Concrete Construction Chemicals

Seal Hard


SEAL HARD is a concrete densifier that increases the strength of the wear surface of concrete floors subjected to pedestrian and vehicle traffic.

Learn More About L&M™ SEAL HARD®

Improve the long-term durability, performance, and appearance of concrete surfaces with our complete line of L&M™ protection and repair solutions. Curing and sealing compounds, form treatments, polished concrete, concrete dyes, structural grouts, hardeners and toppings, patch and repair products as well as cleaners, repellents and sealer products work together to ensure your concrete floor is safe, resilient, and easy to maintain.