Can it be used on green treated lumber

Pressure treated lumber has to be dry.

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

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.

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.

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Marine Penetrating Wood Sealer and Waterproofer, Clear, 1 Gallon

Marine Penetrating Wood Sealer and Waterproofer, Clear, 1 Gallon

Product ID: 383547569

Details

Brand
Seal-Once
Item Weight
8.8 Pounds
Item dimensions L x W x H
22.9 x 22.9 x
Material
oil based
Style
Outdoor

🌊UV-stable marine-grade protection

♻️Eco-friendly, non-toxic formula

🛠️Deep cellular-level wood penetration

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Description

🌟 Seal the deal on wood protection—because your outdoor spaces deserve the best!

ULTIMATE MARINE DEFENSE - Protects wood from saltwater spray, UV rays, and moisture damage for lasting outdoor resilience.
VERSATILE OUTDOOR ARMOR - Perfect for decks, docks, piers, and outdoor furniture—preserving natural wood beauty while extending lifespan.
NANOTECH PENETRATION POWER - Seals and stabilizes wood fibers at the cellular level, preventing warping, rot, and mold from the inside out.
ECO CONSCIOUS WATERPROOFING - Safe for aquatic life and pets, with ultra-low VOCs and water-based cleanup for guilt-free application.
EFFORTLESS APPLICATION MAINTENANCE - Fast-drying, non-film forming formula that goes on clear and allows quick recoating to save your valuable time.

SEAL-ONCE Marine Penetrating Wood Sealer is a premium, water-based, UV-stable formula designed to protect and waterproof outdoor wood surfaces exposed to harsh marine environments. Utilizing advanced nanotechnology, it penetrates deeply to stabilize wood fibers at the cellular level, creating a flexible, breathable barrier that prevents water damage, rot, mold, and UV degradation without altering the wood’s natural appearance. Safe for use near open water and aquatic life, this fast-drying sealer is ideal for decks, docks, piers, and outdoor furniture, offering long-lasting protection with easy soap-and-water cleanup.

Specifications

ASIN	B00EQ89RYW
Brand Name	Seal-Once
Colour	Wood
Compatible Material	Wood
Customer Reviews	4.3 4.3 out of 5 stars (1,772)
Included Components	SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water
Item Dimensions	22.9 x 22.9 x 17.8 Centimeters
Item Form	Liquid
Item Weight	8.8 Pounds
Manufacturer	New Image Coatings, LLC
Manufacturer Part Number	7614
Material Type	oil based, water based
Model	7614
Number of Items	1
Number of Packs	1
Style Name	Outdoor
Surface Recommendation	Wood
UPC	850336001024
Unit Count	3785.41 Milliliters
Water Resistance Level	Waterproof

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273933CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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