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#12527812 - 12/05/17 12:37 PM Ever painted an aluminum boat?
k.l.white Offline
Outdoorsman

Registered: 10/23/17
Posts: 25
I have an old 14' jon boat in desperate need of a paint job. What did any of you do right or do wrong painting one? Thanks!

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#12527829 - 12/05/17 12:51 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
ringer Online   content
TFF Team Angler

Registered: 02/27/08
Posts: 3746
Loc: Arizona
I painted our old Alumacraft 17' and used etching primer and two part urethane from the auto paint store. Lasted for years. I had a good spray gun and used the big compressor at my shop.

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#12527831 - 12/05/17 12:54 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
Cat finder Offline
Angler

Registered: 03/14/15
Posts: 454
Loc: Dallas, Texas
Wrong. Tried sanding with a DA down to bare metal. Shoulda just knocked the glaze off the top coat. Too much work. Long hours just to get one Side done. Ended up says nope to the other side and went to tractor supply and picked up some Majic tractor paint. Primer, hardener and top coat. If you have a lot of chips, high and low spots I suggest just having it blasted to remove the paint. Easier and cost about the same maybe less then by hand.
_________________________
If the fish don't bite your not baiting right...

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#12528786 - 12/06/17 09:56 AM Re: Ever painted an aluminum boat? [Re: k.l.white]
TXMako2201 Offline
Outdoorsman

Registered: 10/26/16
Posts: 105
just use cheap spray paint and touch it up as needed.

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#12529108 - 12/06/17 02:53 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
BADLANDER Offline
Angler

Registered: 08/05/13
Posts: 462
Loc: DENTON TX
Scotchbrite that sucker, blow off with air compressor, hand wipe it down with thinner or something comparable.
buy a decent electric sprayer and some flat paint of your choice.
make sure Boat is upside down for Painting exterior Lots easier.. paint then clean spray gun and return it to walmart.

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#12529254 - 12/06/17 04:34 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
IslandJim Offline
Angler

Registered: 07/08/14
Posts: 366
Loc: Rockport, TX
My 1959 12-foot aluminum boat had had various paint jobs in it's past. I used paint stripper, which worked a bit. I used a Scotchbrite pad on my mini-grinder to get the rest off, to bare aluminum. Sanded with 220 wet-or-dry, pickled with 50/50 vinegar-water mix(twice). Rinsed with water, dried. Primed with Zinc-Chromate Primer(NAPA). Painted with Majic spray can paint from Tractor Supply. Put a clear coat on to seal it. That was two years ago, and it's held up well in the saltwater. When I ding it, it chips, but a quick touch-up with the TS spray makes it look like new. I get a lot of compliments on my antique boat at launch ramps.

You can see my pics in the JonBoat section of this Forum under My Dad's 1959 Aluminum Boat. A lot of guys will tell you how hard painting an aluminum boat is, but it's not much different than painting any other kind of boat. If you don't do the prep work right, it's not going to look good. Simple enough. IslandJim
_________________________
I'm an Eighth Day Adventist. On the Eighth Day, God went fishing!

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#12536836 - 12/13/17 08:51 AM Re: Ever painted an aluminum boat? [Re: k.l.white]
Bulletman99 Offline
Pro Angler

Registered: 10/26/16
Posts: 513
Loc: South Texas
A friend just recently had his sprayed with a coating similar to a bedliner material. It really helped to deaden sound and is tougher than any paint.
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Bullet 20XD
JSRE Modified Merc Promax

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#12537631 - 12/13/17 06:52 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
Alumacraft 14 Offline
Angler

Registered: 02/24/06
Posts: 301
Loc: Texas
I've done over 20 jons, painted and fully modded. Here is the easiest route.

1. Take everything off the boat, wash it.
2. Apply stripper in the shade, let it do the work. Remove old paint with plastic putty knife or pressure washer.
3. Sand with orbital sander, 220 grit. Make sure surface is smooth, sand to metal. (this is the longest processes and the most critical for a good adhesion and nice appearance.) Make sure the entire boat is roughen up by sanding.
4. Pour undiluted vinegar over the sanded area, keep metal wet for 5-10 minutes, this is the etching process, removes oxidization, rinse with water. (Be ready to paint after this step). Let dry, move into shade, let metal cool to touch.
5. Paint in shade!!!. Easiest stuff to use is Duralux Aluminium Boat Paint. This paint doesn't require you to prime, which is a huge step to remove when painting aluminum! 2 coats should be good.
6. Let dry 24hrs, then cure it by parking it in full sun, use the "fingernail scratch test". Scratch in a spot with your fingernail, if paint doesn't have a mark the paint is fully cured. If it leaves a mark then cure longer.

Tip:
You can use a ultra smooth foam roller to apply, lead with a wet edge. Use foam brushes for areas rollers won't reach.
Xylene can be used to thin it from spraying purposes and for clean up. This stuff once cured is tough and can handle abuse.

PAINT


Edited by Alumacraft 14 (12/13/17 06:53 PM)

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#12538953 - 12/14/17 09:42 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
k.l.white Offline
Outdoorsman

Registered: 10/23/17
Posts: 25
Good info everyone. Thank you. I actually thought about the bed liner a couple days ago. I think I like the idea. Just need to decide if I like the budget!

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#12567896 - 01/07/18 04:29 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
martyn Offline
Angler

Registered: 10/10/06
Posts: 410
Loc: Celina, TX
Hey guys, suppose you had a brand spanking new Jon boat and didn't like the same old green color. Would you need to do any of the above prep before repainting, as long as you used the proper aluminum paint?

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#12567985 - 01/07/18 05:36 PM Re: Ever painted an aluminum boat? [Re: martyn]
Alumacraft 14 Offline
Angler

Registered: 02/24/06
Posts: 301
Loc: Texas
Scuff up the new paint lightly to remove gloss, being careful not to go down to bare metal. Then paint with a marine grade boat paint designed for aluminium.

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#12577464 - 01/13/18 09:00 PM Re: Ever painted an aluminum boat? [Re: Alumacraft 14]
martyn Offline
Angler

Registered: 10/10/06
Posts: 410
Loc: Celina, TX
What would you recommend to "scuff" the existing new paint job?

Also, would I then just apply the new paint or would I need a coat of primer first?

Thanks.

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#12581972 - 01/16/18 07:36 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
Alumacraft 14 Offline
Angler

Registered: 02/24/06
Posts: 301
Loc: Texas
I'd wet sand it with 320 or 400 grit. Primers are designed to grab onto the surface and make a good surface for the top coat to adhere to. Since your boat has been painted at the factory, I see no reason why a primer would be needed. The reason sanding the top coat is necessary is to give the new top goat something to grab onto. Gloss surfaces are smooth and top coats won't adhere well to smooth surfaces.

If your boat has any bare metal spots, they need to be sanded lightly, then sprayed with Rust-Oleum Self Etching Primer. Bare aluminum not properly etch and primed will not hold a top coat, it will flake over time.

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#12582058 - 01/16/18 08:24 PM Re: Ever painted an aluminum boat? [Re: Alumacraft 14]
martyn Offline
Angler

Registered: 10/10/06
Posts: 410
Loc: Celina, TX
Thanks for that detailed reply, I appreciate it. No bare aluminum spots on this one. It's brand new.

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#12582087 - 01/16/18 08:38 PM Re: Ever painted an aluminum boat? [Re: k.l.white]
Lifetime Angler Online   content
Pro Angler

Registered: 06/08/12
Posts: 540
Loc: Cleburne, Texas
Axalta etch primer. Then giddyup.
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Steve Westerman

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