Zinsser 3550 Cover-stain Oil-base Primer And Sealer, White, 5 Gallon

Zinsser Cover-Stain is a high-hiding oil-based primer and sealer formulated for both interior and exterior surfaces. This versatile product blocks stains while providing exceptional hiding power for dark colors and tough stains. The oil-based formula bonds directly to glossy surfaces, seals porous materials, and prevents tannin bleed from cedar and redwood, making it ideal for preparation before painting.

Whether you're refreshing interior rooms or protecting exterior facades, Cover-Stain delivers professional-quality results on a wide range of substrates. Its superior adhesion eliminates the need for sanding in most applications, accelerating your project timeline. With a VOC level of 350, this lower-VOC primer maintains high performance while supporting responsible use.

Features and Benefits

• High Hiding Power: Premium coverage ensures dark colors and stains are effectively concealed for a clean finish.
• Stain Blocking: Blocks water, smoke, fire, nicotine, and tannin bleed-through, preventing discoloration on the topcoat.
• Oil-Based Adhesion: Bonds to glossy surfaces and seals porous materials without requiring surface sanding.
• Interior/Exterior Use: Reliable performance on both inside and outside surfaces, making it a versatile choice for whole-house projects.
• Tintable: Can be tinted to match your desired color for added flexibility in design.

Specifications

• Brand: Zinsser
• Model: 3550
• Color: White
• Size: 5 Gallon
• Base: Oil-based
• VOC Level: 350

Cleanup

• Easy Maintenance: Clean brushes and equipment with mineral spirits or paint thinner for hassle-free after-project cleanup.