Bottom/Top Painting-What Comes 1st? - SailNet Community
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post #1 of 12 Old 08-20-2012 Thread Starter
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Bottom/Top Painting-What Comes 1st?

I am now ready to paint my entire boat. All my prepwork is done. I will be using Interlux Brightsides for topside and West Marine Cpp plus for bottom. I want to know what should I do 1st. Do I paint the bottom 1st and then apply topside paint to delineate my waterline. Or can I apply topside paint past waterline and apply bottom paint on the way up? The reason I ask is I have an older fiberglass hull and the previous paint job was so worn I have no accurate reference where the waterline should go. Since my boat is trailerable, my logic was to paint hull with estimated waterline and then add bottom paint at the at the marina on my trailer to bring line closer to real waterline. I'm spraying the topsides, rolling the bottom. I figure spraying at the marina is not an option, but rolling is for sure. Quite a drive from home to the coast. As always, any help is appreciated. Bruce
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post #2 of 12 Old 08-20-2012
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Re: Bottom/Top Painting-What Comes 1st?

top first.

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post #3 of 12 Old 08-21-2012
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Re: Bottom/Top Painting-What Comes 1st?

Topsides first.
On a calm day, mark 2-3 inches above the water line. Go home and paint a contrasting boot strip in this area.

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post #4 of 12 Old 08-21-2012 Thread Starter
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Re: Bottom/Top Painting-What Comes 1st?

Ok, so what is a bootstripe? Do I paint it with bottom paint or topside paint? I appreciate the feedback guys...
BTW- topsides will be dark navy blue.
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post #5 of 12 Old 08-21-2012
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Get the waterline high enough as topside paint can NOT be submerged

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post #6 of 12 Old 08-22-2012
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Re: Bottom/Top Painting-What Comes 1st?

The boot stipe is the line that is between the bottom paint and the topside (side of boat) paint. The cove stripe is the line that is at the top of the topsides, near the deck. Not sure if the guy in the picture has a cove stripe or not. Note that the boot stripe would be flat as seen from the side if the boat was not heeled. Also note that to make it look right the stripe gets wider as it goes under the stern. I think some people use a laser sight to get the thing right (after finding the water line).
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post #7 of 12 Old 08-22-2012
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Re: Bottom/Top Painting-What Comes 1st?

Also, you don't want your bottom paint exposed to the air for too long after it's painted. Do the topsides, the boot stripe, the bottom paint, and then splash it.
Different bottom paints have different recommendations so check the can.


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post #8 of 12 Old 08-22-2012 Thread Starter
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Re: Bottom/Top Painting-What Comes 1st?

Ok, thanks for all the great input guys.

Another question: What type of paint for the boot stripe since it will be getting wet often? I've seen pints of topside paints that would seem to be the perfect amount for a stripe of a contrasting color.
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post #9 of 12 Old 08-22-2012
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Re: Bottom/Top Painting-What Comes 1st?

Wet often is ok with topside paint. Under water is not. I strongly recomend you prime bottom with interlux 2000e if it is clean to bare plastic. It will make your job last much longer for the cost. Bottom paint discolors when left to the air. I have used vinyl for boot stripe on smaller boats. it holds up well but over topside paint only.
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post #10 of 12 Old 08-23-2012
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Re: Bottom/Top Painting-What Comes 1st?

Quote:
Originally Posted by Bruce_L View Post
Ok, thanks for all the great input guys.

Another question: What type of paint for the boot stripe since it will be getting wet often? I've seen pints of topside paints that would seem to be the perfect amount for a stripe of a contrasting color.
Topside paint for the boot. If you look at places like Jamestown they sell small cans for the boot stripe. I've read elsewhere that tape is often used, as stated above. There are a lot of color choices for tape, but it would be nice to hear from others who have used the tape.
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