{"product_id":"berkland-polyurethane-seam-sealer-2-pack-10-oz-white-paintable-non-shrinking-flexible-joint-filler","title":"Berkland Polyurethane Seam Sealer 2-Pack (10 oz) White — Paintable, Non-Shrinking Flexible Joint Filler","description":"\u003cp\u003e\u003cstrong\u003eBerkland Polyurethane Seam Sealer is a flexible, non-shrinking automotive compound in a 2-pack of 10 oz cartridges designed to fill, seal, and be painted over for lasting seam protection.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a reliable seam sealing solution for body panels, floor pans, RV roofs, or welded joints, this two-cartridge kit offers professional-grade polyurethane performance without the common issues of shrinking or cracking. The formula adheres to bare, primed, and painted metal, accepts primer and topcoat quickly, and remains pliable under temperature and vibration stresses. Included nitrile gloves and standard-cartridge sizing make it straightforward to apply with a standard caulking gun for most repair and restoration tasks.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly can I paint over this seam sealer?\u003c\/h3\u003e\n\u003cp\u003eThe sealer accepts automotive primers and topcoats rapidly—allow a minimum tack time before coating. Typical workflow allows priming or painting the same day for many projects, minimizing downtime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePaintable in about 30 minutes under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eBest results: wait 24 hours and scuff prior to final topcoat.\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard automotive primers and finishes.\u003c\/li\u003e\n  \u003cli\u003eEnsure ambient temperature per instructions for optimal cure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this bond to bare metal, primer, or already painted panels?\u003c\/h3\u003e\n\u003cp\u003eYes — the polyurethane formulation is engineered for adhesion to multiple substrates. Proper surface prep improves performance and longevity for both repairs and new assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBonds to bare steel after cleaning and scuffing.\u003c\/li\u003e\n  \u003cli\u003eAdheres to primed surfaces with light abrasion beforehand.\u003c\/li\u003e\n  \u003cli\u003eAccepts application over sound painted panels following cleaning.\u003c\/li\u003e\n  \u003cli\u003eAlso suitable for fiberglass and composite panels in many repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of seams and joints can this sealer handle?\u003c\/h3\u003e\n\u003cp\u003eThis product is made for a wide range of automotive and recreational vehicle sealing tasks. It fills seams, weld joints, and gaps, and resists weathering once cured, making it suitable for interior and exterior use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBody panel seams, drip rails, and door jambs.\u003c\/li\u003e\n  \u003cli\u003eWheel wells, rocker panels, and floor pan repairs.\u003c\/li\u003e\n  \u003cli\u003eWeld-through applications when coatings are stripped around weld flanges.\u003c\/li\u003e\n  \u003cli\u003eRV roof seams and marine joint sealing when waterproofing is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply and cure the seam sealer for best results?\u003c\/h3\u003e\n\u003cp\u003ePreparation and tooling dictate final adhesion and appearance. Follow a few simple steps to set up the surface, then apply with a standard caulking gun and finish to the desired profile.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean surfaces with a VOC-compliant cleaner and scuff with an abrasive pad.\u003c\/li\u003e\n  \u003cli\u003ePierce cartridge seal, trim nozzle, and apply using a standard caulking gun.\u003c\/li\u003e\n  \u003cli\u003eTool the bead to shape and remove excess; allow about 45 minutes initial cure.\u003c\/li\u003e\n  \u003cli\u003eFor painting, wait up to 24 hours and scuff before priming for best adhesion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? DIY restorers, professional body shops, RV owners, and marine hobbyists who need a dependable, paintable seam compound will find this Berkland 2-pack a practical choice. It suits anyone repairing floor pans, sealing welded flanges, restoring rocker panels, or maintaining RV roofs where a flexible, weather-resistant, and paint-ready seam solution is required. The dual cartridges plus included gloves make it convenient for mid-size jobs or staged work across multiple panels.\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: Is this seam sealer compatible with painted surfaces?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Clean and scuff the painted surface before applying to ensure good adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before the sealer fully cures and can be painted?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Initial set in about 45 minutes; paintable around 30 minutes to same day, best results after 24 hours.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Berkland","offers":[{"title":"Default Title","offer_id":48086389522590,"sku":"B0C6YQZK99","price":42.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/berkland-front-packaging-two-cartridges.jpg?v=1785897210","url":"https:\/\/northtrailauto.ca\/products\/berkland-polyurethane-seam-sealer-2-pack-10-oz-white-paintable-non-shrinking-flexible-joint-filler","provider":"North Trail Auto","version":"1.0","type":"link"}