PlastiKote Trade Damp Seal Spray Paint is a fast-drying insulating primer for internal and external use, based on acrylate resin, with excellent insulating properties against many types of stains (such as water stains) on mineral surfaces (plaster etc.), wood and concrete. Can be overcoated with all dispersion varnishes and alkyd and water-based acrylic varnishes, not with 2-part lacquers. Trade Functional Sprays are ideal for every professional builder, tradesman or painter/decorator. Specification: Coverage: 1-1.5msup2;Dust Dry: 10 minutesRecoatable: after 30 minutes