A ready-to-use two coat application No Hydro Liquid Applied Damp Proof Membrane DPM is used in the construction industry as a perfect solution for the treatment of damp floors. No Hydro Liquid Applied Damp Proof Membrane DPM is a SBR Latex-based liquid. No Hydro Liquid Applied Damp Proof Membrane DPM, with its strong bond acts as a effective gas barrier against methane and carbon dioxide gases.