Best Hardware Sealers for Countertop of 2025

Protect your natural stone surfaces with Granite Gold Sealer. This spray creates a barrier that provides maximum protection against oil, water, coffee, wine, and other liquids, as well as etches and soil build-up. Specially formulated for all natural-stone surfaces in the kitchen, bathroom, and other areas of your home, this pH-balanced and food-safe spray is easy to apply and has no strong or harmful odors. Made by a third-generation family of stone care experts in the USA, Granite Gold Sealer is a must-have for maintaining and protecting your stone surfaces. Use it with Granite Gold Daily Cleaner and Polish for long-lasting results.

Stone Care Sealer is a high-quality, ammonia and phosphate-free, streak-free formula that comes in an easy-to-apply spray bottle. It can be used on all solid stone surfaces, including granite, quartz, marble, limestone, slate, grout, and slate. The penetrating sealer forms flexible molecular links for strong protection and provides superior coverage of 72 sq. ft. with just one application. You should use it at least every 6 months for best results. This sealer is safe on food contact surfaces, making it a convenient choice for kitchen countertops. With Stone Care Sealer, you can protect your stone surfaces and keep them looking like new for longer, all while enjoying the convenience of an easy-to-apply spray bottle.

Tuff Duck Sealer is designed specifically for concrete surfaces like countertops and sinks, making it an ideal choice for your home projects. This water-based formula is not only food safe and non-toxic, but it also contains no harmful VOCs, ensuring a safe environment for you and your family. With a satin finish, one 750ml bottle covers a generous 45-60 square feet, providing excellent value. You’ll appreciate the detailed application instructions that come with every purchase, guiding you through the process for a professional-looking finish.

The GlobMarble Sealer XS-327 is a high-quality concrete countertop sealer that provides excellent protection and a beautiful matte finish. Once cured, it is food-safe, making it perfect for use in kitchens and other food preparation areas. With each quart of sealer, you can cover up to 100 square feet of countertop, ensuring that you have enough product to complete your project. The sealer also offers high abrasion and stain resistance, keeping your countertop looking pristine for years to come. Additionally, it has excellent heat resistance and can withstand temperatures up to 300°F, making it suitable for use in areas near stovetops or hot appliances. The GlobMarble Sealer XS-327 is a durable and reliable choice for anyone looking to protect and enhance their concrete countertops.

Cheng Concrete Sealer is a high-quality sealer designed for various concrete applications. With its innovative "Hybrid" technology, this sealer deeply penetrates the concrete surface, leaving a lustrous finish. It is ideal for concrete countertops, integral sinks, fireplaces, and furniture. The sealer not only enhances the appearance of these surfaces but also provides long-lasting protection against stains, moisture, and daily wear and tear. Additionally, Cheng Concrete Sealer is specifically formulated to withstand freezing temperatures, making it a reliable choice for winter use. For those living in cold climates, overnight shipping is recommended to ensure the product arrives in optimal condition. Experience the convenience and beauty of Cheng Concrete Sealer for your concrete projects.

Black Diamond Granite Sealer is a water-based and easy-to-use sealer that provides long-lasting protection for your granite, marble, travertine, limestone, and concrete countertops, as well as grout, fireplaces, and patios. It is safe for food contact and can be used both indoors and outdoors. This sealer protects your granite against oil, coffee, food, wine, grease, and ink, making it easier to clean and maintain. Its low odor formula is suitable for use on granite, stone, concrete, grout, and concrete. Simply apply the sealer, let it penetrate, and wipe it up. Black Diamond Granite Sealer is a non-toxic and non-corrosive impregnator that has been designed, tested, and used by stone care professionals.

H-Seal Concrete Sealer is a food-safe, waterproof, and solvent-free sealer that is perfect for concrete countertops, sinks, food preparation surfaces, bathrooms, and outdoor applications. It has a matte finish that leaves a streak-free surface with a subtle shimmer, providing a natural look to the concrete. With heat resistance up to 392°F, it is great for use with hot pans, oven baking trays, and even for outdoor fire pits and BBQs. The sealer absorbs deep into the pores of the concrete to stop water, making it easy to wipe away and maintain. H-Seal Concrete Sealer goes far, with coverage between 5-12m2 depending on the surface roughness, and provides protection for over 10 years with proper maintenance.

Ovation Sealer is a water-based, non-toxic sealant specifically designed for DIY concrete projects. Whether you want to seal your kitchen counter, bathroom vanity, concrete tile, furniture, or even a fire pit, this versatile sealant has got you covered. With a coverage of 50 to 100 square feet, it works with any concrete mix, including overlay. The cross-linking polymer technology ensures a clear and durable finish that outperforms other sealers on the market. Say goodbye to epoxy, filler, hybrid, or acrylic sealers and enjoy the natural look of satin or the wet look of gloss. Designed by The Concrete Countertop Institute, Ovation Sealer is both quick and easy for DIY projects and high-performance enough for professional use.

The Ghostshield Concrete Sealer is designed to enhance your concrete countertops by minimizing how much they absorb liquids. This makes cleaning and upkeep much simpler for you. The low gloss finish not only protects the surface but also gives it a more appealing look. It forms a tough, clear layer that boosts resistance against stains and abrasions, ensuring your countertops stay looking great. Plus, its non-porous nature means spills can be wiped away easily, reducing the risk of scratches and stains.

Protect your stone surfaces with Rock Doctor Granite Sealer. This granite sealant penetrates and bonds with stone surfaces to protect against moisture, stains, and damage caused by things like coffee, wine, or oils. The grout and stone sealer applies seamlessly across textured surfaces to create a reliable seal while creating a smooth, streak-free finish that enhances the color and vibrance of the surface. The advanced countertop sealer can be used on a wide range of surfaces including granite, marble, limestone, travertine, slate, sandstone, flagstone, quartzite, tile, and grout thanks to its high-level durability. Its easy-to-use spray can allows for quick and efficient application. This premium granite sealer can also be used as a shower tile sealer on countertops, floors, shower stalls, bathrooms, and on non-porous surfaces, including grout, which can also help prevent mold growth.