Zinsser BIN Primer and Sealer 1L
This primer and sealer helps to seal surface pores in preparation for painting. Its unique shellac formula is ideal for use on stained ceilings, stains from smoke, water, grease and much more. It seals knots and sap streaks making it great for under or over any topcoat. The sealer has the ability to stick to glass, metal, tile and other glossy surfaces as well as blocking odours permanently.