NH homeowners choose it specifically to cut yearly maintenance out of their routine entirely.
Quartz Care Schedule at a Glance
Common Quartz Care Mistakes
These are the mistakes we see most often when homeowners call us about a quartz countertop that isn't looking its best.
This is the one real risk with quartz. Sudden heat can scorch or crack the resin binder — the mineral content handles heat fine, but the resin doesn't. Always use a trivet.
Quartz resists scratches very well, but abrasive pads can dull the polished shine over time even without visibly scratching the surface.
Quartz is extremely durable but not immune to damage — heat and harsh chemical strippers are its two real vulnerabilities, even though staining and etching aren't a concern.
These attack the resin binder directly and can leave a permanent dull spot that no amount of polishing will fully restore — mild soap and water is almost always enough.
Common Questions
Quartz Cleaning FAQ
No — never. Quartz is engineered from crushed quartz crystal and resin, which makes it non-porous by design. There are no pores for a sealer to fill, so applying one does nothing useful and can leave a hazy film. If a company tells you your quartz countertops need sealing, that's a red flag.
A damp microfiber cloth with a small amount of mild dish soap handles almost everything. For dried-on residue, a glass cleaner or a cleaner made specifically for quartz works well because it won't leave streaks. Rinse and dry after cleaning so soap film doesn't dull the surface's shine over time.
Quartz is roughly 90% ground quartz crystal and 10% polymer resin. The stone particles handle heat fine, but the resin binding them together can scorch, discolor, or even crack under sudden high heat — like a hot pan straight off the stove. This is the one real weak point of an otherwise extremely tough material, which is why every quartz manufacturer requires trivets to keep the warranty valid.
This is almost always residue buildup from hard water, soap film, or a cleaning product that wasn't fully rinsed off — not damage to the quartz itself. Try a dedicated quartz cleaner or a vinegar-free glass cleaner, buffed dry with a clean cloth. If the dullness doesn't lift, it may be etching from a harsh chemical (like oven cleaner or paint remover) that was left on the surface too long, which is a different, more permanent issue.
We don't recommend it for routine use. Full-strength bleach can degrade the resin binders in quartz over repeated exposure, leading to discoloration. If you need to disinfect after handling raw meat, a mild dish soap and water wipe-down followed by a quick pass with isopropyl alcohol is safer and just as effective.
See our full Care & Maintenance hub for every stone type, or explore quartz countertops in New Hampshire.
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