Urethane and Polyaspartic Sealers A Dynamic Systems Approach to Waterproofing & Repair MCU Moisture Cure Urethane with Exhibiting excellent UV-stability, abrasion and wear resistance Mirathane CRU (Gloss/Matte) is a two-component, medium-solids, water-based, low VOC, low odor, highly abrasion resistant and high performance aliphatic polyurethane coating Glazetop A high solids, UV stable polyaspartic coating.