On interior surfaces, Zinsser Cover Stain Primer dries quickly and has great hiding power providing outstanding stain killing and enamel undercoating performance. Stains of all kinds are permanently sealed so topcoats are blemish free. Cover Stain is especially effective on nicotine and water stains. New wood trim can be primed, sanded and topcoated the same day, saving time and money. Interior and exterior use Sticks to all surfaces without sanding. Seals water, smoke and nicotine stains. Blocks cedar and redwood bleed. Touch dry in 35 minutes. Recoatable in 2 hours. Tintable to mid tone colours.