10 Best Granite Sealers 2025 in the United States

The Weiman Complete Countertop Clean & Protect Kit is designed to clean, polish, and seal natural stone surfaces like granite, marble, and quartz, making it a versatile choice if you want an all-in-one solution. It comes with two sprays: one to clean and shine, and another to seal and protect. This setup works well for daily or weekly maintenance, which is convenient for keeping stone looking fresh without extra hassle. The sealer forms a protective barrier that helps prevent stains from grease, water, and soil, which is important for maintaining the stone’s appearance over time.

Since it is a spray, applying the sealer is straightforward and less messy compared to some other products that require wiping or brushing. It is meant for non-porous sealed surfaces, so it’s not ideal for unsealed or very porous stone types. The finish leaves a polished look, enhancing the stone’s natural beauty without a dull or overly shiny effect. One limitation is that it may need regular reapplication to maintain protection, especially in high-use areas like kitchen countertops.

While it offers good water resistance, very heavy or prolonged exposure to liquids might still require extra care. This kit is a solid option for homeowners who want to protect and maintain their stone surfaces easily, with a product suitable for multiple stone types and surfaces around the kitchen and bathroom.

The STONETECH Bulletproof Sealer is a solid choice for anyone looking to protect their porous natural stone surfaces, especially granite. One of its key strengths is its durability; it offers protection for up to five years on interior surfaces, which is impressive compared to many other sealers on the market. This longevity means less frequent reapplication, saving you time and effort in the long run.

Another notable advantage is the ease of application. The water-based formula allows for straightforward use, and it’s compatible with a variety of stone materials, making it versatile for different projects. Additionally, it provides good coverage, protecting up to 100 square feet, which is beneficial for larger areas.

When it comes to stain and water resistance, this sealer excels, effectively preventing both stains and moisture from penetrating the stone. This feature is crucial for maintaining the aesthetic and structural integrity of your granite surfaces.

The Wet Look Natural Stone Sealer by Black Diamond Stoneworks is a versatile and durable sealer that provides a lasting glossy finish. It's especially effective for enhancing the appearance of various surfaces like pavers, slate, and driveways, both indoors and outdoors. The sealer is designed to deliver a 'wet look,' which amplifies the natural beauty of the stone without significantly darkening it post-application. This makes it suitable for those who wish to maintain a natural appearance while adding a layer of protection.

This sealer stands out due to its ease of application, as it can be applied using a spray, brush, or roller, catering to both professionals and DIY enthusiasts. It's also noteworthy for its resistance to chemicals, making it ideal for protecting surfaces in areas exposed to potential spills or harsh conditions. Additionally, it's manufactured in the USA, which may appeal to those who prefer domestically produced goods.

In terms of drawbacks, users might find that the 'wet look' finish might not be to everyone's taste, especially if a completely natural, matte finish is desired. Furthermore, the instruction to test a small area beforehand implies that the sealer may not be universally compatible with all stone types, which could require careful consideration and potentially additional steps in the application process. For those seeking an easy-to-apply, glossy finish that enhances and protects stone surfaces, this sealer could be a great choice. However, it's essential to ensure compatibility with your specific stone type to avoid unintended results.