--- product_id: 272599831 title: "Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge" brand: "3m" price: "VT38408" currency: VUV in_stock: true reviews_count: 5 category: "3 M" url: https://www.desertcart.vu/products/272599831-marine-grade-silicone-sealant-08027-for-boats-and-rvs-white store_origin: VU region: Vanuatu --- # Marine-grade toughness Fast 24-48h cure Multi-surface adhesion Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge **Brand:** 3m **Price:** VT38408 **Availability:** ✅ In Stock ## Summary > ⚓ Seal your adventure with confidence — stay flexible, fast, and flawless! ## Quick Answers - **What is this?** Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge by 3m - **How much does it cost?** VT38408 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/272599831-marine-grade-silicone-sealant-08027-for-boats-and-rvs-white) ## 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 - • **Unmatched Marine Durability:** Specifically engineered to withstand harsh marine environments above the waterline, keeping your boat or RV sealed and secure. - • **No Sag Formula for Precision:** Applies cleanly on vertical and overhead surfaces without dripping or sagging, ensuring a flawless seal every time. - • **Versatile Surface Compatibility:** Bonds seamlessly to metal, glass, fiberglass, paint, and more—one sealant for all your sealing needs. - • **Effortless Application & Fast Cure:** No mixing required; applies straight from the cartridge and cures fully in as little as 24 hours so you’re back on the water faster. - • **Long-Lasting Clarity & Mildew Resistance:** Keeps your vessel looking pristine by resisting yellowing and mildew, preserving that fresh, professional finish. ## Overview 3M Marine Grade Silicone Sealant (08027) is a premium, white silicone paste designed for above-waterline sealing on boats, RVs, and watercraft. It offers superior adhesion to multiple surfaces including metal, glass, and fiberglass, cures quickly within 24-48 hours, and resists mildew, yellowing, and extreme temperatures. This easy-to-use, no-mix sealant ensures a durable, flexible, and professional finish that keeps your vessel looking sharp and ready for the next voyage. ## Description 3M Marine Grade Silicone Sealant is formulated specifically for above-the-waterline sealing on RVs, boats and personal watercraft. Ideal for hatches, dashboard components, deck hardware, portlights and many other uses inside or out, it features a non-shrinking formula that forms a strong elastomeric bond and stays firm yet flexible even in tough environments. Apply this silicone sealant to paint, fiberglass, bare metal, glass and non-oily wood as well as many plastics and abraded rubber. It resists all types of weather including high temperatures, and fights the growth of mildew which can cause degrading and discoloration. It also won’t turn yellow over time, preserving the sharp, professional look of your boat or other watercraft. It won’t sag, making it easy to apply even on vertical surfaces. It requires no mixing and applies right from the container. This boat sealant becomes tack-free in as little as 10 minutes, and fully cures in 24 to 48 hours so you can get right back out on the water. Review: Great product! Review: Great product! Works great! Highly recommend! ## Features - DEVELOPED SPECIFICALLY AS A MARINE SEALANT – Stays tough and flexible for a wide range of uses above the waterline - VERY VERSATILE – Works on metal, glass, paint, fiberglass and more - EASY TO USE – Applies right from the container with no mixing required - HELPS KEEP WATERCRAFT LOOKING SHARP – Resists temperatures and mildew, and won’t turn yellow over time - EASY TO USE – Requires no mixing and cures in as little as 24 hours so you can get back out on the water faster ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000N9RVAA | | Brand Name | 3M | | Color | White | | Compatible Material | Metal | | Customer Reviews | 4.6 4.6 out of 5 stars (581) | | Global Trade Identification Number | 00051135080276 | | Included Components | 3M 08027 Marine Grade Silicon Sealant - 1/10 Gallon Cartridge, White | | Item Dimensions | 21.6 x 16.5 x 31.1 centimeters | | Item Form | Paste | | Item Type Name | 3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge | | Item Weight | 12.6 Ounces | | Manufacturer | 3M | | Material Type | Silicone | | Model | MG Sil | | Number of Items | 1 | | Part Number | 051135080276 | | Style Name | MG Sil | | Surface Recommendation | Roof | | UPC | 051135080276 | | Unit Count | 37854.08 Milliliters | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** 3M - **Item dimensions L x W x H:** 21.6 x 16.5 x 31.1 centimeters - **Item weight:** 12.6 Ounces - **Material:** Silicone - **Style:** MG Sil ## Images ![Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 1](https://m.media-amazon.com/images/I/71+7-gTYr1L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***R on 8 December 2025* Great product! ### ⭐⭐⭐⭐⭐ Review *by A***S on 30 July 2025* Great product! Works great! Highly recommend! ### ⭐⭐⭐⭐⭐ Review *by D***E on 29 September 2025* Great stuff for my boat on installing new equipment ## Frequently Bought Together - 3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - 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 --- ## 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.vu/products/272599831-marine-grade-silicone-sealant-08027-for-boats-and-rvs-white](https://www.desertcart.vu/products/272599831-marine-grade-silicone-sealant-08027-for-boats-and-rvs-white) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-08*