---
product_id: 272599831
title: "3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge"
brand: "3m"
price: "200 Lei"
currency: RON
in_stock: false
reviews_count: 5
url: https://www.desertcart.ro/products/272599831-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs
store_origin: RO
region: Romania
---

# Marine-grade toughness Fast 24-48h cure Heat & mildew resistant 3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge

**Brand:** 3m
**Price:** 200 Lei
**Availability:** ❌ Out of Stock

## Summary

> ⚓ Seal smart, sail sharp — the ultimate marine-grade shield!

## Quick Answers

- **What is this?** 3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge by 3m
- **How much does it cost?** 200 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/272599831-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs)

## 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

- • **Effortless Application:** No mixing needed—applies straight from the cartridge with zero sag, even on vertical surfaces for a flawless finish every time.
- • **Rapid Return to Adventure:** Tack-free in 10 minutes and fully cured within 24-48 hours, so you’re back on the water faster than ever.
- • **Unmatched Marine Durability:** Specifically engineered to stay flexible and strong above the waterline, ensuring your boat or RV stays sealed against the elements.
- • **Versatile Surface Compatibility:** Bonds seamlessly to metal, glass, fiberglass, paint, and more, making it your all-in-one sealing solution.
- • **Long-Lasting Clarity & Protection:** Resists yellowing, mildew, and extreme temperatures to keep your watercraft looking pristine season after season.

## Overview

3M Marine Grade Silicone Sealant (08027) is a premium, flexible sealant designed for above-waterline use on boats and RVs. It bonds to multiple surfaces including metal, glass, and fiberglass, resists mildew and yellowing, and cures quickly within 24-48 hours, ensuring durable, weatherproof protection that keeps your watercraft looking sharp and ready for adventure.

## 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 |
| Item model number | MG Sil |
| Manufacturer | 3M |
| Product Dimensions | 21.59 x 16.51 x 31.12 cm; 362.87 g |

## Product Details

- **Brand:** 3M
- **Item dimensions L x W x H:** 21.6 x 16.5 x 31.1 centimeters
- **Item weight:** 363 g
- **Material:** Silicone
- **Style:** MG Sil

## Images

![3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 1](https://m.media-amazon.com/images/I/21+tFlU6vOL.jpg)
![3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 2](https://m.media-amazon.com/images/I/219f-ZtiCgL.jpg)
![3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 3](https://m.media-amazon.com/images/I/31JAFzfijUL.jpg)
![3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 4](https://m.media-amazon.com/images/I/31S-w2GL1OL.jpg)
![3M Marine Grade Silicone Sealant (08027) – For Boats and RVs - White – 1/10 Gallon Cartridge - Image 5](https://m.media-amazon.com/images/I/41dqSZl5AcL.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

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**Shop now:** [https://www.desertcart.ro/products/272599831-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs](https://www.desertcart.ro/products/272599831-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-07*