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

🌞Built-in UV filters for lasting protection

🛥️Seals & primes all wood types

€ 263.16

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Description

🛠️ Seal it, shine it, own it — the ultimate wood primer for pros who demand perfection!

UV DEFENSE BUILT IN - Protects wood fibers from sun damage, extending varnish life and vibrancy
EFFORTLESS APPLICATION - No sanding between coats and quick drying speeds up your project timeline
FLAWLESS FINISH EVERY TIME - Creates a smooth, glossy base that enhances natural wood grain and color
UNIVERSAL WOOD COMPATIBILITY - Seals all woods including oily and plywood varieties, preventing cracking and peeling
VERSATILE USE ABOVE WATERLINE - Perfect for both interior and exterior wood surfaces on boats and beyond

TotalBoat Wood Sealer is a clear, one-part primer designed to seal and prepare all types of bare wood—including oily woods like teak—before varnishing. It dries quickly without sanding between coats, contains UV filters to protect wood fibers, and creates a smooth, glossy surface that enhances natural grain. Ideal for interior and exterior use above the waterline, this USA-made sealer prevents wood checking and varnish delamination, ensuring a durable, beautiful finish every time.

Specifications

ASIN	B01M0MZ89O
Brand Name	TotalBoat
Compatible Material	Wood
Country of Publication	USA
Coverage	60-100 sq ft per quart
Customer Reviews	4.7 4.7 out of 5 stars (376)
Global Trade Identification Number	00811932022400
Item Form	Liquid
Item Weight	0.95 Kilograms
Liquid Volume	1 Quarts
Manufacturer	Jamestown Distributors
Manufacturer Part Number	496580
Material Type	Wood
Product Finish Type	Gloss
Recommended Uses For Product	Interior, Exterior
UPC	811932022400
Unit Count	1.0 Count

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€ 263.16

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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