Aqua-Bloc 2P Internal Setting Liquid Membrane and Insulation Adhesive is a two-part, 100% solids, self-leveling liquid membrane designed to repair, level and waterproof rough and uneven concrete surfaces. Aqua-Bloc 2P cures to a smooth, rubber-like membrane and can act as a stand-alone waterproofing membrane, a leveling coat for Blueskin WP200, or a leveling coat for Duratac self-adhering membrane products.