Drybase Liquid Damp Proof Membrane | Damp Proofing Paint for Internal Walls and
Waterproof Paint (Black, 1 Litre) (Black, 1 Liter). Item model number Drybase DPM. Drybase Liquid-Applied DPM is a single-component two-coat paintable damp-proof coating that is easily applied to substrates by brush, roller, or spray.