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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
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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May 4, 2022
Verified Purchase
I like the other products I've purchased from Jamestown but I would not purchase this primer again.
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April 17, 2022
Verified Purchase
I am preparing to do a complete topside paint job and wanted to do a small sample for experience. I laid up a 2x2 sheet of fiberglass, sanded and faired for the primer coat. The primer lays down in a thick even coat and was easy to sand before painting. It does cover the small imperfections that may have been missed from fairing. Great product and excited to get to the topside project.
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April 12, 2022
Verified Purchase
This primer is a mixed blessing. On the one hand it goes on thick and so fills in minor defects. But it dries too fast and, if rolled, isn't smooth when done so you have a lot of sanding to do before top coat. And it sands harder than the automotive primers I switched to. All in all I would not purchase again. I'd use a high quality automotive primer.
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April 8, 2022
Verified Purchase
I like it and for that reason you should buy it too
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December 8, 2021
Verified Purchase
Great primer
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