painting watercraft (jet skis) ???s - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-22-2006, 04:05 PM
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painting watercraft (jet skis) ???s

a guy contacted me about painting a couple of fresh water jet ski bodies.

i said o.k. so now i better get it straight...

what if any considerations do i need to take concerning materials etc???

what about anything else??

any experience??

thanks.

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Old 02-22-2006, 05:28 PM
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your gonna want a marine grade paint, there normally an oil base enamel, you might want to get some type of adhesion promoter for the fiberglass ( cannot sand it ), the paint store would tell you what you need, and you would need to replace the registration # on the watercraft, which can be got at the local west marine, or any marine supply, but write the ## down, it stays with the watercraft forever, unless it leaves that state, when it is issued a new #. the number might look lik NY 3398 BA. my dad painted his old boat ( '73 Starcraft Cheiftan Mark 5 ) but it is aluminum.
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Old 02-22-2006, 05:48 PM
 
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I painted the hoods on my skis with base/clear about 2 years ago and they are still fine. I did the hulls too but used the proper color gelcoat from Seadoo (which doesn't need a PVA coating). Then color sanded and buffed it. You can sand the hulls and will have to. You know, if he just wants them freshened up, I had good luck just color sanding and buffing the topside white areas. Some pretty deep scratches were removed. All discloration was gone.

Larry
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Old 02-22-2006, 09:25 PM
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You definately don't want to use an oil based enamel. You can use any quality automotive paint but Imron or even Awlgrip would be better. They will have better abrasion resistance for the hull when trailering or lifting on a boat lift. I wouldn't even consider anything that isn't 2 part (includes hardener).
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Old 02-23-2006, 05:22 AM
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From my understanding you can use one of two things...

1. you can use a single stage urethane for the ski's as I have read here before that ss is used for airplanes and water craft. As i remember, it is supposed to hold up better like on the lower part of an engine near the prop where it gets beat up and is always in the water

or

2. You can use a HS poly urethane clear... They are much more pliable than acrylic and hold up well... You can look at my gallery and see that I have done an 18 foot boat last year with southern poly urethanes ( SPI ) HS Clear, part # 3001 series... it was in the lake from July to end of season and never had one issue... I sealed everything with spi epoxy before I began and kicked ( acitvated) the base to make it more durable as well...
You can look here at the products i have spoke of

www.southernpolyurethanes.com




Pic of the boat

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Old 02-23-2006, 10:21 AM
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I used Polyurethane on my aluminum boat after epoxy primer.
It was "Kirker" brand "white"
Polyurethane is what "Imron" is, if you've heard of that.
(Not to be confused with urethane clears.)
It comes in a gallon can with 3 quarts of paint in it,
leaving room for the additional 1 quart of hardener.
I didn't clearcoat it.
This stuff is the toughest paint I have ever used, it really is hard
to chip off. My boat takes a beating and it is holding up great.
It sprays like water so be careful, it loves to run.
But for durability the polyurethane is awesome.
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Old 02-23-2006, 10:43 AM
 
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Quote:
Originally Posted by jcclark
I used Polyurethane on my aluminum boat after epoxy primer.
It was "Kirker" brand "white"
Polyurethane is what "Imron" is, if you've heard of that.
(Not to be confused with urethane clears.)
It comes in a gallon can with 3 quarts of paint in it,
leaving room for the additional 1 quart of hardener.
I didn't clearcoat it.
This stuff is the toughest paint I have ever used, it really is hard
to chip off. My boat takes a beating and it is holding up great.
It sprays like water so be careful, it loves to run.
But for durability the polyurethane is awesome.
Are you guys talking about painting below the water line or
above it?

I have the tech sheet on Imron and it says "not recommended
for immersion service"
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Old 02-23-2006, 02:34 PM
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I am referring to paint above and below water line, however I should have mentioned that Barry told me it would not be good to leave the boat in the water all the time using the HS clear... this could pose a problem... dont know what problem...as the boat goes in and out of the lake...so I did not ask and we did not discuss it...

Regarding the ss, i read on here in another thread last year about using ss coatings for air planes and watercraft..
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