--- product_id: 272599832 title: "3m 05205 3 Oz Black Marine Adhesive Sealant" brand: "3m" price: "S$66" currency: SGD in_stock: true category: "3 M" url: https://www.desertcart.sg/products/272599832-3m-05205-3-oz-black-marine-adhesive-sealant store_origin: SG region: Singapore --- # 48h handling strength, 4-day full cure Permanent marine-grade bond Saltwater & weather resistant 3m 05205 3 Oz Black Marine Adhesive Sealant **Brand:** 3m **Price:** S$66 **Availability:** ✅ In Stock ## Summary > ⚓ Seal your legacy with 3M’s toughest marine adhesive – don’t let your boat settle for less! ## Quick Answers - **What is this?** 3m 05205 3 Oz Black Marine Adhesive Sealant by 3m - **How much does it cost?** S$66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/272599832-3m-05205-3-oz-black-marine-adhesive-sealant) ## Best For - 3m enthusiasts ## Why This Product - Trusted 3m brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Surface Master:** Ideal for deck housings, hull fittings, portholes & more – versatility that wins - • **Weatherproof Warrior:** Resists saltwater, UV, and harsh weather above & below waterline 🌊 - • **Stress-Absorbing Flex:** Elastomeric bond absorbs vibration, swelling & shock for lasting performance - • **Generous Working Window:** Extended open time lets you perfect every application without rush ⏳ - • **Unbreakable Marine Seal:** Permanently bonds wood, fiberglass & metal for ultimate durability ⚓ ## Overview 3M 05205 Marine Adhesive Sealant 5200 is a black polyurethane formula engineered for permanent, flexible, and waterproof bonds on marine substrates like wood, fiberglass, and metal. It withstands saltwater and weathering, cures fully in 4 days, and maintains strength under vibration and shock, making it the go-to sealant for professional-grade marine repairs and installations. ## Description Tough and Flexible to Form Strong Bonds. Forming watertight seals, 3M Marine Adhesive Sealant 5200 offers permanent adhesion to wood, gelcoat and fiberglass. In addition, our marine adhesive sealant is flexible and allows for structural movement and dissipation of stress that may be caused by vibration, swelling, shrinking or shock. Available in both cartridge and sausage packs to meet your application requirements. Recommended Applications: Fiberglass deck to hull; Through hull fittings; Wood to fiberglass; Portholes and deck fittings; Motors on fiberglass transoms; Under moldings; Hull seams above and below water line; Deck housing. Combats Vibrations, Swelling, Shrinking and Shock. 3M Marine Adhesive Sealant 5200 is designed to meet the high demands of the marine environment, making it ideal for creating tough bonds resistant to saltwater and weathering. We formulated our sealant to provide an exceptionally strong solution for marine conditions as well as flexibility that combats vibrations, swelling, shrinking or shock. Once again, despite the barriers of a rough marine environment, 3M looked to science to provide a reliable, durable solution. Designed to Endure Marine Environments - 3M Marine Adhesive Sealant 5200 is a part of our broad range of adhesive sealants uniquely formulated for the marine market. Designed for reliable performance, 3M Marine Adhesive Sealant 5200 is the most trusted sealant in the industry for permanent, high strength bonding. Polyurethane sealants provide strong, flexible durable elastomeric bonds that seal against the elements. These sealants excel in challenging industrial, transportation and construction applications. Polyurethane sealants are available in a wide variety of Shore A hardness, open time and colors to meet many application needs. Choose a 3M Manual or Pneumatic Applicator for dispensing 3M adhesives sealant cartridges and 400ml/600ml sausage packs. In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently. ## Features - Easy to apply – the one-component adhesive sealant does not require mixing, cures completely in 5 to 7 days - Use what the pros use - Extremely strong adhesive sealant maintains resistance above or below the waterline - Sturdy and flexible bonds - remain flexible, retaining strong bonds even during vibration, structural movement, swelling, shrinkage, or shock - Permanently adhesive – Ideal for sealing, bonding, and fixing on the interior of boats or in protected outdoor areas from the sun ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000Y89JC8 | | Best Sellers Rank | #8,746 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Silicone Sealers | | Brand Name | 3M | | Color | Black | | Compatible Material | Fiberglass, Wood | | Customer Reviews | 4.5 4.5 out of 5 stars (6,349) | | Global Trade Identification Number | 00051135052051 | | Included Components | marine sealant | | Item Dimensions | 36 x 124 x 224 millimeters | | Item Form | Liquid | | Item Highlight | Permanent Bonding and Sealing for Boats and Marine Applications | | Item Type Name | marine sealant | | Item Weight | 4.8 Ounces | | Manufacturer | 3M | | Material Type | Polyurethane | | Model | 5200 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 051135052051 | | Style Name | 5200 | | Surface Recommendation | Floor | | UPC | 051135052051 | | Unit Count | 3 Milliliters | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** 3M - **Item dimensions L x W x H:** 36 x 124 x 224 millimeters - **Item weight:** 4.8 Ounces - **Material:** Polyurethane - **Style:** 5200 ## Images ![3m 05205 3 Oz Black Marine Adhesive Sealant - Image 1](https://m.media-amazon.com/images/I/41e+BRho0qL.jpg) ![3m 05205 3 Oz Black Marine Adhesive Sealant - Image 2](https://m.media-amazon.com/images/I/51uUbZ7CMFL.jpg) ![3m 05205 3 Oz Black Marine Adhesive Sealant - Image 3](https://m.media-amazon.com/images/I/413CVw-2kpL.jpg) ![3m 05205 3 Oz Black Marine Adhesive Sealant - Image 4](https://m.media-amazon.com/images/I/41HUuZKOsfL.jpg) ![3m 05205 3 Oz Black Marine Adhesive Sealant - Image 5](https://m.media-amazon.com/images/I/41zG7+MtPpL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Does the 10oz. Silicone require purchasing a special caulk gun? I was previously shipped tubes made of metal with pull tap opening like on a soup can** A: I was concerned as well but it has an internal plastic follower cup that a traditional caulking gun presses against: Similar to the traditional caulk tube. The additional metal seal helps to prolong the storage of the adhesive sealant. **Q: Has anyone tried mixing a color pigment into the glue before application? Will this effect the cure?** A: I have not and can only advise you give 3M support line a call and ask them and if you can I am sure they will tell you which coloring to use. I would not just mix in any color you don't know how the glue will react to it. Give 3M a call I am sure they will be glad to help. **Q: My kitty put a couple of pin hole sized punctures in my scuba bcd, causing a small, slow leak. will this patch it?** A: Yes it will. Allow five days to cure. Don’t use the fast cure. **Q: Is it paintable?** A: Yes it is paintable ## Frequently Bought Together - 3M Marine Adhesive Sealant 5200 - Permanent Bonding and Sealing for Boats and Marine Applications - Black - 3 Ounces - 3M Marine Adhesive Sealant Fast Cure 5200 (06535) Permanent Bonding and Sealing for Boats and RVs Above and Below the Waterline Waterproof Repair, White, 1 fl oz Tube - 3M TALC Marine Adhesive Sealant Fast Cure 4200 (05260) – Semi-Permanent Flexible Adhesive Sealant for Boats and Marine Applications – White – 3 Ounces --- ## 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.sg/products/272599832-3m-05205-3-oz-black-marine-adhesive-sealant](https://www.desertcart.sg/products/272599832-3m-05205-3-oz-black-marine-adhesive-sealant) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-11-08*