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The frequency for sealing granite countertops depends on several factors, including the type of sealant used, the color of the granite, and how heavily the countertops are used. As a general guideline, resealing is often recommended every 12 to 18 months, but some sources suggest it could be as often as every few months or at least once a year.

The type of sealant is a major factor: water-based sealants may need reapplication every six months to a year, while more durable solvent-based sealants can last for five to 10 years. Additionally, factors like heavy kitchen traffic, frequent use of acidic cleaners, and lighter granite colors may require more frequent sealing to prevent staining.

To determine if your countertops need resealing, you can perform a simple water test. Place a few drops of water or a wet paper towel on an inconspicuous area of the granite. After 10 to 15 minutes, check the spot. If the water has beaded up, the seal is still intact. If the water has been absorbed and darkened the stone, it's time to apply a new coat of sealant. You can choose to seal the granite yourself or hire a professional to ensure it's done correctly.

Installing granite kitchen countertops costs about $3,250, ranging from $2,000 to $4,000, depending on the quantity and quality of the granite, use of granite tile or granite slabs, the type of granite, and its color and texture. Varieties of granite include:

• Alaska white: $35 per square foot

• Ubatuba: $30–$60 per square foot

• Silver cloud: $35–$40 per square foot

• Absolute black: $45–$60 per square foot

• Black galaxy: $50–$70 per square foot

• Blue Louise: $70–$100 per square foot

• Crema Bordeaux: $80 per square foot

• Solarius: $60 per square foot

Cutting stone comes with a number of safety hazards. First and foremost, if you’re not comfortable with the equipment required to cut stone, including blades and grinders, you could easily injure yourself. The heavy machinery also poses a risk to your ears if you don’t wear proper ear protection; similarly, you need to wear eye protection to keep debris from irritating your eyes.

However, the biggest risk from cutting stone comes from the stone dust. When breathed in, stone dust can be a huge hazard to your lungs. Always wear a face mask when cutting stone to prevent inhaling stone dust, and thoroughly clean the work area when you are finished.

To avoid injury, we recommend hiring a stone-cutting professional, rather than attempting this job yourself.

Engineered stone countertops range in price between $60 and $200 per square foot. The three main types are quartz, recycled glass, and sintered stone. The most affordable is sintered stone, which is ideal for outdoor kitchens and costs $60 to $100 per square foot.

Recycled glass countertops fall in the middle at $65 to $140 per square foot and offer a very distinct look. Meanwhile, quartz counters are on the higher end of the price range at $50 to $200 per square foot. Popular quartz options mimic the look of natural stones like marble and granite.