how to seal granite countertops
Daniel Johnston
Updated on May 14, 2026
The good news is sealing granite is an easy do-it-yourself project. Many homeowners seal their granite counters once or twice a year, although you can seal them more regularly if you wish because it is not possible to over-seal natural stone.
Do granite countertops need to be sealed?
Most granite is very stain resistant and does not “require” sealing. However, sealing is an added precaution, and many fabricators and installers do recommend it. Quality Granite & Marble typically makes this determination, and applies sealer when needed.
What is the best product to seal a granite countertop?
Read this guide for assistance in choosing the best granite sealer for your stone surfaces.
BEST OVERALL: TriNova Granite Sealer & Protector.RUNNER-UP: Granite Gold Sealer Spray.BEST BANG FOR THE BUCK: Black Diamond Stoneworks GRANITE PLUS!BEST WITH POLISH: Rock Doctor Granite & Quartz Care Kit.
Can granite be sealed permanently?
yes, it is possible to apply a permanent bond sealer. A couple companies (Sensa, Permashield) are offering granite with a permanent sealer pre-applied “at the factory”.
What happens if I don’t seal granite?
What Happens If You Don’t Seal Granite Countertops? If you don’t use a granite sealer on your countertops (or you wait too long before resealing granite countertops), they will: Absorb food, grease, and liquids — causing set-in stains on your countertop. Absorb water — making the countertop always look dirty.
How can you tell if granite is sealed?
How do I know if my granite needs to be sealed?
pour a tablespoon of regular tap water onto the counter and let it sit for 10-15 minutes.Wipe away water with a dry cloth.Is there a darkening of the stone?If there is darkening, your counters could use some sealer.If color hasn’t changed, the stone is sealed.
Can water ruin granite?
So can water ruin granite? No, but it can discolor it so you want to be cautious with especially hard water on your granite countertops.
How do you strip and reseal granite countertops?
How To Remove Granite Sealer Residue
First try scrubbing the countertop with 0000-grade (very fine) steel wool or a Magic Eraser. Pour fresh sealer onto the countertop.Agitate fresh sealer by rubbing the surface with a nylon pad or brush for 3-4 minutes. Wipe the surface completely dry.
Is 511 impregnator sealer good for granite countertops?
It’s recommended for concrete, quarry tile, ceramic tile, porcelain tile, marble, granite, travertine, slate, quartz, brick, terrazzo and even grout. You can use Miracle 511 Sealer on your indoor and outdoor surfaces, including showers, restrooms, patios and driveways, to protect against moisture damage and staining.
How often does a granite countertop need to be sealed?
Some experts will recommend sealing granite countertops every “6-12 months” or “3-5 years”, but there is no hard and fast rule. How Often Do You Need To Seal Granite? Granite is a unique and natural material that is extremely durable, resistant to high temperatures, and easy to clean.
How do I get my granite to shine again?
Simply get a quality soap film remover to get the shine back. High mineral content in your water (hard water) can also result in a dulling buildup on your countertops. Most soap film removers will do the job, but you can also find combination soap buildup/mineral deposit removers that can tackle both problems.
Does sealed granite stain?
Granite surfaces feature tiny pores that can absorb liquids, staining the surface. Thankfully, granite is one of the least porous natural stones. When properly sealed, it won’t stain at all. But over time, the seal on your granite counter will start to deteriorate, leaving it open to stains.
How much does granite sealing cost?
If you’re up to the task, you can purchase sealant for around $20 from most hardware stores. If you’re interested in having your countertops sealed by a local granite countertop pro (which can last longer), expect to pay between $170 to $350.
Can you use Clorox wipes on granite?
Clorox, whether it is Clorox wipes or the Multi-Purpose cleaning fluid, is not safe to use for cleaning and disinfecting your granite. The multi-purpose cleaner contains bleach, which is extremely harmful for granite and many other natural stones.
Can you put hot pans on granite?
Homeowners don’t need to worry about damaging their countertops with everyday use because granite is quite heat resistant. Placing a hot pan on a well-maintained granite slab will not cause it to crack or weaken. Just remember that repeatedly placing a very hot pan on the same spot may cause granite to discolor.
Can Windex be used on granite?
Since granite countertops have a sealant on them to keep them shiny and stain-resistant, you want to avoid using anything too acidic or basic on the granite. Frequent use of vinegar, Windex or bleach will dull the granite and weaken the sealant. Instead, a little soap and water should do the trick.