DUROFLEX™ 1K is a one-component, flexible, fibre reinforced waterproof membrane. DUROFLEX™ 1K is a specially formulated cementitious base incorporating graded aggregates and polymers, producing a highly flexible waterproof membrane – capable of withstanding significant flexural strain. DUROFLEX™ 1K is suitable for both positive and negative hydrostatic pressure – up to 25 metre head of water pressure (250 kPa).

