{"product_id":"3m-marine-adhesive-sealant-4000-uv-medium-strength-waterproof-marine-sealant-3-oz","title":"3M Marine Adhesive Sealant 4000 UV – Medium-Strength Waterproof Marine Sealant (3 oz)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003e3M Marine Adhesive Sealant 4000 UV is a one-component, moisture-curing sealant designed for marine environments. It cures to a firm, flexible, and waterproof seal on aluminum, wood, gel coat, and fiberglass, making it suitable for boats and RVs above or below the waterline. The formulation emphasizes color stability and long-term outdoor performance, even in sun-exposed settings.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor stable\u003c\/strong\u003e: Maintains its color in applications above and below the water line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePaintable when wet\u003c\/strong\u003e: Forms a skin in 30–60 minutes and can be painted with water-based paints immediately after application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent UV resistance\u003c\/strong\u003e: Durable in sunny, outdoor environments, supporting reliable outdoor performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-purpose marine sealant\u003c\/strong\u003e: Medium-strength bond for portholes, deck fittings, rub rails, screw holes, and stanchion supports while still allowing disassembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible bonds\u003c\/strong\u003e: Elastomeric adhesion accommodates joint movement and resists shock, vibration, swelling, and shrinking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMoisture-curing and gap-filling\u003c\/strong\u003e: No mixing required; forms a seal that tolerates uneven gaps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Uses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePort holes and deck fittings\u003c\/li\u003e\n  \u003cli\u003eRub rails and screw holes\u003c\/li\u003e\n  \u003cli\u003eStanchion supports and other marine hardware\u003c\/li\u003e\n  \u003cli\u003eApplications above or below the waterline on boats and RVs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCuring and Application Notes\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eNote\u003c\/em\u003e: This product is intended for industrial\/occupational use. Not for consumer sale or use. It cures to a firm, flexible seal in about 24 hours. A skin forms in 30–60 minutes, and painting can begin after initial set with water-based paints.\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: Which materials does the 3M Marine Adhesive Sealant 4000 UV bond to?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It bonds to aluminum, wood, gel coat, and fiberglass for a flexible, waterproof marine seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does it take to cure and can it be painted?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cures in about 24 hours; a skin forms in 30–60 minutes and painting with water-based paints is possible after initial set.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":53099094409327,"sku":"B0000AY0ND","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/3m-marine-adhesive-sealant-4000-uv-tube-closeup.jpg?v=1778951795","url":"https:\/\/taskholt.com\/products\/3m-marine-adhesive-sealant-4000-uv-medium-strength-waterproof-marine-sealant-3-oz","provider":"TaskHolt","version":"1.0","type":"link"}