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Old 01-15-2016, 01:52 PM   #1
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Painting with Aerosol Cans

Over the 30 year life of my Mainship, many changes have occurred on my FlyBridge dashboard. I have epoxied many small holes and scratches. What I would like to be able to do is to paint the dash area before I install an new instrument Panel.
I no longer have a shop with tools and spray equipment. I called Rustoleum and they told me that their primer with their auto enamel will be compatible with epoxy and gelcoat.

I know how to use aerosol cans for touch-up but never used it for an anything large.

QUESTION: has anyone here ever painted part of their boat with aerosol cans and how professional were the results?
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Old 01-15-2016, 02:10 PM   #2
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Another option would be to pick up a Preval Sprayer and use a good Marine topside paint (interlux etc.). These would work just like a spray can but allow use of a higher quality paint...

https://preval.com/
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Old 01-15-2016, 02:23 PM   #3
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Sounds like great idea. Have you used it?
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Old 01-15-2016, 03:28 PM   #4
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I would stay away from spray cans and just use a small paint roller and tip off with a good quality paint brush . I have seen fantastic finish achieved with this technique .



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Old 01-15-2016, 05:40 PM   #5
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And I've seen/done very nice spray jobs with spray cans and Prevals. So as usual, YMMV.
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Old 01-15-2016, 06:22 PM   #6
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I know someone who painted a whole car with spray cans, car was used in rally competition so it didn`t need to be perfect (and was liable to need work again), but it looked good. Probably needs less extensive time consuming masking up too.
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Old 01-15-2016, 06:33 PM   #7
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Greetings,
One of the "problems" with rattle cans (spray cans) is the solids content. Lots of solvents and propellants but as I mentioned, short on solids and solids are what covers and imparts longevity to a coating. I concur with Mr. g. as to rolling and tipping. You're going to have to mask off in any case and unless done where there is NO breeze, you'll have over spray with a rattle can or gun.
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Old 01-15-2016, 07:04 PM   #8
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A owner next to me painted a panel on his Gibson houseboat a few years ago and it still looks fine. He used spray cans that were mixed to match his paint by a auto parts store. The panel faces southeast and catches a lot of sun.


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Old 01-15-2016, 07:53 PM   #9
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It's possible to do a good paint job with spray cans. It's not the cans, it's the talent and experience of the person pushing the button. Or lack thereof.


Use quality paint, not the $1 per can stuff.
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Old 01-15-2016, 08:48 PM   #10
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I've sprayed touch up areas with the Preval using paint and gelcoat. I practiced on a throw away flat surface after I mixed the right consistency without the spray being to thin or thick. I'd challenge anyone to find the repairs.

https://preval.com/
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Old 01-15-2016, 08:54 PM   #11
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Quote:
Originally Posted by Larry M View Post
I've sprayed touch up areas with the Preval using paint and gelcoat. I practiced on a throw away flat surface after I mixed the right consistency without the spray being to thin or thick. I'd challenge anyone to find the repairs.

https://preval.com/
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Old 01-15-2016, 09:46 PM   #12
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recommend using the clip on handle built for spray cans. I have painted 90 roll up doors using Rustolum employing such a handle. Makes the job professional in appearance and sure easy on the lack of using one's thumb for a long period of time.

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Old 01-15-2016, 11:01 PM   #13
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Large areas w spray cans is not very inexpensive.
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Old 01-15-2016, 11:25 PM   #14
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My dad painted many repairs back in the day on his fiberglass boats with near perfect results. As stated above it's more the skill of the painter than the device that applies it. Larry makes a great point about practicing on a piece of scrap prior to showtime. You have good DIY skills Tony so this should look great when you are done.

Another vote for the preval.
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Old 01-16-2016, 12:47 AM   #15
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I spray painted the mast on my NT with a rattle can.
It was flaking off so I used a wire wheel to remove the old paint and then primed and sprayed.
Looked really good and 1.5 years later, still hasn't peeled.

Another option is to purchase an HVLP spray gun from Harbor Freight and borrow a compressor. I've sprayed tons of Rustoleum oil based paints cut with acetone thru those guns and they do a really nice job. The gun less than $20 on sale.
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Old 01-16-2016, 05:28 AM   #16
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Quote:
Originally Posted by manyboats View Post
Large areas w spray cans is not very inexpensive.
Ah...Eric, a dashboard is not exactly a large area, I would think.
I also take the point re the suggestion of a clip-on spray can handle, which I presume makes the holding and the depression of the spray knob much easier on the fingers, as I've done a bit of spray can painting, and it's hard on the fingers, and your fingertip sometimes interferes with the spray, causing droplets.
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Old 01-16-2016, 07:50 AM   #17
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Rattle cans work great for primer.

A top coat can be fine over a modest area.

One trick is to purchase the cans from the same case , which usually ashures constant color.

For a hull or big area Roll & Tip , but for the rest a rattle can is great!
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Old 01-16-2016, 08:18 AM   #18
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Quote:
Originally Posted by Larry M View Post
I've sprayed touch up areas with the Preval using paint and gelcoat.
https://preval.com/
Another vote for Prevalent...
I've used it w Awlcraft primer and it worked very well

For other general painting I've had good luck w cans of engine enamel.
Colors are limited but if a basic color works it has a high solids content, dries fast and sprays uniformly.
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Old 01-16-2016, 08:36 AM   #19
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I just googled the site of Prevale.
They don't say how it works.
What are you buying? An "empty" aerosol can that allows paint to be added?
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Old 01-16-2016, 08:48 AM   #20
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I just googled the site of Prevale.
They don't say how it works.
What are you buying? An "empty" aerosol can that allows paint to be added?
I checked as well. I get the same impression that you did. Something that will spray your own paint (which is good because you can get color matched paint). Apparently you buy new pressure cylinders when needed.

This may or may not be less expensive than off the shelf quality spray paint. It would seem to be pretty good for small jobs and I suppose it would spray gelcoat.

For the folks who have used this, how about some practical information?
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