The zinsser b-i-n aqua delivers professional-grade performance as a water-based primer, sealer, stain killer and odour blocker for comprehensive surface preparation. Its high hiding formulation provides exceptional adhesion without sanding, engineered for both interior and exterior applications. B-i-n aqua effectively blocks stubborn stains from nicotine, smoke, water, grease, mildew, tannin, crayon and lipstick while creating an outstanding barrier against odours from fire damage, smoke and mildew. The advanced formula expertly seals knots and sap streaks. This primer penetrates and seals porous surfaces including wood, new cured plaster, stucco and drywall, while also priming glossy enamel paint, glass, mdf, ceramic tile and non-ferrous metal without de-glossing. Fast-drying formulation recoats in 45 minutes with simple soap and water cleanup. Features & benefits: ultimate performance water-based primer-sealer for interior and exterior surface preparation. Exceptional adhesion to most surfaces without sanding or de-glossing required. Effectively blocks odours and stubborn stains from nicotine, smoke, water, grease, mildew, tannin, crayon and lipstick. Seals knots and sap streaks while penetrating porous surfaces including wood, plaster, stucco and drywall. Dries in 25 minutes with recoat time of just 45 minutes for rapid project completion. Contains only trace elements of vocs