BLACK JACK DPM is a ready to use, odourless, rubber enriched bitumen emulsion which provides a highly effective sandwich damp-proof membrane for floors. Also acts as a waterproofer for walls, above ground structures and foundations. May be used internally or externally. BLACK JACK DPM is also suitable for use as an adhesive for wood block, mosaic panels, insulation boards, expanded polystyrene, cork and as a plaster bonding agent, even on difficult surfaces