Zinsser Cover Stain Aerosol Spray 400mlZinsser Cover Stain is an interior exterior primer, sealer, stain sealer and bond coat that dries for recoat in just two hours. On interior surfaces, Cover Stain dries quickly and has great hiding power providing outstanding stain killing and undercoating performance. Stains of all kinds are permanently sealed so top coats are blemish free. Cover Stain is especially effective on nicotine and water stains. New wood trim can be primed, sanded and top