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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.

Some of the cheapest ways to change granite countertops without replacing them include painting, honing, or changing the finish, covering them with tile or laminate, and using countertop contact paper. Dollar for dollar, applying countertop film is the cheapest, easiest, and most reversible way to update the look of your countertops. No matter what you choose, remember that permanently marring the original countertops can cost you money when you’re trying to sell your home, so make smart choices and preserve the integrity of the granite.

The cost to repair a stone countertop typically ranges from $200 to $800. The final price depends on several factors, including the type and severity of the damage, the type of stone, and labor costs. Minor issues like small cracks, chips, or scratches are on the lower end of the cost spectrum, while more significant damage that requires resurfacing, refinishing, resealing, or custom color matching will be more expensive.

Engineered stone is known for its durability, lasting 15 to 20 years or longer. Of course, this range assumes high-quality materials and regular maintenance. After a couple of decades, the stone will start showing its age. Watch for discoloration, fading, stains, and burns, but it’s unlikely that engineered stone will experience structural failure.