DESCRIPTION CP-581 is a high performance acrylic emulsion additive for cement and sand mixes for waterproofing purposes. Be proud of its own softness, elasticity and easy to apply. USAGE Masonry, concrete, cement, balcony , and various porous materials. APPLICATION â?? Recommended Mixing Ratio is CP-581 : Aggregate = 1 : 1 ~ 2 ( By Weight ) â?? Primer: CA-002W or CA-107 SBR â?? Coating: Any water-based coating. If solvent-based paint is applied, please test before using.