Dulux Avista 2 Pack Urethane is a 2 part high gloss concrete sealer which will provide a hard wearing non yellowing coating for both interior and exterior concrete surfaces. Suitable for use on most concrete surfaces, including resurfacing systems, flake and epoxy flooring and polished or ground concrete, including polished concrete bench tops. It can be used as a hardwearing clear coat or tinted using the Dulux Avista Sealer Tints.