{"product_id":"sem-39387-2k-self-leveling-seam-sealer-gray-7-oz-cartridge-automotive","title":"SEM 39387 2K Self Leveling Seam Sealer GRAY 7 oz Cartridge Automotive","description":"\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e SEM\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e No Warranty\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnit Type:\u003c\/strong\u003e oz\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 39777\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnit Quantity:\u003c\/strong\u003e 1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch3 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003eSEM 39387 Dual-Mix Self Leveling Seam Sealer - 7 oz Cartridge - Gray - Automotive Epoxy for Roof, Trunk \u0026amp; Drip Rail Seams\u003c\/h3\u003e\n\u003ch3 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eBrand New, Factory Sealed!\u003c\/strong\u003e Perfect for automotive restoration, bodywork, and DIY projects. This high-quality two-component epoxy from SEM Products is designed to seal drip rails, roof seams, and trunk seams with ease. It provides a professional, flexible finish that won't shrink, harden, or crack over time. Ideal for both professionals and home enthusiasts looking to achieve OEM-like results.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003eKey Features:\u003c\/h4\u003e\n\u003ch3 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003e\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Recommended:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eTrusted by manufacturers for reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect to Metal Application:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eCan be applied on bare metal (with proper prep) or primed surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePaintable in 15 Minutes:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eQuick drying for faster project completion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Self-Leveling Properties:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eFlows smoothly into crevices for a seamless, even seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanently Flexible:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eMaintains elasticity to handle vehicle movement without cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Mix Forever Warranty:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eBacked by SEM's lifetime warranty when used as directed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Substrates:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eWorks on bare metal, OEM finishes, epoxy primers, and urethane primers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Shrinkage or Hardening:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eEnsures long-lasting durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/h3\u003e\n\u003ch4 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003eTypical Properties:\u003c\/h4\u003e\n\u003ch3 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003e\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eColor: Gray\u003c\/li\u003e\n\u003cli\u003eContainer: 7 oz Dual-Mix Cartridge\u003c\/li\u003e\n\u003cli\u003eWorking Time: 10 minutes at 70°F (21°C)\u003c\/li\u003e\n\u003cli\u003eSet Time: 15 minutes at 70°F (21°C)\u003c\/li\u003e\n\u003cli\u003eTop Coat\/Paint Time: 15 minutes at 70°F (21°C)\u003c\/li\u003e\n\u003cli\u003eFull Cure Time: 1 hour at 70°F (21°C)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003eThis sealer is VOC compliant in most areas (check your local regulations). It's easy to apply with a standard caulking gun or SEM's recommended applicators (like the Universal Manual Applicator - SEM 71119, sold separately). Static mixers (SEM 70011 or 70012) are required for proper mixing and are available separately.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space-collapse: preserve;\"\u003eEasy-to-Follow Instructions:\u003c\/p\u003e\n\u003ch3 dir=\"auto\" style=\"caret-color: rgb(0, 0, 0); text-align: start;\"\u003e\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003eFollow these simple steps for professional results. Always wear gloves, eye protection, and work in a well-ventilated area. Test in a small area first if unsure.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eTools You'll Need:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eSEM 39387 Seam Sealer Cartridge\u003c\/li\u003e\n\u003cli\u003eApplicator gun (e.g., SEM 71119 Manual Applicator)\u003c\/li\u003e\n\u003cli\u003eStatic mixer tip (e.g., SEM 70011)\u003c\/li\u003e\n\u003cli\u003eCleaner (e.g., SEM Solve or XXX Universal Surface Cleaner)\u003c\/li\u003e\n\u003cli\u003eSandpaper (P80 for bare metal, P400 for primed surfaces) or gray scuff pad\u003c\/li\u003e\n\u003cli\u003eMasking tape, razor knife, tack cloth, and optional heat gun\u003c\/li\u003e\n\u003cli\u003eSolvent for cleanup (VOC-compliant in your area)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eStep 1: Preparation (10-15 minutes)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eWarm the vehicle or work area to at least 70°F (21°C) for one hour and ensure it's level.\u003c\/li\u003e\n\u003cli\u003eClean the seams\/joints thoroughly with SEM Solve or XXX Universal Surface Cleaner to remove dirt, grease, and old sealant.\u003c\/li\u003e\n\u003cli\u003eFor primed surfaces: Sand with P400 grit paper or scuff with a gray pad.\u003c\/li\u003e\n\u003cli\u003eFor bare metal: Sand with P80 grit paper.\u003c\/li\u003e\n\u003cli\u003eBlow off dust and wipe with a tack cloth.\u003c\/li\u003e\n\u003cli\u003eRe-clean the area with your chosen cleaner and let dry completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Note:\u003c\/strong\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eIf the area flexes (like roof skins or drip rails), apply a two-component urethane or epoxy primer first (e.g., World Class DTM Primer), let it cure fully, then sand before sealing. Avoid acid-based self-etching primers to prevent cracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eStep 2: Mixing (5 minutes)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eInsert the cartridge into your applicator gun.\u003c\/li\u003e\n\u003cli\u003ePry off the cap with a flathead screwdriver.\u003c\/li\u003e\n\u003cli\u003eSqueeze out a small amount until both components flow equally (to equalize).\u003c\/li\u003e\n\u003cli\u003eAttach the static mixer tip and cut the end to your desired bead size (start small for control).\u003c\/li\u003e\n\u003cli\u003eHold the gun upright and dispense until product flows into the mixer.\u003c\/li\u003e\n\u003cli\u003eTest dispense a small bead on scrap material to confirm even mixing (it should be uniform gray).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eStep 3: Application (10-15 minutes)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eApply masking tape at the forward end of the seam\/channel to create a dam and prevent runoff.\u003c\/li\u003e\n\u003cli\u003eDispense the sealer down the center of the entire seam length. It will flow out and self-level automatically.\u003c\/li\u003e\n\u003cli\u003eIf air bubbles appear, use a heat gun on low heat (2-6 inches away) with a sweeping motion to pop them while the product is wet.\u003c\/li\u003e\n\u003cli\u003eWipe away any excess with a small amount of VOC-compliant solvent.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the tape with a razor knife while wet. Trim or sand the end if needed to match the original contour, but avoid lifting the sealer from the base.\u003c\/li\u003e\n\u003cli\u003eLet it set for 15 minutes at 70°F before painting or top-coating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eStep 4: Cleanup and Curing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eClean tools immediately with solvent.\u003c\/li\u003e\n\u003cli\u003eAllow 1 hour for full cure at 70°F. Colder temps may extend times.\u003c\/li\u003e\n\u003cli\u003eStore unused cartridge in a cool, dry place (shelf life: 2 years). Snap the cap back on matching shapes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003e\u003cstrong\u003eTips for Success:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\" style=\"font-weight: 400;\"\u003e\n\u003cli\u003eWork quickly within the 10-minute window.\u003c\/li\u003e\n\u003cli\u003eIf reusing the cartridge, replace the mixer tip each time.\u003c\/li\u003e\n\u003cli\u003eFor best results, apply in moderate humidity and avoid direct sunlight during application.\u003c\/li\u003e\n\u003cli\u003eAlways review the Safety Data Sheet (SDS) for health precautions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"font-weight: 400; white-space-collapse: preserve;\"\u003eThis SEM 39387 is a must-have for restoring classic cars, fixing leaks, or prepping for paint. Ships fast – buy with confidence! If you have questions, feel free to ask.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SEM","offers":[{"title":"Default Title","offer_id":58121000223023,"sku":"39777","price":47.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/5428\/3311\/files\/57_b494cf90-207e-4c2a-89ba-a792f9532726.jpg?v=1782873770","url":"https:\/\/www.autopaintdeals.com\/products\/sem-39387-2k-self-leveling-seam-sealer-gray-7-oz-cartridge-automotive","provider":"Auto Paint Deals","version":"1.0","type":"link"}