Zinsser Cover Stain® is a professional-grade oil-based primer, sealer and stain blocker designed for both interior and exterior use. Renowned for its exceptional adhesion and stain-blocking performance, it effectively seals water, smoke, nicotine and tannin stains while providing the perfect base for topcoats.
Ideal for wood, plaster, drywall, masonry, metal and previously painted surfaces, Cover Stain® sticks to glossy surfaces without sanding and helps prevent tannin bleed on cedar and redwood. Its fast-drying formula allows for quick project turnaround while delivering a durable, high-hiding finish.
Key Features:
- High-performance oil-based primer, sealer and stain blocker
- Suitable for interior and exterior use
- Excellent stain blocking for water, smoke and nicotine stains
- Prevents tannin bleed on cedar and redwood
- Adheres to glossy surfaces without sanding
- Outstanding adhesion and sealing properties
- Fast drying and recoatable in as little as 1-2 hours
- Compatible with oil-based and water-based topcoats