Is it necessary to seal granite counter tops?

By Samuel Coleman

Is it necessary to seal granite counter tops?

Although most granite countertops don’t need to be sealed, it does help the stone resist dirt and spills, which can cause etching and staining [source: Marble Institute of America]. Generally, you should seal most kitchen granite countertops annually.

How do you know if your granite needs to be sealed?

How do I know if my granite needs to be sealed?

  1. pour a tablespoon of regular tap water onto the counter and let it sit for 10-15 minutes.
  2. Wipe away water with a dry cloth.
  3. Is there a darkening of the stone?
  4. If there is darkening, your counters could use some sealer.
  5. If color hasn’t changed, the stone is sealed.

How much does it cost to seal a granite countertop?

The national average materials cost to seal granite is $0.19 per square foot, with a range between $0.18 to $0.20. The total price for labor and materials per square foot is $1.20, coming in between $0.77 to $1.63. A typical 120 square foot project costs $144.03, with a range of $92.54 to $195.51.

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Do you need to seal new granite countertops?

Let me explain the whole deal… While it is true that most new granite countertops need sealing to help prevent stains this does not mean that all granite needs sealing or that you should blindly apply a sealer to all granite countertops. Many granite countertops do NOT need sealing… at all… ever.

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What do you need to know about granite countertops?

In other words, testing tells you if the granite you want to buy will stain easily or if a particular stone etches from acids. Staining can be controlled by sealing but, in general, more porous stones and those that etch from acids are way more troublesome as kitchen countertops.

Why do natural stone countertops need to be sealed?

Most types of natural stone are riddled with tiny capillaries and channels that interconnect and thread through the structure. Those tiny channels allow water, oils and other liquids to move into the stone. That is why if you spill a glass of red wine on untreated white marble, the coloring seeps into the body of the stone.

Why do I have stains on my granite countertop?

However, if unsealed, acidic substances can easily deteriorate the stone over time. Etching may occur through exposure to acidic cleaning agents such as vinegar as well as everyday household items like lemon juice, and stains can occur from various food substances that have color in them.

Does granite need sealing?

Although most granite countertops don’t need to be sealed, it does help the stone resist dirt and spills, which can cause etching and staining [source: Marble Institute of America ]. By its nature, granite is moisture-resistant — however, it’s also porous. Sealants block liquids from seeping into the granite.

Does granite need sealed?

Although most granite countertops do not need to be sealed, it does allow the material to resist spills, which can cause etching and staining. Granite is more durable, acid-resistant and scratch-resistant.

How does a granite countertop sealer work?

When granite sealer is applied to the surface, it penetrates the pores and “clogs” them , greatly reducing the absorbency rate of the stone. Therefore, liquids and other fluid materials are not easily absorbed and cannot stain the surface. This is why sealing is so essential for proper granite countertop care. How Does Granite Sealer Work