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TotalBoat Underdog is a dependable, solvent-based, single-season antifouling bottom paint that provides outstanding protection against barnacles and other antifouling pests, at a very affordable price, and in all water conditions. Ablative technology allows the surface to polish away over time, minimizing paint build-up and releasing fresh layers of biocide as the season progresses. This ablative action works most effectively on boats that are used on a regular basis. Underdog's durable finish also stands up well to scrapes from beaching and trailering.
It has excellent adhesion on fiberglass, wood, steel, iron and most existing bottom paints that are in good condition.
Sold in Gallons, in Black, Red, or Blue.
Each order includes a free roller & metal tray kit, paint suit, abrasive pad, 1 roll of painter's masking tape, & two 10" stir sticks (a $10 value!).
| Specifications | Underdog Antifouling Paint |
|---|---|
| Thinning (Brush/Roller Application) | TotalBoat Special Brushing Thinner 100 |
| Thinning (Spray Application) | TotalBoat Spray Thinner 101 |
| Cleanup Solvent | TotalBoat Special Brushing Thinner 100 or TotalBoat Spray Thinner 101 or TotalBoat Dewaxer & Surface Prep |
| Surface Prep Solvent | TotalBoat Special Brushing Thinner 100 or TotalBoat Spray Thinner 101 or TotalBoat Dewaxer & Surface Prep |
| Primer (Bare Fiberglass / Bare Steel / Iron) | TotalBoat TotalProtect Epoxy Barrier Coat Primer for fiberglass and steel (not for use on aluminum) |
| Coverage | 500 sq. ft. per gallon |
| Number of Coats | 2 |
| Recommended Roller | 3/16'' nap or foam solvent-safe roller cover |
| Spray Equipment | Airless or conventional |
Technical Information
Underdog Features
- Economical marine antifouling paint.
- Excellent protection against barnacles in all water conditions.
- Durable finish resists abrasion from trailering and beaching.
- Easy to apply by brushing, rolling, or spraying.
- Apply to properly prepared fiberglass, wood, steel, iron, and previously painted surfaces in good condition.
WARNING: This product contains a chemical known to State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Reviews for TotalBoat Underdog Bottom Paint
June 6, 2023
Verified Purchase
As advertised Fast delivery
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June 4, 2023
Verified Purchase
I just painted my boat with TB and am pleased with the application and color. The test will be to see how well it holds up when Autumn comes.
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May 13, 2023
Verified Purchase
Good bottom paint at half the price of the expensive one.
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May 5, 2023
Verified Purchase
Its my first time with this paint, so we'll see how it wears. It went on well for the most part. Certain areas required a second coat once the first coat tacked up. The foam brushes that come with the paint are useless, but that was anticipated.
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March 28, 2023
Verified Purchase
Keeps the boat bottom critter free!
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February 1, 2023
Verified Purchase
I was recommended this product and I could not happier. As it was my first time doing a bottom on a boat I did not know what to expect. All in all, the product went on very well. Coverage was excellent. I would use again.
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May 11, 2022
If you order it through Amazon, you don't get all of the extras. Very disappointed. Now i have to buy it all separately.
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May 3, 2022
Verified Purchase
Great product, good price, fast delivery. Works well and covers as expected
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April 18, 2022
Verified Purchase
Used for 3 seasons in Chesapeake bay. Seems to work as good as the higher priced paints. Also the kit gives you everything you need.
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April 18, 2022
Verified Purchase
painted bottom of 22 ft sisu went on great first time use let you know how it holds up after season
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