---
product_id: 14774116
title: "Marine Grade Silicone Sealant, White, 10.3 fl oz, Cartridge | For Boats and RVs, Above the Waterline Interior/Exterior Sealing, 08027"
brand: "3m"
price: "€ 111.99"
currency: EUR
in_stock: true
category: "3 M"
url: https://www.desertcart.hr/products/14774116-marine-grade-silicone-sealant-white-10-3-fl-oz-cartridge
store_origin: HR
region: Croatia
---

# Marine-grade toughness Fast 24-48h cure Multi-surface adhesion Marine Grade Silicone Sealant, White, 10.3 fl oz, Cartridge | For Boats and RVs, Above the Waterline Interior/Exterior Sealing, 08027

**Brand:** 3m
**Price:** € 111.99
**Availability:** ✅ In Stock

## Summary

> ⚓ Seal your adventure with confidence—stay flexible, fast, and flawless!

## Quick Answers

- **What is this?** Marine Grade Silicone Sealant, White, 10.3 fl oz, Cartridge | For Boats and RVs, Above the Waterline Interior/Exterior Sealing, 08027 by 3m
- **How much does it cost?** € 111.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/14774116-marine-grade-silicone-sealant-white-10-3-fl-oz-cartridge)

## 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

- • **Apply & Seal in One Step:** No mixing required—just squeeze and seal for hassle-free application.
- • **Unmatched Marine Durability:** Engineered to stay flexible and strong above the waterline, no matter the conditions.
- • **Versatile Multi-Surface Bonding:** Adheres seamlessly to metal, glass, fiberglass, paint, plastics, and more.
- • **Weatherproof & Mildew Resistant:** Fights harsh elements and mildew to maintain a flawless seal year-round.
- • **Crystal Clear, Non-Yellowing Finish:** Keeps your watercraft looking sharp and professional over time.

## Overview

3M Marine Grade Silicone Sealant is a premium, one-component marine sealant designed for above-waterline use on boats, RVs, and watercraft. It offers fast curing in 24-48 hours, superior flexibility, and strong adhesion to multiple surfaces including metal, glass, fiberglass, and plastics. Resistant to weather, mildew, and yellowing, it ensures a durable, professional finish that keeps your vessel looking pristine while withstanding harsh marine environments.

## 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, tough 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 20 minutes, and fully cures in 24 to 48 hours so you can get right back out on the water. Providing a high-quality seal, 3M Marine Grade Silicone Sealant is a one-component cure, silicone sealant engineered to withstand the harsh marine environment. This weather-resistant sealant is formulated to resist mildew and form a non-yellowing seal for above waterline applications. In addition, this marine sealant is high-temperature resistant and remains flexible even after years of exposure. The non-shrinking and non-sagging properties of this product offer simple and efficient application. This marine-grade sealant adheres to bare and painted metal, fiberglass, glass, non-oily woods, plastics and abraded rubbers.

## 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 – 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
- For industrial/occupational use only. Not for consumer sale or use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000N9RVAA |
| Best Sellers Rank | #43,756 in Automotive ( See Top 100 in Automotive ) #144 in RV Sealants |
| Brand Name | 3M |
| Color | White |
| Compatible Material | Fiberglass, Glass, Metal, Plastic |
| Customer Reviews | 4.6 4.6 out of 5 stars (210) |
| Global Trade Identification Number | 00051135080276 |
| Included Components | 3M 08027 Marine Grade Silicon Sealant - 1/10 Gallon Cartridge, White |
| Item Dimensions | 8.5 x 6.5 x 12.25 inches |
| Item Form | Liquid |
| Item Type Name | 3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge |
| Item Weight | 12.6 ounces |
| Manufacturer | 3M |
| Material Type | Silicone |
| Model | MG Sil |
| Number of Items | 1 |
| Part Number | 051135080276 |
| Style Name | 10.3 fl oz (Cartridge) |
| Surface Recommendation | Wall |
| UPC | 051135080276 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** 3M
- **Item Weight:** 12.6 ounces
- **Item dimensions L x W x H:** 8.5 x 6.5 x 12.25 inches
- **Material:** Silicone
- **Style:** 10.3 fl oz (Cartridge)

## Images

![Marine Grade Silicone Sealant, White, 10.3 fl oz, Cartridge | For Boats and RVs, Above the Waterline Interior/Exterior Sealing, 08027 - Image 1](https://m.media-amazon.com/images/I/71+7-gTYr1L.jpg)

## Available Options

This product comes in different **Color, Style** options.

## 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

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**Shop now:** [https://www.desertcart.hr/products/14774116-marine-grade-silicone-sealant-white-10-3-fl-oz-cartridge](https://www.desertcart.hr/products/14774116-marine-grade-silicone-sealant-white-10-3-fl-oz-cartridge)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-09*