Concrete Sealer - Waterproof Sealant for Outdoor Surfaces

From the brand Black Diamond Stoneworks, we started as Denny's Carpet Cleaning, a family-owned business. After 20 great years, we saw a need for stone restoration, cleaning, and repair, and decided to add those services. We wanted to use products that were safe, free of harsh chemicals, effective, and without damaging the stone in any way. We partnered with a chemist to create the perfect products, and our goal was to enable our clients to maintain the new look and protect their surfaces. We decided to bottle and sell our products, and Black Diamond Stoneworks was born.

Our commitment is to make cleaning easy, so that you can enjoy your life. Our products are SAFE - bio-based, hypoallergenic, safe around kids and pets, and formulated without harsh chemicals and abrasives. They are EFFECTIVE - they actually work. They are EASY TO USE - with simple, easy-to-follow directions. And they SAVE TIME AND MONEY - by protecting the surfaces in your home so they stay cleaner and last longer.

Our water-based, safer-to-use, and easier-cleanup products are designed to repel water and salts from concrete surfaces, extending the lifespan of your concrete by reducing cracking. They are low-odor, non-flammable waterproofing sprays that seal out weather, repel water, prevent cracks, and fight salt. These commercial-grade, impregnating sealers are engineered to reduce water and moisture intrusion while protecting concrete or masonry substrates from chlorides and deicing salts.

Our products can SEAL AND PROTECT other hard surfaces, including cement, grout, stucco, split-faced block, brick, pavers, and natural stone surfaces, from the damaging effects of water penetration, snow, ice, salt, rain, salt water, or water from a pool. They can EXTEND THE LIFESPAN of your concrete by reducing cracks, spalling, and efflorescence, keeping your concrete looking new and making it easy to clean.

These LONG-LASTING PROTECTION products can last up to 10 years on some applications, but we recommend re-applying between 5-7 years to ensure the best results. Our commitment to quality and safety is a testament to American craftsmanship, as every bottle of our products is proudly made in San Clemente, CA, with homegrown quality assurance, from our family to yours.

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