Premium , high-performance, universal, polymer-modified, thin-set mortar. Pro P-151 is formulated for strong adhesion to all conventional and non-conventional support surfaces (ex.: existing artificial vinyl tile coating, existing vinyl asbestos, existing ceramic tile, black asphalt emulsion residue. For interior and exterior installation in institutional, commercial, and residential floor and wall applications. Sets ceramic and porcelain tiles, mosaics, pavers, and quarry tiles. Mixes with water.