{"product_id":"berkland-polyurethane-seam-sealer-2-pack-white-2-10-oz-paintable-flexible-automotive-adhesive","title":"Berkland Polyurethane Seam Sealer 2-Pack (White) — 2×10 oz Paintable, Flexible Automotive Adhesive","description":"\u003cstrong\u003eBerkland Polyurethane Seam Sealer is a two-cartridge, paintable automotive seam and panel adhesive designed to form a durable, flexible, non-shrinking seal on bare, primed, or painted surfaces.\u003c\/strong\u003e\n\n\u003cp\u003eThis 2-pack delivers professional-grade polyurethane seam sealer in two 10 oz cartridges so you can seal seams, welds, and joints quickly and reliably. Low odor and formulated to resist cracking and shrinkage, the compound bonds to metal, fiberglass, and composites and accepts primers and topcoats. Included nitrile gloves and compatibility with standard caulking guns make application straightforward for restoration, collision repair, or preventative maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly can I paint over this seam sealer?\u003c\/h3\u003e\n\u003cp\u003eThe product is formulated to accept paint in a short timeframe so you can keep projects moving. It becomes paintable after about 30 minutes under normal conditions, though full handling strength develops over longer curing periods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePaintable in approximately 30 minutes for fast turnaround\u003c\/li\u003e\n  \u003cli\u003eAllow 45 minutes before light handling; best results at 24 hours before sanding\u003c\/li\u003e\n  \u003cli\u003eScuff the cured surface prior to priming for optimal adhesion\u003c\/li\u003e\n  \u003cli\u003eAccepts standard automotive primers and topcoats\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it stick to bare metal, painted panels, or fiberglass?\u003c\/h3\u003e\n\u003cp\u003eBerkland’s polyurethane formula adheres well to a wide range of substrates encountered in vehicle repair. Proper surface cleaning and scuffing improve bond strength, but no exotic primers are required for typical applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBonds to bare steel, galvanized and primed panels\u003c\/li\u003e\n  \u003cli\u003eWorks on painted surfaces after scuffing and cleaning\u003c\/li\u003e\n  \u003cli\u003eAdheres to fiberglass and composite body panels for marine and RV use\u003c\/li\u003e\n  \u003cli\u003eUse VOC-compliant cleaner to remove oils and contaminants before application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this seam sealer applied for weld-through, bare metal, or painted surfaces?\u003c\/h3\u003e\n\u003cp\u003eApplication is similar across substrates but follow simple prep steps for reliable results. Clean, scuff, and re-clean surfaces; pierce the cartridge seal, install nozzle, and apply with a standard caulking gun. Tool the bead to the desired finish and allow recommended cure time before further work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeld-through: strip coatings, brush on sealer around flanges, clamp, then weld\u003c\/li\u003e\n  \u003cli\u003eBare metal: grind or scuff weld nuggets, clean, then apply and tool the seam\u003c\/li\u003e\n  \u003cli\u003ePrimed\/painted panels: scuff, clean, then apply; re-clean before sealing\u003c\/li\u003e\n  \u003cli\u003eTrim nozzle for bead size; included gloves help keep application clean\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and flexible is the cured compound?\u003c\/h3\u003e\n\u003cp\u003eThe polyurethane composition is engineered to remain flexible across temperature changes and vehicle vibration, reducing the chance of cracking or pull-away over time. Once cured, it provides a weather-resistant, waterproof barrier suitable for exposed seams and interior joints.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-shrinking and resists cracking under stress and temperature fluctuation\u003c\/li\u003e\n  \u003cli\u003eWaterproof and weather resistant when fully cured\u003c\/li\u003e\n  \u003cli\u003eFlexible enough to handle movement in wheel wells, door jambs, and floor pans\u003c\/li\u003e\n  \u003cli\u003eSuitable for auto body, RV, and marine seam sealing tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Berkland Polyurethane Seam Sealer 2-Pack is aimed at DIY restorers, professional body shops, and RV or marine owners who need a dependable, paintable seam compound. If you work on collision repair, floor pan replacement, or preventative seam maintenance and value a fast paint-ready cure, durable flexibility, and broad substrate compatibility, this kit is designed to fit into your workflow.\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 until I can paint over the seam sealer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The sealer is paintable in about 30 minutes; wait 24 hours for best curing and scuff before priming.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it work on bare metal and fiberglass?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It bonds to bare metal, primed or painted panels, and fiberglass after proper cleaning and scuffing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berkland","offers":[{"title":"Default Title","offer_id":67587720315065,"sku":"B0C6YQZK99","price":81.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/berkland-seam-sealer-front-packaging.jpg?v=1790515080","url":"https:\/\/redleafauto.ca\/products\/berkland-polyurethane-seam-sealer-2-pack-white-2-10-oz-paintable-flexible-automotive-adhesive","provider":"Redleaf Auto","version":"1.0","type":"link"}