Zinsser Cover Stain Primer Sealer, 500ml

Zinsser Cover Stain Primer Sealer is a high-performance interior and exterior primer, sealer, stain sealer, and bond coat designed for fast drying and superior adhesion. It dries for recoat in just two hours, making it efficient for both DIY enthusiasts and professionals.

For interior surfaces, this primer offers excellent stain-blocking power, effectively sealing nicotine, water stains, and other blemishes to ensure flawless topcoats. It also works as an exceptional undercoat for enamel paints, allowing new wood trim to be primed, sanded, and painted on the same day.

On exterior surfaces, Zinsser Cover Stain’s unique formulation ensures deep penetration and flexibility, even on unstable wood panelling and trim where traditional oil-based primers may fail. It resists cracking and peeling, maintaining durability under harsh weather conditions, and is compatible with all decorative top coats.

Available in white, it can also be tinted to mid-tone colours for custom finishes. Application is versatile—apply via airless sprayer, brush, pad, or roller for professional results.

Key Features:

• Fast-drying (recoat in just 2 hours)
• Blocks stubborn stains like nicotine and water damage
• Suitable for interior & exterior use
• Can be tinted to mid-tone colours
• Highly flexible and crack-resistant on unstable surfaces

Application Details:

• Coverage: 9.8m² per litre
• Touch dry: 35 minutes
• Hard dry: 4-7 days
• Recoatable after: 2 hours