--- product_id: 449490250 title: "Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed For The Marine Market – Solvent Free – Black – 300ml Cartridge" brand: "sika" price: "$48.20" currency: USD in_stock: true reviews_count: 5 category: "Sika" url: https://www.desertcart.us/products/449490250-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine store_origin: US region: United States of America --- # Cures fully in 48h Marine-grade strength Solvent-free & low VOC Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed For The Marine Market – Solvent Free – Black – 300ml Cartridge **Brand:** sika **Price:** $48.20 **Availability:** ✅ In Stock ## Summary > ⚓ Seal the deal with Sikaflex 291i — where marine meets mastery! ## Quick Answers - **What is this?** Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed For The Marine Market – Solvent Free – Black – 300ml Cartridge by sika - **How much does it cost?** $48.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/449490250-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine) ## Best For - sika enthusiasts ## Why This Product - Trusted sika brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Smart Formula:** Solvent-free, low-odour, and low-VOC blend keeps your workspace fresh and your conscience clear. - • **Paint-Ready Finish:** Overpaintable once cured, ensuring a seamless, professional look that blends perfectly with your vessel. - • **Multi-Surface Mastery:** Bonds effortlessly to wood, metal, ceramics, plastics, and more—your all-in-one marine adhesive. - • **Seaworthy Sealant Power:** Wheelmark-approved for guaranteed safety at sea, trusted by pros across the UK & EU. - • **Flexible & Durable Bonding:** Highly elastic, vibration-resistant seal that flexes with your boat’s every move without sagging. ## Overview Sikaflex 291i is a professional-grade, solvent-free marine sealant and adhesive designed for durable, vibration-resistant bonds on multiple surfaces. With Wheelmark approval, low VOC emissions, and a flexible, paintable finish, it’s the trusted choice for safe, clean, and long-lasting marine repairs. ## Description Looking for an easy-to-apply, low-odour marine sealant? Sikaflex 291i Multifunctional Adhesive Sealant, with its non-sag 1-component polyurethane formula, is ideally suited for boat applications. With Wheelmark approval for safety at sea and a solvent-free, low VOC and low-irritation formula, it's the multipurpose adhesive and sealant you need for your marine repairs. Apply using a cartridge gun, and it will form a skin in 60 minutes before curing completely in ambient moisture to a seawater-resistant finish in 24-48 hours. It bonds well to most marine materials, including wood, metal, ceramics, plastics and more. Plus, you can overpaint it once dry. Also available in Grey and White. Review: Bonne qualité - Correspond à la description Livraison rapide Review: ottimo - ottimo ## Features - SAFE FOR INTERNAL APPLICATIONS – Formulated into a solvent-free, low-odour, non-corrosive and very low VOC blend that you can use safely indoors. - IDEAL FOR PROFESSIONAL BOAT APPLICATIONS – Specifically designed for the marine market to provide vibration-resistant bonds and seals on wood, metal, ceramics, plastics and more. - HIGHLY ELASTIC – Cures in ambient moisture to a non-sagging finish that flexes with the boat movement and can be overpainted for a seamless finish. - WHEELMARK APPROVED – Accredited by Wheelmark to meet the safe at sea requirements, meaning you can use it on boats in the UK and European Union. - A CHOICE OF COLOURS – Available in black, white and grey. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BAROCHY | | Best Sellers Rank | #20,706 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #60 in Silicone Sealers | | Brand | SIKA | | Brand Name | SIKA | | Color | Black | | Colour | Black | | Compatible Material | Wood | | Container Type | Cartridge | | Customer Reviews | 4.6 out of 5 stars 740 Reviews | | Full Cure Time | 48 Hours | | Global Trade Identification Number | 07612894815177 | | Included Components | 1 cartridge | | Item Form | Paste | | Item Package Quantity | 1 | | Item Type Name | Sealant and Adhesive | | Item Weight | 402 Grams | | Item form | Paste | | Manufacturer | Sika | | Material | Sealant and Adhesive | | Material Type | Sealant and Adhesive | | Model | 291i | | Other Special Features of the Product | Solvent-free, Low VOC, Low-irritation, Seawater-resistant | | Part Number | SF-291 | | Special features | Solvent-free , Low VOC, Low-irritation, Seawater-resistant | | Specific Uses For Product | Marine | | Specific uses for product | Marine | | Tensile Strength | 222 Pounds | | Unit Count | 300 Milliliters | | Viscosity Level | High | | Volume | 300 Milliliters | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** SIKA - **Item form:** Paste - **Material:** Sealant and Adhesive - **Special features:** Solvent-free, Low VOC, Low-irritation, Seawater-resistant - **Specific uses for product:** Marine ## Images ![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed For The Marine Market – Solvent Free – Black – 300ml Cartridge - Image 1](https://m.media-amazon.com/images/I/613tQFcR5DL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bonne qualité *by C***N on 8 July 2024* Correspond à la description Livraison rapide ### ⭐⭐⭐⭐⭐ ottimo *by E***O on 17 March 2026* ottimo ### ⭐⭐⭐⭐⭐ Tre content *by C***N on 8 November 2019* Rien a dire sikaflex grosse marque ## Frequently Bought Together - Sika – Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed For The Marine Market – Solvent Free – Black – 300ml Cartridge - ProDec Extra Strong Caulking Gun --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/449490250-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine](https://www.desertcart.us/products/449490250-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-06*