{"product_id":"berkland-polyurethane-seam-sealer-2-pack-black-paintable-auto-body-sealant-flexible-10-oz-cartridges","title":"Berkland Polyurethane Seam Sealer 2-Pack, Black – Paintable Auto Body Sealant, Flexible 10 oz Cartridges","description":"\u003cp\u003e\u003cstrong\u003eBerkland's black polyurethane seam sealer (2-pack) is a paintable, flexible adhesive designed to seal and protect automotive seams, joints, and panel gaps with long-lasting adhesion.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a durable seam compound for bodywork, this two-cartridge kit delivers a professional-grade solution formulated to resist shrinking and cracking while staying low-odor. The black finish blends into darker cavities and undercarriage areas, reducing the need for heavy topcoating. Each 10 oz cartridge fits standard caulking guns and the set includes nitrile gloves so you can work cleanly and control bead application easily.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly can I paint over Berkland seam sealer?\u003c\/h3\u003e\n\n\u003cp\u003eYou can topcoat or primer over the sealer shortly after application. The formula is designed to be paintable in about 30 minutes under normal shop conditions, letting you move through panels faster without long delays.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePaintable in approximately 30 minutes for faster workflow.\u003c\/li\u003e\n  \u003cli\u003eBest results if left 24 hours and lightly scuffed before final paint.\u003c\/li\u003e\n  \u003cli\u003eAmbient temperature affects cure speed; warmer conditions shorten set time.\u003c\/li\u003e\n  \u003cli\u003eUse VOC-compliant cleaners for surface prep to ensure adhesion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it stick to bare metal, primed, or painted surfaces?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the polyurethane formulation bonds to a wide range of substrates commonly found in auto repair. Whether you’re sealing bare steel, a primed panel, or a painted area, it adheres reliably when the surface is properly cleaned and scuffed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdheres to bare steel, primed metal, painted panels, fiberglass, and composites.\u003c\/li\u003e\n  \u003cli\u003eRequires cleaning with a VOC-compliant cleaner and light abrasion for best contact.\u003c\/li\u003e\n  \u003cli\u003eStrips coatings where weld-through is needed and re-applies for seam protection.\u003c\/li\u003e\n  \u003cli\u003eNo special adhesion promoter usually required for standard auto substrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere on the vehicle should I use this seam sealer?\u003c\/h3\u003e\n\n\u003cp\u003eThe product is intended for interior and exterior seams where a flexible, waterproof seal is required. It’s commonly used in wheel wells, rocker panels, door jambs, floor pans, drip rails and other joints exposed to moisture or vibration.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWheel wells, rocker panels, floor pans, and door seams.\u003c\/li\u003e\n  \u003cli\u003eWeld flanges and weld-through zones when coatings are removed.\u003c\/li\u003e\n  \u003cli\u003eRV roofs, marine joints, truck bed seams and other weather-exposed areas.\u003c\/li\u003e\n  \u003cli\u003eFlexible enough to handle panel movement without cracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply and get a professional finish?\u003c\/h3\u003e\n\n\u003cp\u003eApplication is straightforward with a standard caulking gun and basic preparation tools. Clean and scuff surfaces, pierce the cartridge, trim the nozzle to the desired bead size, and tool the sealer smooth; a short set time means you can continue work quickly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eClean surface with VOC-compliant cleaner and scuff with abrasive pad first.\u003c\/li\u003e\n  \u003cli\u003ePierce cartridge seal, insert into caulking gun, trim nozzle for bead control.\u003c\/li\u003e\n  \u003cli\u003eTool the bead to shape; allow initial set then re-scuff before final paint if needed.\u003c\/li\u003e\n  \u003cli\u003eIncludes nitrile gloves for clean handling and two 10 oz cartridges for larger jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Body shops, restoration hobbyists, RV and marine owners, and DIY mechanics who need a reliable black seam compound that bonds to multiple substrates and speeds up finish work. If you want a non-shrinking, paintable sealer packaged for standard caulking guns and enough capacity for full-panel repairs, this Berkland 2-pack is built for those projects.\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: Can I weld through areas treated with this sealer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Strip coatings at the weld flange before welding; then apply the sealer after welding to protect seams.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this sealer flexible and weather resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The polyurethane formula remains flexible, resists shrinking and cracking, and is weatherproof once cured.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berkland","offers":[{"title":"Default Title","offer_id":55167686115671,"sku":"B0DBHCQCTR","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/berkland-front-packaging_6233d743-a34b-427a-8e55-50792678fc80.jpg?v=1790391030","url":"https:\/\/britishgarage.co.uk\/products\/berkland-polyurethane-seam-sealer-2-pack-black-paintable-auto-body-sealant-flexible-10-oz-cartridges","provider":"British Garage","version":"1.0","type":"link"}