{"product_id":"evercoat-super-build-4-1-polyester-primer-surfacer-128-oz-for-aluminum-fiberglass-more","title":"Evercoat Super Build 4:1 Polyester Primer Surfacer – 128 oz for Aluminum, Fiberglass \u0026 More","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eEvercoat Super Build 4:1 Polyester Primer Surfacer arrives in a generous 128 oz container, engineered to create a solid, level base before finishing coats. The system leverages a patented four-to-one mix ratio to deliver strong fill and a smooth surface that’s ready for topcoats. Designed for automotive work, it combines practical performance with shop-friendly handling, helping you move efficiently from rough prep to a refined finish.\u003c\/p\u003e\n\u003cp\u003eWhether you’re prepping aluminum panels, fiberglass parts, or SMC components, this primer surfacer adapts to different substrates while maintaining good flow and even coverage. It’s formulated to be sandable with common grits, which can shorten sanding cycles and reduce material waste, all while staying compliant with VOC guidelines and compatibility with waterborne paints.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented 4:1 mix ratio for predictable build and filling capability\u003c\/li\u003e\n  \u003cli\u003eStrong leveling and fill that helps create a smooth base for subsequent coats\u003c\/li\u003e\n  \u003cli\u003eEasy sanding using 180, 220, or 320 grit depending on substrate\u003c\/li\u003e\n  \u003cli\u003eVersatile on aluminum, fiberglass, SMC, and other common automotive surfaces\u003c\/li\u003e\n  \u003cli\u003eVOC-compliant and compatible with waterborne topcoats for safer shop environments\u003c\/li\u003e\n  \u003cli\u003eDesigned to support automotive body repair workflows alongside putty and body filler products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eRepair shops and DIYers can apply this primer to aluminum body panels, fiberglass hoods, and reinforced composites, then build up a resilient base that sands evenly. The 4:1 ratio helps establish a solid foundation without excessive passes, while the sanding options ensure you can tailor the finish to your project’s needs.\u003c\/p\u003e\n\u003ch3\u003eHow to use effectively\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrepare the surface thoroughly (clean, dry, and free of contaminants).\u003c\/li\u003e\n  \u003cli\u003eFollow the 4:1 mix ratio as indicated on the product label for the base and activator parts.\u003c\/li\u003e\n  \u003cli\u003eApply in thin, even coats and allow appropriate cure time between layers.\u003c\/li\u003e\n  \u003cli\u003eSand with the recommended grits (180–320) based on the surface and desired finish.\u003c\/li\u003e\n  \u003cli\u003eFinish with compatible topcoats, ensuring compatibility with waterborne formulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes on safety and compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVOC-compliant formulation supports safer shop practices.\u003c\/li\u003e\n  \u003cli\u003eDesigned to integrate with common automotive fillers and putties for a complete repair workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn practice, this primer surfacer is a practical option when you need a reliable base that balances build, sandability, and cross-substrate versatility. It offers a pathway to consistent prep results without overcomplicating the process, leaving you with a solid foundation for your finish coats.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What substrates is Evercoat Super Build 4:1 Primer Surfacer suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for aluminum, fiberglass, SMC, and other common automotive substrates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the benefit of the 4:1 mix ratio?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The patented ratio supports a consistent, fill-ready base with efficient sanding and coverage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Evercoat","offers":[{"title":"Default Title","offer_id":42395173814357,"sku":"B004IQ96DO","price":205.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/evercoat-super-build-4to1-primer-surfacer-aluminum.jpg?v=1775931016","url":"https:\/\/plentytorque.co.uk\/products\/evercoat-super-build-4-1-polyester-primer-surfacer-128-oz-for-aluminum-fiberglass-more","provider":"PlentyTorque","version":"1.0","type":"link"}