---
product_id: 134334157
title: "3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge"
brand: "3m"
price: "R4010"
currency: ZAR
in_stock: true
reviews_count: 5
category: "3 M"
url: https://www.desertcart.co.za/products/134334157-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs
store_origin: ZA
region: South Africa
---

# Marine-grade toughness 100% waterproof seal Cures in 24 hours 3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge

**Brand:** 3m
**Price:** R4010
**Availability:** ✅ In Stock

## Summary

> ⚓ Seal the deal, sail in style!

## Quick Answers

- **What is this?** 3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge by 3m
- **How much does it cost?** R4010 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/134334157-3m-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 required—applies straight from the cartridge for a hassle-free sealing experience.
- • **Fast-Track Your Adventures:** Cures in as little as 24 hours so you can get back on the water without delay.
- • **Unmatched Marine Durability:** Specifically engineered to stay flexible and tough above the waterline, ensuring your boat or RV withstands the elements.
- • **Versatile Surface Compatibility:** Seals metal, glass, fiberglass, paint, and more—one sealant for all your marine needs.
- • **Crystal Clear, Long-Lasting Finish:** Won't yellow over time, keeping your watercraft looking pristine and sharp.

## Overview

3M Marine Grade Silicone Sealant 08027 is a premium, waterproof sealant designed specifically for above-waterline use on boats and RVs. It offers fast curing in 24 hours, superior flexibility, and long-lasting resistance to yellowing, making it the go-to choice for professionals and enthusiasts who demand durability and a flawless finish.

## Description

Scotch Delicate Surface Painter’s Tape is great for surfaces that require a little extra care such as wood floors, wallpaper, cabinets, painted drywall, and freshly painted walls* (*painted at least 24 hours ago). This delicate surface tape with gentle adhesive can stay on surfaces for up to 60 days and then removes easily without leaving any sticky residue behind. This tape features Edge-Lock Technology that seals out paint to deliver sharp paint lines and clean removal for your more sensitive projects, including accent walls, decorative stripes and patterns. Whether you're protecting your hardwood floors from paint splatter or going all out with a decorative mural, rely on Scotch Delicate Surface Painter's Tape for a professional look that's easy on your surfaces.

Review: Great product!
Review: Great product! Works great! Highly recommend!

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- Suspected of damaging fertility or the unborn child.
- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000N9RVAA |
| Best Sellers Rank | 876,890 in Automotive ( See Top 100 in Automotive ) 1,835 in Fillers, Adhesives & Sealants |
| Brand | 3M |
| Colour | White |
| Compatible Material | Plastic |
| Customer Reviews | 4.6 out of 5 stars 578 Reviews |
| 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 centimetres |
| Item Form | Paste |
| 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 | 363 g |
| Item dimensions L x W x H | 21.6 x 16.5 x 31.1 centimetres |
| Item height | 12.25 inches |
| Item weight | 363 g |
| Manufacturer | 3M |
| Material | Silicone |
| Style | MG Sil |
| Style Name | MG Sil |
| Surface Recommendation | Wall |
| UPC | 051135080276 |
| Unit Count | 304.9031 millilitre |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |

## Product Details

- **Material:** Silicone
- **Brand:** 3M
- **Style:** MG Sil
- **Item weight:** 12.6 Ounces
- **Item dimensions L x W x H:** 21.6 x 16.5 x 31.1 centimetres

## Images

![3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - Image 1](https://m.media-amazon.com/images/I/61DH1oUXWQL.jpg)
![3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - Image 2](https://m.media-amazon.com/images/I/61Jiw7E3JuL.jpg)
![3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - Image 3](https://m.media-amazon.com/images/I/71+7-gTYr1L.jpg)
![3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - Image 4](https://m.media-amazon.com/images/I/71i3Yq7mOZL.jpg)
![3M Marine Grade Silicone Sealant, 08027, For Boats and RVs, Above the Waterline Interior/Exterior Sealing, White, 10.3 fl oz Cartridge - Image 5](https://m.media-amazon.com/images/I/81nnGefDaSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product!
*by R***R on 8 December 2025*



### ⭐⭐⭐⭐⭐ Great product! Works great! Highly recommend!
*by A***S on 30 July 2025*



### ⭐⭐⭐⭐⭐ 3M marine grade silicone
*by D***E on 29 September 2025*



## 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.co.za/products/134334157-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs](https://www.desertcart.co.za/products/134334157-3m-marine-grade-silicone-sealant-08027-for-boats-and-rvs)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-03*