Granite countertops are a top choice for homeowners seeking durability, elegance, and long-lasting quality. However, to maintain their beauty and functionality, proper care is essential. One of the most crucial aspects of granite maintenance is sealing. Without proper sealing, granite can absorb liquids, leading to stains, bacterial growth, and potential damage. But how often does sealed granite need to be resealed? Let’s dive into the details.
Understanding Granite Porosity
Granite is a natural stone with varying levels of porosity. Some slabs are denser and require less frequent sealing, while others are more absorbent and need more attention. The porosity of your granite will determine how often it should be sealed.
The easiest way to test your granite’s need for sealing is the water test. Simply pour a small amount of water onto the surface and wait about 15 minutes. If the water beads up, your sealed granite is still protected. If it soaks in and darkens the stone, it’s time for a fresh coat of sealant.
General Guidelines for Sealing Granite
While the frequency of sealing depends on usage and porosity, here are some general recommendations:
- Light-colored granite (e.g., white, beige) tends to be more porous and typically needs sealing every 6 to 12 months.
- Darker granite (e.g., black, deep green) is often denser and may only need sealing once every 2 to 3 years.
- High-traffic areas, such as kitchen countertops, require more frequent sealing than a guest bathroom vanity that sees little use.
- Commercial sealers offer different levels of protection. Some high-quality options can last up to 5 years before reapplication is needed.
How to Properly Seal Granite
If your sealed granite is due for a reseal, follow these steps to ensure maximum protection:
- Clean the Surface: Remove any dirt, debris, or stains with a pH-balanced cleaner.
- Dry Completely: Ensure the granite is completely dry before applying the sealant.
- Apply the Sealer: Use a clean cloth or brush to apply an even layer of granite sealer.
- Let It Absorb: Allow the sealer to sit for the recommended time (usually 10-15 minutes).
- Wipe Off Excess: Use a dry cloth to wipe off any unabsorbed sealant.
- Cure: Let the sealer cure for at least 24 hours before using the surface.
Signs Your Sealed Granite Needs Resealing
Not sure if it’s time to reseal? Look for these signs:
- Water no longer beads on the surface.
- The countertop appears dull or feels rough.
- Stains occur more easily and don’t wipe away.
- The surface absorbs liquid quickly.
Why Sealed Granite is Important
Sealed granite helps protect the natural stone from damage and ensures its longevity. Without a protective seal, your countertop can become vulnerable to stains, moisture damage, and bacterial buildup. By maintaining a regular sealing schedule, you can keep your granite looking beautiful and functioning properly for years to come.
Common Myths About Sealed Granite
There are a few misconceptions about sealing granite that homeowners should be aware of:
- Granite doesn’t always need sealing: While some types of granite are naturally dense, most benefit from periodic sealing.
- Once sealed, granite is stain-proof: Sealing granite makes it more resistant to stains, but it’s not a foolproof solution. Spills should still be cleaned promptly.
- All sealers are the same: Different sealers provide varying levels of protection. A high-quality, penetrating sealer will last longer than a surface sealer.
Final Thoughts
Sealing granite is a necessary step in maintaining its beauty and longevity. Depending on the type and usage, sealed granite typically needs resealing every 6 months to 3 years. Regular maintenance, including testing and proper application, will ensure your countertops remain in excellent condition.
By understanding how often sealed granite needs to be maintained, you can take proactive steps to protect your investment and enjoy stunning countertops for years to come.
Make a visit to our Dublin showroom inn Sandyford The Stone Studio or see our selection of Granite here
