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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.

The least expensive way to build a kitchen countertop is to choose an affordable material. For example, laminate countertops cost about $1,250, while Corian® countertops cost $4,000 on average. Common wood and laminate tend to be the most affordable and DIY-friendly, which will save you the cost of labor. Otherwise, look for lower-end solid surface countertops or ceramic and stone tile. These cost less than natural stone slabs.

Porcelain countertops have a fairly long life span, sometimes lasting for decades. Depending on how much wear and tear you put your countertops through, it could last 25 to 50 years. But be warned, porcelain is also prone to cracking, so as long as you take good care of it, you’ll have those countertops looking brand new for years to come.

The best type of wood for countertops is hardwood. Hardwood is much more durable and resilient than softwood, so it won’t scratch or dent as easily. Oak, cherry, maple, walnut, and teak are all popular options that are relatively common in North America. Some homeowners prefer to use pine or cedar, but make sure to seal your countertop to help prevent damage. Yellow pine fares better than white pine.