Zinsser Cover Stain Oil-Based Primer (1 qt.)

Zinsser Cover Stain Oil-Based Primer is a professional-grade, alkyd primer-sealer designed for both interior and exterior use. Its high-hiding, fast-drying formula blocks the toughest stains—water damage, smoke, nicotine and tannin bleed—while providing exceptional adhesion to wood, metal, drywall and glossy surfaces. Ideal for new construction or renovation projects, this versatile primer creates a flawless base for topcoats and helps ensure long-lasting, uniform finishes.

Compatible with a wide range of paints and easily tinted to match your palette, Zinsser Cover Stain minimizes prep work by eliminating the need for extensive sanding or deglossing. Clean-up is simple with mineral spirits or paint thinner, making it the go-to choice for homeowners and professionals seeking reliable stain-blocking performance.

Key Features

• Oil-based alkyd formula for superior stain blocking and sealing
• Fast drying: touch-dry in 1 hour; ready for topcoat in as little as 2 hours
• Excellent adhesion on wood, metal, drywall and previously painted surfaces
• Blocks tough stains from water, smoke, nicotine and tannins (cedar/redwood)
• Suitable for both interior and exterior applications
• Tintable to match any color scheme
• Cleans up easily with mineral spirits or paint thinner

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.