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More2LifeThanMPG

  • Karma: +13/-0
School me on painting
« on: January 07, 2014, 05:53:35 PM »
So I've only ever painted with spray cans before, and my little brother has been complaining about how crappy his flat black truck looks... It's a regular cab short bed that from the looks of it someone just shot some flat black right over the whole truck, no prep, no filler, no nothing. When he washes the truck the paint literally just wipes off.
So painting 101, go.

I got the basics on sanding and laying paint with a can, how much different is it with a gun?
Is there anything different I'd need to do in the prep? Aside from learn how to bondo... Haha
What kind of gun should I use to paint a truck?
What kind of paint should I use? I think he wants to color change to a flat red.
Oh also I've never had to leave anything a flat color, what kind of protectant or over coat would I use?
Do I need to spray the truck all at once?
Do I really need to do it in a booth?

I'm sure I have more, but thank everyone in advance.


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randog

  • Karma: +6/-0
Re: School me on painting
« Reply #1 on: January 07, 2014, 05:58:13 PM »
http://www.tcpglobal.com/kustomshop/ksflatz.aspx


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ka0tyk

  • Karma: +30/-0
Re: School me on painting
« Reply #2 on: January 07, 2014, 06:09:01 PM »
if u want a flat red and low cost look into plastidipping your car.  they sell a whole kit with the HVLP gun, etc and it doesnt cost much.  prep is fairly easy... and best of all when he finally hates the flat red look, he can just peel it off.  however dont let the peeling off confuse you, it is *VERY* difficult to remove.. its not going to just fall off.







watch the video, its fairly easy to do.  masking is pretty easy as anything you dont want, you just peel off.  once the car sits out in the sun and the product fully cures, its very tough. 



removal:

« Last Edit: January 07, 2014, 06:14:52 PM by ka0tyk »
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tamsone6

  • Karma: +7/-0
Re: School me on painting
« Reply #3 on: January 08, 2014, 08:03:56 PM »
First off if you want it to look good its all in the prep, I'm sure everyone will tell you that. Spend lots of time getting it sanded, filled and masked off.

As far as body filler goes I would avoid using the "bondo" brand of anything. It is really hard to sand off and clogs up the paper making you go through lots of it. It also shrinks a lot over time and starts to crack which ends up sucking after you've spent all that time painting to only have to do it all over again. I use Evercoat rage gold filler and I love it. Once I get the filler blocked down with 80, 120, 220, 320 I spread a coat of PPG spot filler over the top of that to fill in some of the small imperfections like small bubble holes. Block that out with 320 and hit it with 3 coats of primer and sand it down with 400.

I'd probably sand off all the can stuff wipe it down with wax and grease remover and hit the whole thing with primer and then block that out with 400. It is really easy to see where you have low spots if you use a 10 or 12 inch block.

After you get that part all done wipe it all off again with wax and grease remover and start to spray on the color.
Paint the whole thing at the same time, if you do it in multiple sessions you'll end up with slightly different colors on the car. I paint all my stuff in my garage and don't have any problems with dirt and dust getting into the paint. Make sure you cover anything you don't want to have overspray on because it gets everywhere and make sure you have good ventilation. I have two windows in mine that I open and put those HVAC filters over the screens so it keeps dust out. On the other side I have a swamp cooler that blows out of the garage to get the fumes out.

Gravity feed HVLP guns are the way to go, they use a lot of air so make sure you have a big compressor that puts out quite a bit of CFM, I'd say at least 12-15 at about 90 psi. Also you'll need a pressure regulator since most guns use about 30 psi at the gun and a water separator at the end of the line where you connect your hose in. I have a paper one but I have gotten by with those bowl type deals just fine. Don't use the hose you use with your other air tools because if you oil your tools like you should you'll end up sending oil through with the paint and have it fish eye on you. Get a new hose to use only for painting.

I really like Dupont paint but it's kind of pricy. The PPG deltron is pretty good stuff and even their Omni brand isn't terrible. Get lots of quart size mixing cups, sticks, and filter cones when you get the paint, they are usually free when you buy the paint.

Lastly have something to test spray on so you can get the gun adjusted before hitting the car with the paint. Also run a strip of masking tape around the top of the gun where the cap goes on, they like to leak and drip paint out of there and that's not fun to get on the car.

I've never done a flat color so I can't help much there, sorry.
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More2LifeThanMPG

  • Karma: +13/-0
Re: School me on painting
« Reply #4 on: January 08, 2014, 08:59:45 PM »
I did think about plastidipping, but I haven't had good experiences with it in the past. It was a couple years ago when it was first really coming out but yeah.

Thank you for breaking down into details your preparation process, that helps a lot. I know preparation is the biggest thing. I plan on removing this tonneau cover and practicing on it a couple times. And I don't remember the kind of "bondo" I have used in the past, but that is very good to know.

Also I don't have a whole lot of tools as it is, I'm working on building my collection. So pretty much everything I need I will have to buy, and I don't want to spend a whole bunch of money. Yet at the same time I'd like to buy nice stuff. Is this a good gun, I mostly like that it has pretty much everything in one.
http://www.ebay.com/itm/3-HVLP-Gravity-Feed-SPRAY-GUNS-1-4mm-Auto-Car-Atd-Paint-1-8mm-Primer-1-0-Detail-/191022727110?pt=Motors_Automotive_Tools&hash=item2c79d77fc6&vxp=mtr

I have a booth at work that I'd probably be able to use but only on Sundays. So I'd probably prep the truck, drive it to the shop, and shoot it there.

Follow up question, orange peel look. How do I do my best to prevent it and when it happens how do I correct it and make it look normally? Also has anyone ever painted a flat color?


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tamsone6

  • Karma: +7/-0
Re: School me on painting
« Reply #5 on: January 08, 2014, 09:29:20 PM »
My color gun is a Sata and primer is a husky professional cheapo deal I got at Home Depot when someone returned it. I actually really like it though, sprays really well. For the price on those it maybe worth buying and checking out. If you have access to the booth can you get access to the guns too and save a few dollars there?

Orange peel happens from lots of things, paint too thick, not enough air pressure, too much air pressure, air and spray pattern knobs not adjusted right on the gun, holding the gun too far away... Ect.

A little orange peel is always going to happen no matter what and the only way to get rid of it is to sand it out. Now you can minimize it by making sure you're gun is spraying right before you even start by having something to throw down some paint on first, I have an old fender I use lol.

Again I don't know about finishing a flat color but something I do to help the paint go on flat is after I get my base and a few coats of clear on I sand it flat with 1000 and then lay the last few coats if clear on. Lays out much more smooth that way.

Some of the stuff I've painted. Boat I just did o


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tamsone6

  • Karma: +7/-0
Re: School me on painting
« Reply #6 on: January 08, 2014, 09:35:18 PM »
Pics that didn't attach before.
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More2LifeThanMPG

  • Karma: +13/-0
Re: School me on painting
« Reply #7 on: January 08, 2014, 10:12:11 PM »
I work for a heavy equipment company and we have a booth at our yard, but all the tools are the guys. I haven't actually talked to the painters, mostly because I don't speak but a couple words of Spanish.

Yeah I have been reading up on different paint technics and what not, there is so much out there it just seems like trial and error for what works best for you. I did read your thread on painting the boat, it came out real nice.


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rush1

  • Karma: +18/-0
Re: School me on painting
« Reply #8 on: January 08, 2014, 10:18:02 PM »
I painted my motor home in my buddy's barn

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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #9 on: January 08, 2014, 10:25:00 PM »
This is my first paint job. The boat then did a couple Harleys and my Camaro. Painting with 2 stage base coat clear coat was really forgiving once you get your base laid down. I would lay down a couple of clear coats and wet sand it with 1000 the I could lay down any graphics I wanted with out tape pulling the paint or have pin striping done and lay down 2/3 coats of clear and color sand and buff. They make a clear that finishes flat I've never used it but you can't sand any problems out like you would a glossy clear. On the Harley tank I laid down the base cleared it and hit it with 1000 wet sand the taped out the flames (ghost flames) I would buy pearl in a powder form and mix it with the clear. Pull the tape and wet sand with 1000 then clear entire tank with a couple wet coats and color sand and buff. I was always nervous about pulling tape that's why I would alway clear and wet sand in between different colors or graphics. I'll post pics next because it won't let me post all at once.


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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #10 on: January 08, 2014, 10:28:02 PM »
Won't post photos right now.


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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #11 on: January 08, 2014, 10:34:02 PM »
Bike car boat.


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ka0tyk

  • Karma: +30/-0
Re: School me on painting
« Reply #12 on: January 08, 2014, 10:35:35 PM »
Gravity feed HVLP guns are the way to go, they use a lot of air so make sure you have a big compressor that puts out quite a bit of CFM, I'd say at least 12-15 at about 90 psi.

this is something that shouldnt be overlooked.  i tried to save money and use a small air compressor when i painted one of my mustangs and it couldnt keep up with a HVLP gun.  the air started getting hot from the compressor running non stop and it affected my spray pattern, etc.  pressure changed and thus the result looked different about 1/4 way through the car and it was difficult to be consistent.  go big on your air compressor, its one of those "too big is still too small" things in the garage. 
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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #13 on: January 08, 2014, 10:42:06 PM »
I say a 60 gallon minimum.


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rush1

  • Karma: +18/-0
Re: School me on painting
« Reply #14 on: January 08, 2014, 10:47:37 PM »
Yeah the bigger the compressor the better

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tamsone6

  • Karma: +7/-0
Re: School me on painting
« Reply #15 on: January 08, 2014, 10:54:32 PM »
Yeah 60 gal is probably fine... I don't like those single stage air pumps they put on a lot of the compressors in that size range. Two stage pump is the way to go, use more hp but pump out a lot more air and higher pressures, most of them are much less loud too.

Since you have the booth you don't have to worry about that though. Definitely something to think about when you're looking to get your own stuff.

Lots of those items are high price but if you get a cheap one you'll just spend more replacing it later on. IMO tools are a life long investment and paying for quality pays off in the long run.


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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #16 on: January 08, 2014, 11:00:29 PM »
IMO use a quality gun to lay your base and clear a cheaper one is ok for your primer. And treat them like a fine woman!!!! My Davilbis gun looks like its never even been used. Stay away from the cheap stuff and completely dissemble and thoroughly clean with every use!!!!!


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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #17 on: January 09, 2014, 12:26:30 AM »
Car. Should of never sold that one (frickin idiot) !!!!!!


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Jet Boat Maloney

  • Karma: +9/-0
Re: School me on painting
« Reply #18 on: January 09, 2014, 12:31:30 AM »
All this painting talk got me wanting to paint my boat!!!!!


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More2LifeThanMPG

  • Karma: +13/-0
Re: School me on painting
« Reply #19 on: January 09, 2014, 07:54:33 PM »
Yes I consider tools a life time purchase, as well. I have been know to buy cheapo stuff, really who hasn't. Some times it works out, other times you end up spending more than if you would have just done it right the first time.

Holy cow, a 60 gallon compressor... I was thinking of using my Dads portable 10 gal. Looks like I will have to use the booth, because there is no way I'm dropping that kind of money on a compressor. Even more so when I have no room to put it. I already take up half my Dads garage and 3/4 quarters of his side yard. Haha

I will have to start really looking for stuff and get him serious about painting his truck. He doesn't have a whole lot of money, so I'll have to help him out a little. So there will be a balance between quality and price. I've been itching to really paint something, though.

As for as materials and tools; what are some good quality brands. I don't need top of the line just good and workable, obviously I'm not an expert and need stuff that is fixable.
As far as sanding boxes, what are good sizes to have and use?
Filler, they aren't all the same and they don't all work will on the all surfaces. Most of the truck is metal but there is fiberglass also.


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ka0tyk

  • Karma: +30/-0
Re: School me on painting
« Reply #20 on: January 09, 2014, 08:33:02 PM »
you can always do all the prep work and primering with lower end tools and compressor since you'll be sanding much of it away and focusing on getting things smooth.  thats where most of the cost comes from painting and then going to one of those earl schieb places to have them tack the car and spray the final single stage paintjob (im guessing single stage as you're trying to keep costs low).  you'll get away with a 10 gal compressor and a decent gun for primering and doing all your guide coats and block sanding and final wetsanding.  plus you can remove all the trim, etc so that the painter can focus their time on doing actual painting and not prep.  but without a proper booth and an area to cure you'll get all kinds of bugs and hairs in your paintjob. 
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rush1

  • Karma: +18/-0
Re: School me on painting
« Reply #21 on: January 09, 2014, 09:05:21 PM »
Dude dive in both feet go for it if you screw it up you know what not to do .You can always sand it down and start over

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More2LifeThanMPG

  • Karma: +13/-0
Re: School me on painting
« Reply #22 on: January 10, 2014, 06:08:11 PM »

Dude dive in both feet go for it if you screw it up you know what not to do .You can always sand it down and start over

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This wouldn't be such a problem if it was my car that I was painting... I like to research and look into things first and then start trying. My brother on the other hand is scared to even crap in a public place. He has a little bit of an anxiety issue...


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rush1

  • Karma: +18/-0
Re: School me on painting
« Reply #23 on: January 10, 2014, 08:24:45 PM »
Lmao I hear ya my point is the worst thing that could happen is you have to sand it off and start over go buy some used fenders at a junk yard and practice. Go on amazon and buy some how to paint and do body we or books that's how I started

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More2LifeThanMPG

  • Karma: +13/-0
Re: School me on painting
« Reply #24 on: January 10, 2014, 09:17:07 PM »

Lmao I hear ya my point is the worst thing that could happen is you have to sand it off and start over go buy some used fenders at a junk yard and practice. Go on amazon and buy some how to paint and do body we or books that's how I started

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That's funny that you say that, I have an all ford junk yard right next to my work and I went over there on lunch to check out some practice materials. I have some sanding blocks on over and looking into a copy of paint guns.


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