{"product_id":"sikaflex-290dc-pro-marine-sealant-black-300ml","title":"Sikaflex 290DC Pro Marine Sealant Black 300ml","description":"\u003cli\u003eSikaflex 290DC Pro Marine Sealant Black 300ml is a one‑component polyurethane joint sealing compound specifically formulated for caulking traditional timber marine decking. This sikaflex 290dc pro marine sealant black 300ml provides outstanding weathering resistance, making it ideal for highly exposed open joints within maritime environments where long‑term durability is essential.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eThe sealant cures to form a flexible elastomer that accommodates deck movement while maintaining a robust seal against seawater and fresh water. Once cured, Sikaflex 290DC Pro Marine Sealant Black 300ml allows fast and easy sanding, enabling installers to achieve a smooth, professional deck finish. Its durable formulation ensures long‑term performance in harsh marine conditions, including UV exposure, saltwater contact and continuous environmental stress.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eSikaflex 290DC Pro Marine Sealant Black 300ml is widely used in boatbuilding, deck restoration and marine maintenance applications where high‑performance timber deck caulking is required.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eProduct Benefits\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cul\u003e\n\u003cli\u003eExcellent weathering resistance\u003c\/li\u003e\n\u003cli\u003eRobust and durable\u003c\/li\u003e\n\u003cli\u003eLong toolability\u003c\/li\u003e\n\u003cli\u003eEasy and fast sandable\u003c\/li\u003e\n\u003cli\u003eResistant to seawater and fresh water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCommon Applications for Sikaflex 290DC Pro Marine Sealant Black 300ml\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cul\u003e\n\u003cli\u003eTimber marine decking — caulking traditional wooden decks\u003c\/li\u003e\n\u003cli\u003eBoatbuilding — sealing exposed deck joints\u003c\/li\u003e\n\u003cli\u003eMarine restoration — refurbishing timber deck structures\u003c\/li\u003e\n\u003cli\u003eHigh‑exposure joints — areas subject to UV, seawater and weathering\u003c\/li\u003e\n\u003cli\u003eGeneral maritime sealing — flexible sealing in marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eHow to Apply Sikaflex 290DC Pro Marine Sealant Black 300ml\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cul\u003e\n\u003cli\u003eSurface preparation — ensure deck joints are clean, dry and properly prepared\u003c\/li\u003e\n\u003cli\u003eApplication — apply directly into deck joints using a cartridge gun\u003c\/li\u003e\n\u003cli\u003eTooling — smooth the sealant to ensure full joint contact\u003c\/li\u003e\n\u003cli\u003eCuring — allow full cure before sanding\u003c\/li\u003e\n\u003cli\u003eFinishing — sand the cured elastomer to achieve a flush deck surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eFAQs for Sikaflex 290DC Pro Marine Sealant Black 300ml\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cul\u003e\n\u003cli\u003eIs it suitable for timber decking? — yes, specifically formulated for timber marine decks\u003c\/li\u003e\n\u003cli\u003eDoes it resist seawater? — yes, resistant to seawater and fresh water\u003c\/li\u003e\n\u003cli\u003eCan it be sanded? — yes, fast and easy sanding after curing\u003c\/li\u003e\n\u003cli\u003eIs it durable? — yes, excellent weathering and long‑term performance\u003c\/li\u003e\n\u003cli\u003eIs it flexible? — yes, cures to a flexible elastomer for deck movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/gbr.sika.com\/en\/industry\/marine\/marine-sealants-andadhesivesforboatsandyachts\/teak-decking\/sikaflex-290-dcpro.html\" rel=\"noopener\" target=\"_blank\"\u003eFor further information on this product, please click the link to visit the Manufacturer’s website.\u003c\/a\u003e\u003c\/p\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":49173874311510,"sku":"80090","price":17.82,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/2846\/7030\/files\/Sika290dc.jpg?v=1747087564","url":"https:\/\/alscoltd.co.uk\/products\/sikaflex-290dc-pro-marine-sealant-black-300ml","provider":"Alsco Ltd","version":"1.0","type":"link"}