---
product_id: 383547569
title: "MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls."
brand: "seal-once"
price: "R9615"
currency: ZAR
in_stock: true
category: "Seal Once"
url: https://www.desertcart.co.za/products/383547569-marine-1-gallon-penetrating-wood-sealer-waterproofer-and-stain-water
store_origin: ZA
region: South Africa
---

# Ultra-low VOC, eco-safe Waterproof barrier Nanotech deep penetration MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls.

**Brand:** seal-once
**Price:** R9615
**Availability:** ✅ In Stock

## Summary

> 🌊 Seal the deal with science — protect your wood from the inside out!

## Quick Answers

- **What is this?** MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls. by seal-once
- **How much does it cost?** R9615 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/383547569-marine-1-gallon-penetrating-wood-sealer-waterproofer-and-stain-water)

## Best For

- seal-once enthusiasts

## Why This Product

- Trusted seal-once brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Friendly & Safe:** Water-based, non-toxic formula protects people, pets, plants, and marine life.
- • **Deep Cellular Protection:** Nanotechnology bonds at the microscopic level for unmatched wood stability.
- • **Versatile Marine-Grade Use:** Perfect for docks, decks, piers, and retaining walls exposed to fresh or saltwater.
- • **Flexible Breathable Barrier:** Allows wood to expand and contract naturally while repelling moisture.
- • **Natural Wood Beauty Preserved:** Non-film forming, dries clear, and available in 11 semi-transparent tints.

## Overview

SEAL-ONCE MARINE is a premium, water-based wood sealer using advanced nanotechnology to penetrate wood fibers deeply, creating a flexible, breathable, and waterproof barrier. Its ultra-low VOC, non-toxic formula is safe for marine environments and ideal for high-moisture outdoor wood surfaces like docks and decks, preserving natural wood beauty while preventing rot, warping, and decay.

## Description

SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls. : desertcart.in: Industrial & Scientific

## Features

- Specially Formulated to be Applied Around & Over Fresh or Salt Water
- Water-based, Low VOC, Non-toxic; Safe for People, Pets, Plants & Marine Life
- Superior Nanotechnology Penetrates Deep, Coating Wood Fibers at the Cellular Level
- Performs like an Oil-Based Sealer Without any Harmful Chemicals or Side Effects
- Creates a Flexible, Breathable Barrier that Enhances, Stabilizes & Protects Wood

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | oil based, water based |
| Brand | Seal-Once |
| Style | Outdoor |
| Item Weight | 8.8 Pounds |
| Item dimensions L x W x H | 30.5 x 30.5 x 30.5 Centimeters |
| Water Resistance Level | Waterproof |
| Item Form | Liquid |
| UPC | 850336001024 |
| Net Quantity | 3785.41 Milliliters |
| Number of Items | 1 |
| Colour | Wood |
| Surface Recommendation | Wood |
| Manufacturer | New Image Coatings, LLC |
| Model number | 7614 |
| Item Weight | 3 kg 990 g |
| Product Dimensions | 30.48 x 30.48 x 30.48 cm; 3.99 kg |
| Item model number | 7614 |
| Item Height | 12 Inches |
| Item Width | 12 Inches |
| Included Components | SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water |
| Are batteries included? | No |

## Product Details

- **Brand:** Seal-Once
- **Item Weight:** 3.99 kg
- **Item dimensions L x W x H:** 30.5 x 30.5 x 30.5 Centimeters
- **Material:** oil based, water based
- **Style:** Outdoor

## Images

![MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls. - Image 1](https://m.media-amazon.com/images/I/71meKazl2vL.jpg)

## Questions & Answers

**Q: Can it be used on green treated lumber**
A: Pressure treated lumber has to be dry.

**Q: Can you use a regular wood stain after applying?**
A: Yes the clear MARINE can be painted or stained.  Or you can purchase a tint for SEAL-ONCE and use the MARINE as a sealer and stain.

MARINE Features:
• Clear formula can be painted or stained after treatment
• Tinted formula provides additional UV protection
•  Available in 11 semi-transparent tint colors
• Eco-friendly, Non-toxic; will not harm pets, plants, people or marine life
• Ultra-low VOC, Water based
• Can be applied around or over fresh or salt water
• Flexible, breathable barrier, Stabilizes & protects wood
• Prevents warping, cupping, wood rot & decay
• Resistant to salt water spray
• Prevents mold, mildew & algae growth
• Soap and water cleanup

**Q: I want to use this on a 6x6 wood beam at the opening to my walk-in shower (floor to ceiling). No direct shower spray. Will this seal it?**
A: Yes you may use it for this specific application. As suggested in a comment down bellow, you would want to make sure that it is fully cured before using the shower. Typically it would take 48 hours to cure but it may take longer depending on the environment.

**Q: does this work for the interior of a sauna , safe to sit on?**
A: It dries to a hard, smooth finish, is non toxic and nice to look at.  Would be safe to sit on...other types of recreation may require caution.

## Frequently Bought Together

- Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
- Pro Grade, Paint Brushes, 5-Piece, Paint Brush Set: Flat & Angle Brushes for Latex and Oil Paints, Stains, Interior & Exterior Home Improvement
- Magimate Deck Brush for Applying Stain, 5-inch Paint Brush, Medium Size for Quick Decking, Fence, Walls and Furniture Paint Application, Handle Threaded for Extension Use, Multicolor

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**Shop now:** [https://www.desertcart.co.za/products/383547569-marine-1-gallon-penetrating-wood-sealer-waterproofer-and-stain-water](https://www.desertcart.co.za/products/383547569-marine-1-gallon-penetrating-wood-sealer-waterproofer-and-stain-water)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-20*