Can this be used under water?

Hey there, Thank you for reaching out. It technically can be used below the waterline but it's not recommended if the boat will see > 24 hours of submersion at a time

The label says it is "uv stable", what does that mean? does it provide uv protection?

Yes. Based on the description from Jamestown this is thinned varnish. Varnish has good UV protection but nothing last forever in the sun which is why varnish requires another couple coats every year. This is meant for the first couple of coats in about an 8 coat varnish job. Least that is how I use it. Your option is to thin your own or I have enough varnishing from bare wood that I bought this for convenience for the first couple coats then following with in my case Lust varnish also from Jamestown. I really like the Lust since I can overcoat again in about an hour versus a day for the other varnishes I had been using. Good luck!

Can total boat epoxy be used over the top of this?

I would not put epoxy over any sealer. ......

Is it a oil base water sealant or a stain coloring? What are the ingredients?

It is oil based and delivers a relatively clear coat that fills the wood grain quickly in preparation for varnish. However, you can add a solid stain directly to the sealer to get the “color” you desire.

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Wood Sealer TotalBoat

Product ID: 712517018

Details

Brand
TotalBoat
Finish type
Gloss
Liquid volume
1 Quarts
Material
Wood
Recommended uses for product
outdoor

⚡Fast drying, no sanding

🌲Seals all wood types

🛡️UV-filtered protection

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€ 125.52

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Description

🛠️ Seal it, skip the wait, and shine like a pro!

INDOOR OUTDOOR USE - Durable enough for marine and home projects above the waterline.
FLAWLESS FINISH READY - Creates a smooth, glossy surface that enhances natural wood grain.
EFFORTLESS APPLICATION - No sanding between coats saves you hours and hassle.
VERSATILE COMPATIBILITY - Seals oily woods like teak and plywood flawlessly.
ULTIMATE WOOD PROTECTION - UV filters prevent cracking and varnish delamination for lasting beauty.

TotalBoat Wood Sealer is a clear, fast-drying primer that seals all wood types—including oily and plywood—without sanding between coats. Enhanced with UV filters, it prevents wood cracking and varnish peeling, creating a smooth, glossy base ready for varnish application. Ideal for indoor and outdoor use, this American-made sealer delivers professional-grade protection and finish, saving time while elevating your wood projects.

Specifications

ASIN	B01M0MZ89O
ASIN	B01M0MZ89O
Best Sellers Rank	#85,470 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #509 in Hardware Sealers
Brand Name	TotalBoat
Compatible Material	Wood
Coverage	60-100 sq ft per quart
Customer Reviews	4.7 4.7 out of 5 stars (373)
Customer reviews	4.7 4.7 out of 5 stars (373)
Date First Available	22 March 2025
Finish Types	Gloss
Global Trade Identification Number	00811932022400
Is Discontinued By Manufacturer	No
Item Form	Liquid
Liquid Volume	1 Quarts
Manufacturer	Jamestown Distributors
Manufacturer	Jamestown Distributors
Manufacturer Part Number	496580
Manufacturer reference	496580
Material Type	Wood
Package Dimensions	11.68 x 10.92 x 10.92 cm; 953 g
Recommended Uses For Product	outdoor
UPC	811932022400
Unit Count	1.0 Count

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€ 125.52

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered 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 Belgium.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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