Ultra-flexible, 2-component, polymer-modified, waterproofing cement-based slurry. Ideal for waterproofing of surfaces formed by concrete, render, gypsum board, masonry, cement blocks, metal, etc., that show or are expected to show hairline cracks due to expansion-contraction or vibration, such as flat roofs, balconies, swimming pools, above ground tanks, inverted roofs, etc.