Description
ALKA 211 is a high-performance, solvent-based polyurethane topcoat formulated to deliver long-lasting protection and enhanced durability for concrete floor coatings and waterproofing membranes. Supplied in 10L / 10kg packs with a crystal-clear transparent finish, it offers excellent UV stability, chemical resistance, and mechanical strength for both interior and exterior applications.
Suitable for decorative flake systems, epoxy self-levelling floors, metallic flooring, liquid marble finishes, and decorative concrete surfaces, ALKA 211 creates a tough, trafficable protective layer that helps maintain appearance while protecting against wear and environmental exposure. Its low-viscosity formula ensures easy application by brush, roller, spray, or squeegee, while its high-solids composition provides excellent coverage and durability.
With touch-dry performance in approximately 12 hours, recoating within 12–36 hours, and full cure in 7 days, ALKA 211 is an ideal finishing coat for projects requiring superior clarity, UV resistance, and long-term surface protection.


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