{"product_id":"speedokote-super-fill-ss-2790-high-build-primer-fast-dry","title":"Speedokote Super Fill SS-2790 High Build Primer - Fast Dry","description":"\u003cp\u003eIn this review the Speedokote SS-2790G\/SS-2790A Super Fill High Build Primer is evaluated for bodyshops and serious DIYers who need a fast, easy-to-sand 2K urethane primer with real filling power. The bottom line: it is best for users who want a high build, true 2K primer that sands well and holds color and gloss for subsequent topcoats. The kit's easy 4:1 mix and fast dry time make prep work more efficient, while the medium gray base helps reveal low spots during block sanding.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh build and fill:\u003c\/strong\u003e The primer lays down thick coats that fill minor imperfections and blend feathered edges to reduce block sanding time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue 2K urethane:\u003c\/strong\u003e As a two-component system it provides durable adhesion and a solid foundation for urethane topcoats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy 4:1 mix:\u003c\/strong\u003e The simple mixing ratio saves time and reduces measuring errors on the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast dry and sands great:\u003c\/strong\u003e Quick drying means you can scuff and sand sooner, improving workflow in busy shops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium gray color:\u003c\/strong\u003e The gray base balances hiding and contrast so low spots are visible without over-darkening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreat adhesion:\u003c\/strong\u003e Designed to bond well to typical automotive substrates and previous sealers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eSpeedokote SS-2790 is geared toward collision repair technicians, professional painters and advanced DIYers who need a high-build primer that sands smoothly and supports quick turnaround. The product suits projects where filling 80 grit scratches and feathered panels is common and a robust urethane foundation is desired.\u003c\/p\u003e\n\n\u003cp\u003eUsers who want a very thin guide coat or who prefer a sprayable single-stage primer for cosmetic-only work might look elsewhere; this kit is tailored to those who will take advantage of its true 2K chemistry, higher build and sanding characteristics.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh build formula reduces multiple wet coats and saves time when filling low areas.\u003c\/li\u003e\n\u003cli\u003eEasy 4:1 mixing and fast dry speed streamlines prep in busy shops.\u003c\/li\u003e\n\u003cli\u003eSands easily to a smooth surface and holds color and gloss for consistent topcoat results.\u003c\/li\u003e\n\u003cli\u003eWorks well with common spray setups, including 1.8 mm tips, for uniform application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThickness can be perceived as very thick by some users, which may require slight thinning or adjusted spray technique.\u003c\/li\u003e\n\u003cli\u003eNot intended as a single-stage finish; requires proper topcoat for final color and gloss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eSS-2790G\/SS-2790A Super Fill High Build Primer gallon kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSpeedokote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMix ratio\u003c\/td\u003e\n\u003ctd\u003eEasy 4:1 mix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eTrue 2K urethane primer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eMedium gray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey properties\u003c\/td\u003e\n\u003ctd\u003eSuper high build, fast dry, sands great, great adhesion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Speedokote SS-2790 Super Fill primer is a solid choice for professionals and competent DIYers who need a fast-drying, high-build 2K urethane that sands well and fills imperfections. Its easy 4:1 mix, strong adhesion and medium gray base make it good value where speed and finish quality matter most.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a true 2K primer?\u003c\/strong\u003e\u003cbr\u003eYes. The SS-2790 is a true 2K urethane primer requiring a hardener for proper cure and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the sanding performance?\u003c\/strong\u003e\u003cbr\u003eCustomers report it sands very well and can fill 80 grit scratches effectively, so block sanding is straightforward.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it spray easily?\u003c\/strong\u003e\u003cbr\u003eMany users find it sprays smoothly, including with 1.8 mm tips, though the thickness may require slight thinning or technique adjustments.\u003c\/p\u003e","brand":"Speedokote","offers":[{"title":"Default Title","offer_id":48249529630939,"sku":"B07MQVFYK6","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xcXP-YrAL._AC_SL1500.jpg?v=1770965531","url":"https:\/\/gearmusthave.com\/products\/speedokote-super-fill-ss-2790-high-build-primer-fast-dry","provider":"GearMustHave","version":"1.0","type":"link"}