Is Sealing Granite Countertops Necessary?

Test your granite right now, with nothing more than a cup of water!


The good news is, you won’t need to call out CSI, or have expensive testing done to know if you need to seal your granite. Follow the 5 steps below to know for certain what your granite countertops need, then we’ll show you the best granite sealer, and how to seal granite to keep it beautiful for years to come.

  1. Fill a cup with clear, cool tap water. You won’t need much, a quarter of a cup is enough.

  2. Check your watch, or even set a timer on your smartphone, we’ll be timing the absorption rate of your granite countertop.

  3. Pour a small amount of water onto the counter. Just enough to create a pool about the size of your hand. It’s best to do this in two or three places across the counter.

  4. Start your timer, or make a note of the time when you poured the water.

  5. Wait until there is no standing water on the countertop, or 30 minutes, then consult the chart below.

  • Immediate absorption with a dark mark, or ring, sealant may need to be applied once a quarter. Your stone’s porosity is on the high end.

  • 4-5 minutes, sealer can be applied annually to ensure protection.

  • 10 minutes, may not require sealing again for two years.

  • 30 minutes, sealer not required to prevent staining, but is still beneficial to prevent etching and scratches.

For more about how to determine if your kitchen countertops need to be sealed, please contact us today. We’re always here to help!




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