Where to use: Anchoring primer and initial levelling coat on new or existing substrates to make them suitable for PIANOCEM levelling compounds. Primer and first levelling coat on new cast concrete flooring, cement screeds, anhydrite screeds, asphalt screeds, chipboard. It provides adhesion to old well anchored adhesives and on substrates with the presence of light residual moisture. It should only be used internally and can be applied in coats with a thickness from 0 to 3 mm per each coat.