10 Best Water Based Concrete Sealers 2026 in the United States

The Liquid Rubber Basement and Foundation Repair Sealant is designed primarily for waterproofing and crack filling in concrete structures. One of its standout features is its flexibility, boasting a 900% elongation which helps prevent future cracks and damage. This makes it highly durable for both indoor and outdoor use.

Its tackiness once cured means it's more suited for walls and foundations rather than floors. The product's water-based formula is safe for indoor use and emits zero VOCs, which is beneficial for health and environmental safety. The application is straightforward, requiring no mixing and can be done with a brush, roller, or sprayer.

It also offers versatility by adhering well to various materials such as concrete, masonry, wood, and metal. In terms of coverage, it's efficient though it requires multiple coats for optimal results, which can be seen as a drawback in terms of time and effort required for application. It excels in providing a watertight seal when used with Liquid Rubber Geo-Textile on joints and transitions.

The Armor AR350 Low Gloss Wet Look Concrete Sealer is a professional-grade product designed to protect and enhance exterior concrete and pavers. One of its standout features is the dramatic color enhancement it provides, making surfaces look as they do when wet. This sealer offers long-lasting protection against surface abrasion, UV rays, water absorption, and harsh weather, making it highly durable. It is suitable for various applications including driveways, patios, walkways, and pool decks.

The product's low gloss finish adds a subtle sheen without being overly shiny, which many users might appreciate. The sealer is ready to use and can be applied with a roller or sprayer, making the application process straightforward. It covers up to 175-225 square feet per gallon, which is efficient for large areas. Additionally, it is easy to maintain and only requires a single coat for resealing, simplifying upkeep.

However, being solvent-based, it may not be as breathable as water-based alternatives, potentially trapping moisture if not applied correctly. The drying time is not specified but is generally quick for solvent-based sealers. The product is available in different VOC formulations to comply with regulations in all 50 states, which is a plus for versatility but means users need to choose the appropriate version for their state. While its performance and ease of use are impressive, the 42-pound weight and solvent-based nature might be considerations for some users.

The Concrete Countertop Water Based Sealer by GlobMarble is designed for architectural concrete surfaces, offering both a curing compound and a long-lasting sealer. It boasts a matte finish, making it suitable for those seeking a non-glossy appearance. One of its standout features is its durability; it forms a semi-gloss, non-yellowing barrier that effectively resists moisture, oil, and most stains. Additionally, it can withstand high temperatures up to 300°F, which is beneficial for kitchen countertops exposed to heat from cooking appliances.

Its application method is relatively straightforward, requiring a mixing ratio of 3 parts 'A' to 2 parts 'B,' and it provides extensive coverage (approximately 100 ft² per quart). The product dries quickly, transitioning from a milky liquid to a clear finish, enhancing its ease of use. This sealer is an excellent choice for homeowners looking to protect their concrete countertops, particularly in kitchens, due to its food-safe properties and heat resistance.