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Old 03-04-2016, 06:36 PM   #1
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Bottom Paint number of Gallons?

For the do it yourselfer how may gallons am I looking at to do the bottom of a 41ft long by 13ft beam with 3 coats?
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Old 03-04-2016, 06:55 PM   #2
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Old 03-04-2016, 07:06 PM   #3
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My 34x12.5 ft boat was done recently with one coat at 1.5 US gallons.
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Old 03-04-2016, 07:15 PM   #4
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Interesting subject I have found different brands different rollers and different people all get different coverage per Sq Meter .And the second coat takes less than the first .



I tint the first coat darker so it makes it easier to see the coverage on the second coat then on the third coat you can pick up where u may have missed when the paint drys
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Old 03-04-2016, 08:02 PM   #5
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Good point, gaston. The type of paint matters, too. Mine was hard, not ablative.

My brand was Sea Hawk Sharkskin Blue.
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Old 03-04-2016, 09:15 PM   #6
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I plan on using a multi season hard bottom paint. just trying figure out how much to buy.
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Old 03-04-2016, 09:41 PM   #7
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Quote:
Originally Posted by Russ Borman View Post
I plan on using a multi season hard bottom paint. just trying figure out how much to buy.
What coverage dose the manufacture say ?
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Old 03-04-2016, 10:13 PM   #8
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Most paint manufactures suggest 400 sq ft per gallon of hard bottom paint at the recommended film thickness.

A boat your size should take about 1.5 gallons per coat. I think there is a tendency to put it on a little heavier than the recommended film thickness.

Use a short nap roller to avoid putting it on too thick.

Both Pettit and Interlux have paint quantity calculators on their websites.
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Old 03-05-2016, 09:50 AM   #9
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At $275.00 a gallon I understand your inquiry. 😳
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Old 03-05-2016, 10:33 AM   #10
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Thanks for the input I found a calculator looks like 3 to 4 gallons for 2 coats and a 3rd at the water line.
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