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Get the Right Amount of Paint |
Note: The following recommendations are for two coats of paint. All values are approximate
| Boat Type |
Bottom Paint |
Topside |
Topside Polyurathane |
Enamel |
Waterline |
Deck |
| 10' Dinghy |
1 qt. |
1 qt. |
|
1 qt. |
|
|
| 14' Outboard |
1-2 qt. |
1 qt. |
1 qt |
1 pt. |
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| 18' Runabout |
2 qt. |
1 qt. |
2 qt |
1 pt.. |
1 qt. |
|
| 20' Sailboat |
3 qt. |
2 qt. |
2 qt |
1 pt.. |
1 qt. |
|
| 24' Runabout |
3-4 qt. |
2 qt. |
2 qt |
1 pt. |
1 qt. |
|
| 30' Sailboat |
1.5 gal. |
3 qt |
1 gal. |
1 pt. |
2 qt |
2 qt. |
| 32' Cruiser |
1.5-2 gal. |
3 qt |
1 gal. |
1 pt. |
2 qt |
2 qt. |
| 36' Auxiliary |
2 gal. |
5 qt |
2 gal. |
1 pt. |
1 gal. |
3 qt. |
| 40' Cruiser |
2.5 gal. |
6 qt |
2.5 gal. |
2 pt. |
1.5 gal. |
1 gal. |
| 45' Sailboat |
3-3.5 gal |
8 qt |
3 gal. |
3 pt. |
2 gal. |
1 gal. |
| 50' Sportfisher |
4+ gal. |
8 qt |
3 gal. |
4 pt. |
2.5 gal. |
1 gal. |
Another way to determine bottom paint quantity is to estimate the approximate surface area of the hull below the waterline, using the following formula:
Length x Beam x .75 = Approximate Underwater Surface Area in Sq. Ft.
Each paint has a "theoretical coverage" area, but most paints require at least two coats, so you can expect actual coverage to be no greater than half of the theoretical value. |
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