{"product_id":"berkland-polyurethane-seam-sealer-2-pack-white-2x10-oz-paintable-flexible-fast-curing","title":"Berkland Polyurethane Seam Sealer 2-Pack White — 2x10 oz Paintable, Flexible, Fast-Curing","description":"\u003cstrong\u003eBerkland Polyurethane Seam Sealer is a two-cartridge, paintable auto body compound engineered to fill and seal panel seams, weld joints, and gaps with a durable, flexible polyurethane formula.\u003c\/strong\u003e\n\n\u003cp\u003eWhen you need a long-lasting sealing solution for body panels, floor pans, door jambs or RV and marine joints, this two-pack of Berkland seam sealer delivers a professional-grade polyurethane compound that resists shrinking and cracking. It accepts primers and topcoats, bonds to bare metal, primed or painted surfaces, and cures quickly so you can move to primer and paint the same day. Each kit includes two 10 oz cartridges designed for use with a standard caulking gun and comes with nitrile gloves for clean handling.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly can I paint over this seam sealer?\u003c\/h3\u003e\n\n\u003cp\u003eThis Berkland polyurethane seam sealer achieves a fast skin time that allows painting shortly after application. In many shop conditions you can prime and topcoat within the same day, saving time on panel repairs and restorations.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePaintable in approximately 30 minutes under typical ambient conditions.\u003c\/li\u003e\n  \u003cli\u003eAllow 45 minutes for initial cure before light handling; best results after 24 hours.\u003c\/li\u003e\n  \u003cli\u003eScuff the surface before priming for optimal adhesion and finish consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat surfaces and applications is it suitable for?\u003c\/h3\u003e\n\n\u003cp\u003eThe compound bonds to bare steel, primed panels, and painted surfaces as well as fiberglass and composite substrates, making it versatile for auto body, RV, and marine projects. It’s intended for interior and exterior seams, weld flanges, floor pans, drip rails, wheel wells and other joints that need a watertight, flexible seal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdheres to bare metal, primed surfaces, painted panels, fiberglass and composites.\u003c\/li\u003e\n  \u003cli\u003eDesigned for seams, weld-through areas, rocker panels, floor pans, and drip rails.\u003c\/li\u003e\n  \u003cli\u003eSuitable for automotive, RV and marine seam sealing where flexibility and weather resistance matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I prepare and apply the Berkland seam sealer for best results?\u003c\/h3\u003e\n\n\u003cp\u003eProper surface preparation is simple: clean with a VOC-compliant cleaner, scuff or grind as needed, then re-clean to remove residue. Pierce the cartridge seal, attach and trim the nozzle, load into a standard caulking gun, apply a continuous bead, and tool the compound to the desired finish before it skins over.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eClean surfaces with a VOC-compliant solvent and scuff with an abrasive pad or grinder on weld areas.\u003c\/li\u003e\n  \u003cli\u003eInsert cartridge into a standard caulking gun; cut nozzle to the bead size needed.\u003c\/li\u003e\n  \u003cli\u003eTool the bead smooth; allow 45 minutes for initial cure, 24 hours before painting and scuffing for best adhesion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this sealer be used when welding nearby?\u003c\/h3\u003e\n\n\u003cp\u003eYou can use the product in weld-through applications if coatings are stripped from the weld flanges first. Apply the sealer to cover bare metal and use proper clamping and shunting techniques—adhere to safe welding practices and allow adequate cure where heat is applied.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStrip coatings around weld flanges before applying the sealer.\u003c\/li\u003e\n  \u003cli\u003eBrush the compound to cover bare metal prior to aligning and clamping for welding.\u003c\/li\u003e\n  \u003cli\u003eUse shunt clamps and follow standard welding safety and prep guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Berkland Polyurethane Seam Sealer is aimed at professional auto body technicians, restoration hobbyists, RV repairers and marine DIYers who need a reliable, flexible, paintable seam compound. If you require a non-shrinking, weather-resistant sealant that bonds to a wide range of substrates and speeds up the prime-and-paint timeline, this two-pack is tailored for panel repairs, seam sealing, and structural joint work where durability and finishability matter.\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: How long before I can paint over Berkland seam sealer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can typically prime and paint in about 30 minutes to an hour; allow 24 hours for best adhesion before scuffing and topcoating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this sealer bond to bare metal and fiberglass?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this polyurethane formula bonds to bare steel, primed or painted panels, as well as fiberglass and composite surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berkland","offers":[{"title":"Default Title","offer_id":55167677399383,"sku":"B0C6YQZK99","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/berkland-front-packaging.jpg?v=1790390891","url":"https:\/\/britishgarage.co.uk\/products\/berkland-polyurethane-seam-sealer-2-pack-white-2x10-oz-paintable-flexible-fast-curing","provider":"British Garage","version":"1.0","type":"link"}