Nervia A456 is a water-based ready-mixed, modified-acrylic EVA rubber-material designed to provide a dense, waterproof barrier for vertical and horizontal concrete and masonry surfaces. This versatile coating has super adhesion qualities when applied to deck, basement, toilet, kitchen, retaining wall, brick, cinder and concrete block, plaster, masonry and stucco. It resists weathering, peeling, delimitation and UV (Ultraviolet rays).