{"product_id":"berkland-polyurethane-seam-sealer-black-paintable-auto-body-sealant-10-5-oz","title":"Berkland Polyurethane Seam Sealer — Black, Paintable Auto Body Sealant (10.5 oz)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eBerkland presents a durable, flexible polyurethane seam sealer in black, designed for automotive joints, welds, and gaps. The compound stays true to its form, resisting shrinkage and cracks, helping you seal dark undercarriage areas where visible lines should disappear.\u003c\/p\u003e\u003ch3\u003eWhy choose this sealant\u003c\/h3\u003e\u003cp\u003eWhether you’re patching a door jamb, wheel well, or floor seam, this sealer provides a robust, paintable finish. The black base blends with dark surfaces, reducing the appearance of sealant lines while delivering reliable protection from moisture and outdoor elements.\u003c\/p\u003e\u003cp\u003eAlongside its versatility, the material accepts paint within a short window, making it suitable for same‑day priming and topcoating on compatible projects. It bonds to a range of substrate types and remains flexible after cure, helping accommodate thermal movement and vibration across different vehicle configurations.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNon shrinking, non cracking performance that maintains a cohesive seam over time.\u003c\/li\u003e\n\u003cli\u003ePaintable in about 30 minutes, enabling faster completion of cosmetic or protective coatings.\u003c\/li\u003e\n\u003cli\u003eStrong adhesion to bare metal, primed surfaces, painted panels, and even fiberglass or composite parts.\u003c\/li\u003e\n\u003cli\u003eFlexible, weatherproof seal suitable for interior and exterior seams on wheel wells, door jambs, floor pans, and more.\u003c\/li\u003e\n\u003cli\u003eSingle 10.5 fl oz cartridge with gloves included for clean, controlled bead application using standard caulking guns.\u003c\/li\u003e\n\u003cli\u003eSuitable for automotive, RV, and marine applications, offering a waterproof seal after cure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal uses and surfaces\u003c\/h3\u003e\u003cp\u003eApply across body panel joints, weld through areas, and joints around undercarriage structures. It works on bare steel, primed surfaces, and already-painted panels, and can even bond to fiberglass and other composites for broader restoration projects.\u003c\/p\u003e\u003cp\u003eColor and cure dynamics make it well-suited for dark surfaces where paint coverage needs to be efficient. The fast initial set allows you to move on to priming and topcoating without long delays.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrepare the surface by cleaning with a VOC‑compliant cleaner and scuffing, then re-clean to remove debris before applying the sealant.\u003c\/li\u003e\n\u003cli\u003ePierce the seal, install the nozzle, trim, and load into a standard caulking gun. Apply a clean bead and tool to your preferred finish.\u003c\/li\u003e\n\u003cli\u003eAllow about 45 minutes to set. For best results, wait 24 hours and scuff prior to painting.\u003c\/li\u003e\n\u003cli\u003eOn bare metal or welded joints, abrade and clean before sealing to promote adhesion and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAfter curing, the seal is designed to resist moisture and weather exposure, helping maintain a sealed seam across challenging vehicle environments.\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 surfaces can Berkland Polyurethane Seam Sealer bond to?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It adheres to bare steel, primed and painted metal, and also bonds to fiberglass and composites, delivering a flexible, paintable seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the curing and painting timeline for this sealant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Initial set in about 45 minutes; full cure in 24 hours before painting for best finish.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berkland","offers":[{"title":"Default Title","offer_id":42465778139221,"sku":"B0D94YGSGH","price":27.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/berkland-polyurethane-seam-sealer-bottle.jpg?v=1778022603","url":"https:\/\/plentytorque.co.uk\/products\/berkland-polyurethane-seam-sealer-black-paintable-auto-body-sealant-10-5-oz","provider":"PlentyTorque","version":"1.0","type":"link"}