Prestige Keying Additive is a latex based liquid, specially formulated to be used in conjunction with Prestige Keying Compound where complicated application, high traffic areas, or permanently wet conditions exist, or where additional flexibility and increased bond strength is required. Prestige Keying Additive is also a primer for the sealing and stabilising of friable and chalking surfaces, both interior and exterior, prior to tiling or coating. Increasing durability and strength in concrete and mortars.

available in 1 and 5l