{"product_id":"karnak-404-corrosion-proof-base-coat-light-gray-5-gal-kar4045","title":"Karnak 404 Corrosion Proof Base Coat Light Gray 5 gal","description":"\u003cp\u003eThe Karnak 404 Corrosion Proof Base Coat Light Gray 5 gal is a specialty cleaners \u0026amp; primers for jobs that require Karnak model\/MPN 404-5 in the 5G sell unit. 404 Corrosion Proof base coat is a self–priming, modified acrylic, coating that can encapsulate existing rust on properly prepared metal and inhibits the development of new rust on metal surfaces.\u003c\/p\u003e\u003ch3\u003eKey Specs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Karnak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ MPN:\u003c\/strong\u003e 404-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e KAR4045\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSell unit:\u003c\/strong\u003e 5G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Specialty Cleaners \u0026amp; Primers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize \/ color:\u003c\/strong\u003e 5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Commercial Roofing | Commercial Roofing\/Cleaners \u0026amp; Primers | Commercial Roofing\/Cleaners \u0026amp; Primers\/Specialty Cleaners \u0026amp; Primers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage \/ unit:\u003c\/strong\u003e 5 gal per listed unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e404 Corrosion Proof is recommended for use as an elastomeric coating applied to both clean and properly prepared but marginally rusty steel, and imparts excellent corrosion resistance, adhesion, and low temperature flexibility.\u003c\/li\u003e\n\u003cli\u003eApply with a 3\/4\" – 1-1\/4” nap roller or soft roof brush.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCoverage \u0026amp; How Much You Need\u003c\/h3\u003e\u003cp\u003eThis item is listed as 5 gal per listed unit. Use the project takeoff, manufacturer installation instructions, and expected waste\/overlap to confirm the order quantity.\u003c\/p\u003e\u003ch3\u003eCompatibility \/ Fitment\u003c\/h3\u003e\u003cp\u003eUse this item only when the brand, model\/MPN, size\/color, sell unit, and system type match the project specification. Do not substitute it for a different specialty cleaners \u0026amp; primers, pack size, color, membrane\/system family, or installation condition without checking the manufacturer instructions.\u003c\/p\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch4\u003eWhat exactly am I ordering?\u003c\/h4\u003e\u003cp\u003eKarnak 404 Corrosion Proof Base Coat Light Gray 5 gal, sold as 5G, with SKU KAR4045 and manufacturer model\/MPN 404-5.\u003c\/p\u003e\u003ch4\u003eWhat model or part number should I match?\u003c\/h4\u003e\u003cp\u003eMatch model\/MPN 404-5 and confirm the brand is Karnak. If the job spec lists a different model, size, color, or system family, hold for review.\u003c\/p\u003e\u003ch4\u003eWhat unit is the price based on?\u003c\/h4\u003e\u003cp\u003eThis listing is built around the 5G sell unit. Confirm the unit before comparing price, quantity, or coverage.\u003c\/p\u003e\u003ch4\u003eHow do I estimate quantity?\u003c\/h4\u003e\u003cp\u003eUse 5 gal per listed unit, then add waste or overlap per the manufacturer instructions and the project design.\u003c\/p\u003e\u003ch4\u003eWhat should be checked before purchase?\u003c\/h4\u003e\u003cp\u003eConfirm the model\/MPN, sell unit, size\/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRoofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eProduct Expert Notes\u003c\/h3\u003e\u003cp\u003eChoose this item when Karnak model\/MPN 404-5, SKU KAR4045, and the 5G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.\u003c\/p\u003e","brand":"Karnak","offers":[{"title":"Default Title","offer_id":53113850167663,"sku":"KAR4045","price":191.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/KAR4045_0.png?v=1781510558","url":"https:\/\/superarbor.io\/products\/karnak-404-corrosion-proof-base-coat-light-gray-5-gal-kar4045","provider":"Super Arbor","version":"1.0","type":"link"}