A cold applied, self-supporting mastic specially recommended for duct sealing and around pipes and cables where they enter buildings to prevent the passage of water or gas. It is used for moulding around irregular profiles such as flanges, mechanical joints and valves to provide a contour suitable for wrapping with anticorrosion tapes, eg. Denso Tape, Densopol and Densoclad. VOC free Suitable for service up to +90°C Easy to apply Suitable for use in a wide range of climates. Available as Round strips, Triangular strips & 3kg blocks