{"product_id":"zinsser-cover-stain-white-oil-based-alkyd-primer-and-sealer-1-gal","title":"Zinsser Cover Stain White Oil-Based Alkyd Primer and Sealer 1 gal","description":"\u003cdiv\u003eZinsser Cover Stain White Oil-Based Alkyd Primer and Sealer 1 gal is a high-performance solution designed to tackle stains at the source while creating a durable, uniform base for your finish coats. This 1-gallon white primer combines stain blocking with sealing power, so you get a cleaner, smoother topcoat that looks professional from day one. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOil-based alkyd primer and sealer\u003c\/strong\u003e for exceptional adhesion on a wide range of surfaces, cutting through trouble spots before you paint.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStain blocking\u003c\/strong\u003e capability helps prevent bleed-through from knots, tannins, and other residues, delivering a cleaner final finish.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTintable white base\u003c\/strong\u003e with the option to tint, giving you flexibility to match or create the perfect undertone for your project.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor and outdoor use\u003c\/strong\u003e with versatile coverage on all surfaces, making it a go-to choice for remodeling, repairs, and new construction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoverage up to 400 sq ft per gallon\u003c\/strong\u003e—great for larger rooms, exterior siding, and multiple projects without constant reloading.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-hour recoat time\u003c\/strong\u003e so you can move quickly from primer to topcoat, speeding up your project timeline.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFull cure in about 7 days\u003c\/strong\u003e for long-lasting durability and a solid base for subsequent paint layers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVOC level around 350\u003c\/strong\u003e reflects a balance between performance and regulatory considerations for various job sites.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClean up with paint thinner\u003c\/strong\u003e—convenient if you’re working with traditional solvent-based tools and workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAll surfaces recommended\u003c\/strong\u003e with white color, ready to become the foundational layer under your chosen finish.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho is this primer for? It’s ideal for homeowners and professionals tackling projects where stain resistance and reliable sealing matter most—wood trim with potential knot bleed, drywall and plaster repairs, metal surfaces, or exterior substrates that demand a tough, even base. If you’re repainting a space prone to staining or tannin migration, this primer helps ensure your topcoat looks true-to-tone and remains uniform over time.\u003c\/p\u003e \u003cp\u003eHow it makes a difference in practice:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOn interior renovations, apply Zinsser Cover Stain to create a stable, uniform surface before color coats, reducing the risk of uneven sheen and blotchiness.\u003c\/li\u003e \u003cli\u003eFor exterior refreshes, use this primer to seal porous substrates and improve topcoat adhesion, extending the life of your finish in outdoor conditions.\u003c\/li\u003e \u003cli\u003eIn busy spaces, the 2-hour recoat window allows you to proceed with minimal downtime, while the 7-day full cure gives you confidence in long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for best results:\u003c\/p\u003e \u003col\u003e \u003cli\u003eStir thoroughly and apply a thin, even coat to avoid runs or sags, especially on vertical surfaces.\u003c\/li\u003e \u003cli\u003eEnsure surfaces are clean, dry, and sound before priming for optimal adhesion and stain-blocking performance.\u003c\/li\u003e \u003cli\u003eAfter the primer dries, follow with your preferred topcoat according to the project’s needs and application guidelines.\u003c\/li\u003e \u003cli\u003eDispose of any waste solvent according to local regulations when cleaning brushes and rollers.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eWith Zinsser Cover Stain White, you’re choosing a proven foundation that tackles stains, provides robust sealing, and creates a dependable canvas for your finish coats. One gallon delivers reliable coverage, easy recoat timing, and the confidence that comes from a primer trusted by professionals for decades.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsser","offers":[{"title":"Default Title","offer_id":52185005818130,"sku":"1214592","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/1214592_A.eps_High.jpg?v=1775766905","url":"https:\/\/nationalhardwaregroup.com\/products\/zinsser-cover-stain-white-oil-based-alkyd-primer-and-sealer-1-gal","provider":"National Hardware Group","version":"1.0","type":"link"}