Concrete Sealer: Complete Buying Guide 2026
Concrete sealer protects porous concrete surfaces from water penetration, salt damage, staining, and freeze-thaw spalling. Penetrating sealers soak into the concrete without changing its appearance, while acrylic sealers add a glossy or matte sheen. In 2026, concrete sealer prices average $0.25 per sq ft, with a typical range of $0.12 to $0.50 depending on your region, supplier relationships, and order quantity.
When budgeting for a project using concrete sealer, factor in approximately 10% additional material for waste, plus labor costs averaging $0.30 per sq ft for professional installation. A typical project using this material runs approximately $800 including both materials and labor.
With an expected lifespan of 5 years, concrete sealer represents a cost of approximately $0.05 per sq ft per year of service life. While the initial cost is competitive, budget for eventual replacement or refinishing.