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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TotalBoat Wood Sealer Pre Varnish Primer for Boats & Wood - Quart

TotalBoat Wood Sealer Pre Varnish Primer for Boats & Wood - Quart

Product ID: 385213779

Details

Brand
TotalBoat
Finish Type
Gloss
Item Weight
0.95 Kilograms
Material
Wood
Recommended Uses For Product
Interior

⚡Dries quickly, no sanding needed

🌲Seals all wood types, including oily woods

🛡️UV filters protect wood fibers

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Description

🛠️ Seal it, protect it, flaunt it — the pro’s choice for flawless wood finishes!

FLAWLESS FINISH BASE - Creates a smooth, glossy surface that enhances natural grain and primes perfectly for varnish.
EFFORTLESS APPLICATION - Brush, roll, or spray on for a flawless seal without thinning or sanding.
TIME SAVING FINISH PREP - Apply multiple coats an hour apart with no sanding, speeding up your project timeline.
VERSATILE COMPATIBILITY - Works on all woods—even oily teak and plywood—preventing cracking and peeling.
ULTIMATE WOOD PROTECTION - UV filters extend finish life by shielding wood fibers from sun damage.

TotalBoat Wood Sealer is a clear, one-part primer that seals and smooths all wood types—including oily and plywood—without sanding between coats. Featuring UV filters, it prevents wood checking and varnish delamination, dries quickly, and creates a glossy base ready for 1-part varnish. Ideal for interior and exterior use above the waterline, it covers 60-100 sq ft per quart and is proudly made in the USA.

Specifications

ASIN	B01M0MZ89O
Brand	TotalBoat
Brand Name	TotalBoat
Compatible Material	Wood
Country of Publication	USA
Coverage	60-100 sq ft per quart
Customer Reviews	4.7 out of 5 stars 374 Reviews
Finish Type	Gloss
Global Trade Identification Number	00811932022400
Item Form	Liquid
Liquid Volume	1 Quarts
Manufacturer	Jamestown Distributors
Manufacturer Part Number	496580
Material	Wood
Material Type	Wood
Product Finish Type	Gloss
Recommended Uses For Product	Interior, Exterior
UPC	811932022400
Unit Count	1.0 Count

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168278CFA

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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.

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