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TotalBoat Topside Primer is a premium marine undercoat compatible with one-part and two-part topside finishes. Intended for use above the waterline, it can be sprayed, rolled, or brushed prior to painting with polyurethane or enamel topside paints.
Use on wood, fiberglass, gelcoat, & over previously painted materials. This single-part, high-solids primer requires only a single coat, dries quickly & sands easily. Thin with TotalBoat Special Brushing Thinner 100 when brushing, and TotalBoat Spray Thinner 100 when spraying. TotalBoat Topside Primer comes in White or Gray in Quarts and Gallons.
We recommend this primer with our TotalBoat Wet Edge Topside Paint, available in 21 brilliant colors.
IMPORTANT: Stir primer continuously for five minutes before use.
| Vehicle Type | Phenolic Modified Short Oil Alkyd |
|---|---|
| Application Method | Brush, Roll or Spray |
| Number of Coats | 1-2 coats |
| Dry Film Thickness (per coat) | 1-2 mils |
| Wet Film Thickness (per coat) | 3 mils |
| Application Temp | 50-90°F |
| Application Humidity | 0-90 % |
| Dry Time (to touch) | 1 hour @ 50°F 30 mins @ 70°F 10 mins @ 90°F |
| Dry Time (to overcoat) | 4 hours @ 50°F 2 hours @ 70°F 1 hour @ 90°F |
| Coverage | 350-400 sq ft/gal |
| Finish Sheen/Gloss | Flat (5-10°) |
| VOC | < 358 grams/liter |
| Flash Point | 1° |
| Solids (by weight) | 61-64 % |
| Solids (by volume) | 42-45 % |
Preparation & Application Tips
Preparation is the key to good-looking, long-lasting, results. A properly prepared surface is clean, solid and dry. Do not paint immediately after rain, during foggy weather or when the temperature is below 50 degrees Fahrenheit.
If brushing/rolling, thin 5-10% with TotalBoat Special Brushing Thinner 100, if desired, and use a foam roller or firm polyester brush, for best results. If spraying, thin 10-20% with TotalBoat Spray Thinner 101, if desired. Avoid lap marks by not painting in direct sunlight and by coating sections of the surface either down or across hull to natural breaks, maintaining a wet edge.
If your edge begins to dry or you see that you missed a spot and the primer is already setting up, allow it to dry completely before touching up that area.
Do not lather on primer too thickly or you will compromise all flexible adhesion characteristics that make TotalBoat Primer one of the industry's leading one-part undercoats. Dry Film Thickness (DFT) should be 1-2 mils.
Technical Information
Features
- High-performance, one-part primer
- Fast drying
- Non-lifting
- Lead and chromate free
- Rust inhibitive
Thinning and Cleanup
- Thinning (Brush/Roll Application): TotalBoat Special Brushing Thinner 100
- Thinning (Spray Application): TotalBoat Spray Thinner 101
- Cleanup: TotalBoat Special Brushing Thinner 100, TotalBoat Spray Thinner 101, or TotalBoat Dewaxer & Surface Prep
WARNING: This product can expose you to chemicals including titanium dioxide, ethylbenzene, silica crystalline, and cumene, which are known to the State of California to cause cancer, and n-methylpyrrolidone, which is known to the State of California to cause developmental toxicity. For more information, go to www.P65Warnings.ca.gov
Reviews for TotalBoat Topside Primer
November 5, 2022
Verified Purchase
I used the product as the setup for a two-coat application of Wet Edge Topcoat Paint. This primer was very easy to use, and it appeared to be a nice setup for the Wet Edge. I applied it as the primer coat on a fiberglass repair project. The Wet Edge Topcoat paint that went over the primer coat achieved an excellent finish and appearance.
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October 13, 2022
Verified Purchase
I got good coverage a little goes a long way
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July 26, 2022
Verified Purchase
Restored a very damaged sliding board and it turned out great
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July 19, 2022
Verified Purchase
Worked good, a little thin but I didn't need to be fussy as it was going under Total Tread.
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July 12, 2022
Verified Purchase
Nice thick primer. I always thin it out a bit with TB Brushing Thinner 100. Dries real hard within a few hours, and I light sand it the next day before applying topside paint. Goes on well with 1/4 in. rollers from big-box stores. I use a chip brush for the cracks and corners. Topside paint sticks well to this primer after a light sand with 220 grit or 320 grit paper.
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June 12, 2022
Verified Purchase
I used this Primer, , on drawer- cabinet fronts of a mid-century Dresser. Dries fast..and super durable and Protective.. perfect for Pre- Painting almost anything! LR
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June 9, 2022
Verified Purchase
I used it as a primer for total wet edge
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May 19, 2022
Verified Purchase
Product performed well - most importantly the technical advice I received in the purchasing process was spot on... thanks!
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May 13, 2022
Verified Purchase
my problem, not yours, I needed to pay attention to size/quantity of what I was buying. I did get what I asked for. Got it promptly.
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May 8, 2022
Verified Purchase
Be sure to mix thoroughly, this is thick! Helpful to fill in minor imperfections then sand before top coating.
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