Zinsser Cover Stain® Primer Sealer Stain Block Stop Killer Multi-Surface 500ml


  • Interior and exterior
  • Sticks to all surfaces without sanding
  • Seals water, smoke and nicotine stains
  • Our best exterior wood sealer
  • Blocks cedar and redwood bleed
  • Touch dry in 35 minutes
  • Recoatable in 2 hours
  • Approx. coverage: 9.8m2 per Litre
  • Touch dry: 35 minutes
  • Hard dry: 4 – 7 days
  • Recoatable: 2 hours

Cover Stain® is the only interior / exterior primer, sealer, stain sealer and bond coat that dries for recoat in only two hours.

On interior surfaces, Cover Stain® 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.

On exterior surfaces, Cover Stain® has a unique formulation that delivers full penetration and flexibility on all surfaces, especially dimensionally unstable wood paneling and trim, where few oil-based primers can succeed. Cover Stain® resists cracking and peeling and is compatible with all decorative top coats.
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