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Seal-OnceMARINE - 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.

Seal-OnceMARINE - 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.

Q: Can it be used on green treated lumber

Pressure treated lumber has to be dry.

Q: Can you use a regular wood stain after applying?

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?

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?

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.

4.3/5

Product ID: 455148055

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Details

Material
Water Based
Brand
Seal-Once
Style
Outdoor
Item weight
3.99 kg
Item dimensions L x W x H
30.5 x 30.5 x

🌊Marine-grade saltwater & mildew resistance

💧Waterproof barrier up to 300 sq ft

☀️UV-stable coating for sun protection

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

Description

🌟 Seal your space with marine-grade magic—because your wood deserves the best!

ECO FRIENDLY SAFE - Water-based, ultra-low VOC formula that’s non-toxic to aquatic life, pets, and plants—protect your wood without compromise.
ALL IN ONE WOOD SAVIOR - Seals, stains, and waterproofs in a single fast-drying liquid application—no extra steps, no mess.
EFFORTLESS MAINTENANCE - Easy soap-and-water cleanup with a clear finish that preserves natural wood color and extends lifespan up to 300 sq ft per gallon.
ULTIMATE OUTDOOR ARMOR - Creates a flexible, breathable shield that penetrates wood fibers at the cellular level for long-lasting protection.
MARINE GRADE DURABILITY - Specifically engineered to withstand harsh saltwater spray, mildew, and constant moisture on docks, decks, and outdoor furniture.

Seal-Once Marine Premium Wood Sealer is a 1-gallon, water-based, clear liquid formula designed to protect outdoor wood surfaces from water damage, UV rays, and saltwater exposure. It penetrates wood fibers to create a flexible, breathable, and mildew-resistant barrier, covering up to 300 square feet per gallon. Safe for aquatic environments and easy to clean, it combines sealing, staining, and waterproofing in one fast-drying application.

Specifications

Manufacturer	New Image Coatings, LLC
Part Number	7614
Product Dimensions	30.48 x 30.48 x 30.48 cm; 3.99 kg
Item model number	7614
Size	1 Gallon
Colour	Clear
Style	Outdoor
Finish	Liquid
Material	Water Based
Item Package Quantity	1
Coverage	300 square feet
Special Features	Water Resistant, UV Resistant, Marine Mildew Resistant
Included Components	SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water
Batteries included?	No
Batteries Required?	No
Item Weight	3.99 kg

Have a Question? See What Others Asked

Can it be used on green treated lumber

Can you use a regular wood stain after applying?

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?

does this work for the interior of a sauna , safe to sit on?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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¥69872

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