{"product_id":"zinsser-cover-stain-white-primer-and-sealer-5-gal","title":"Zinsser Cover Stain White Primer and Sealer 5 gal","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing Zinsser Cover Stain White Primer and Sealer, a dependable foundation for any painting project that demands serious stain blocking and a consistent topcoat. This 5-gallon white primer and sealer is designed to seize control of surface imperfections before you apply your finish coat, helping you achieve a smooth, uniform result from edge to edge.\u003c\/p\u003e \u003ch2\u003eWhy this primer stands out\u003c\/h2\u003e\n\u003cp\u003eCover Stain is formulated to address tough staining and porosity in a single, practical layer. Its white base is tintable, so you can tailor the undercoat to match or slightly underlay your chosen topcoat, reducing the number of coats needed and improving color fidelity. The result is fewer topcoat applications and a more even, long-lasting finish.\u003c\/p\u003e \u003ch3\u003eKey features at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5-gallon container for larger projects or multiple rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Approximately 2,000–2,500 sq ft per container, depending on surface porosity and texture.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStain blocking:\u003c\/strong\u003e Yes — designed to seal in surface imperfections before painting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTintable:\u003c\/strong\u003e White base that accepts tinting for a coordinated topcoat look.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication window:\u003c\/strong\u003e Recoat after about 1 hour for faster project timelines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFull cure:\u003c\/strong\u003e Typically reaches full strength in about 7 days.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor\/Outdoor:\u003c\/strong\u003e Suitable for both interior and exterior surfaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCleanup:\u003c\/strong\u003e Clean up with paint thinner.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended surface:\u003c\/strong\u003e All surfaces — versatile enough for wood, drywall, plaster, masonry, and more.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKnots and tannin-prone wood: Apply Cover Stain to block resin bleed before repainting or priming with a topcoat.\u003c\/li\u003e \u003cli\u003eWater and smoke-stained walls: Create a uniform base that prevents bleed-through and ensures a true color on the final coat.\u003c\/li\u003e \u003cli\u003eNew drywall or plaster: Form a solid base that improves topcoat adhesion and reduces the need for multiple coats.\u003c\/li\u003e \u003cli\u003eExterior wood or masonry surfaces: Provide a stable undercoat that resists moisture intrusion and supports long-lasting paint jobs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to use for best results\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003ePrepare the surface: Clean, dry, and free of peeling paint, dirt, and oil.\u003c\/li\u003e \u003cli\u003eStir thoroughly to blend tintable base with colorant if you’ve chosen a tinted option.\u003c\/li\u003e \u003cli\u003eApply a uniform coat using a brush or roller, avoiding heavy runs or sags.\u003c\/li\u003e \u003cli\u003eLet the first coat dry to the touch, then recoat after about 1 hour for best results.\u003c\/li\u003e \u003cli\u003eOnce fully cured, topcoat with your chosen paint for even color and lasting protection.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch3\u003eWho benefits most from Zinsser Cover Stain\u003c\/h3\u003e\n\u003cp\u003eHomeowners tackling renovation projects, DIY enthusiasts refreshing interiors, and professionals priming exterior surfaces will appreciate the reliable stain-blocking performance and the convenience of a tintable, all-surfaces primer and sealer. If you’ve faced repeated bleed-through, uneven topcoats, or long-standing stains from past work, this primer is engineered to give you a dependable, prep-ready foundation.\u003c\/p\u003e \u003cp\u003eReady to set the stage for trustworthy color and lasting coverage? Add Zinsser Cover Stain White Primer and Sealer (5 gal) to your cart and start your project with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsser","offers":[{"title":"Default Title","offer_id":52218368262418,"sku":"1097666","price":184.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/1097666_A.eps_High.jpg?v=1777077188","url":"https:\/\/nationalhardwaregroup.com\/products\/zinsser-cover-stain-white-primer-and-sealer-5-gal","provider":"National Hardware Group","version":"1.0","type":"link"}