Zinsser B-I-N is the ultimate shellac-based primer, sealer and stain killer. It adheres to almost any surface, including interior ceilings, walls, doors, trims, PVC, wood, glass and tiles, without sanding and permanently blocks odours and stains such as nicotine and oil stains. Dries in minutes. It is perfect for use on interior surfaces seals porous surfaces and weeping knots. When dry, it is non-toxic and hypo-allergenic. Available online, from PAINT Direct, with next day delivery.