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Paint chipping hairspray technique test

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Paint chipping hairspray technique test

Postby mangozac » Sat Sep 22, 2012 3:27 pm

So on my recent Ork Mega Dread paint up I wasn't all that impressed with the paint chipping technique of simply sponging on colours. I found that to get a good blotchiness the paint had to be left relatively thick and thus caused the chipped areas to be raised, when in fact they should be sunken.

I want to add some fuel drums and stuff to a simple diorama base for the Mega Dread and decided it would be a good chance to try out the hairspray paint chipping technique, as described in many places online and in Imperial Armour Model Masterclass Vol I.

I was very annoyed to discover that I must have disposed of any 40k fuel drums I had when I sold off a heap of terrain a year or so ago. Idiot! Fortunately a pack of Tamiya 1:35 German fuel drums/jerry cans can be bought for $10.00 at the local hobby shop so I grabbed that pack and assembled one to use as a guinea pig.

The process I used was as follows:
  1. Prime with Tamiya Surface Primer
  2. Paint the entire drum dark brown
  3. Stipple on some lighter brown over the entire drum, giving a patchy, rusty effect
  4. Give it a coat of cheap hairspray. I borrowed a can from my grandmother :P
  5. Airbrush on Tamiya flat white (thinned with isopropyl alcohol)
  6. Airbrush on Vallejo Model Colour Deep Yellow (thinned with Windex)
  7. 10 minutes after airbrushing use an old, stiff brush loaded with water to chip off the paint
Here's how it turned out:
Image

I'm quite pleased with the result! Obviously it still needs some further weathering (rust weathering powder will make a big difference) but the chipped paint effect is great. I especially love how the white coat under the yellow is visible around the chips, giving the effect of primer. You do have to be careful with the water as if you get too much on the model you can end up removing large chunks of paint (this may not be as bad if you leave the paint longer to dry before chipping).

Since this has been so successful the next step is to assemble the rest of the drums and paint them all up batch style!
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Sat Sep 22, 2012 9:55 pm

mangozac wrote:I found that to get a good blotchiness the paint had to be left relatively thick and thus caused the chipped areas to be raised, when in fact they should be sunken.


I have a solution for this also.... try it out sometime....

paint your "under color" on. most times this will be your rust colors or steel colors
clearcoat, I use gloss
sponge on Art mask.... the liquid stuff in the bottle at art stores
paint your real color
take an eraser to your mask parts
BINGO!!! Paint chips!!!

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Re: Paint chipping hairspray technique test

Postby mangozac » Sun Sep 23, 2012 9:59 am

Yeah I do have a bottle of masking fluid so I should try that out too. My only reservation is that I don't expect the masking fluid technique to give the cool primer coat effect too...
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Sun Sep 23, 2012 10:28 am

mangozac wrote:Yeah I do have a bottle of masking fluid so I should try that out too. My only reservation is that I don't expect the masking fluid technique to give the cool primer coat effect too...


you might be right.... I did not "primer" mine but if you were to shoot the primer coat I dont see why it would not do it....

And In hindsight I failed to mention that your HS technique looked ace. I love that effect. I use that myself but I find the amount I take off sometimes to be varied and not as controllable. maybe Im just doing it wrong.... :mrgreen: But the art fluid seems to have more control for me
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Re: Paint chipping hairspray technique test

Postby mangozac » Sun Sep 23, 2012 11:07 am

I'm assembling the other barrels at the moment so I'll do a test with the masking fluid next. I'm also considering the salt technique for the even more pronounced 3D effect it seems to give.

I think I'll take a mould of one of the barrels so that I can have extras more easily in the future. A single drum could be done with a single part mould, which would be quicker and easier than all of the cleanup required after you glue the two halves of the Tamiya styrene drums together and then have to fill and file the seams.

The amount you remove with the hairspray technique does take some practice. It takes a few dabs with the brush to get the chipping to start, but once it does if you have too much water you will start removing big chunks pretty quickly. I think the best tool for the job would be a number 2 brush with it's bristles all chopped off to be only a couple of millimetres long.
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Sun Sep 23, 2012 9:24 pm

mangozac wrote: but once it does if you have too much water you will start removing big chunks pretty quickly. I think the best tool for the job would be a number 2 brush with it's bristles all chopped off to be only a couple of millimetres long.


Wheres that Like button??? OH here it is!!
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Re: Paint chipping hairspray technique test

Postby mangozac » Mon Sep 24, 2012 7:16 am

That looks like a zombie like button with the tattered sleeve!
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Re: Paint chipping hairspray technique test

Postby Seb » Mon Oct 01, 2012 9:26 am

Great tutorial on how you went about this - definitely marking it in my bookmarks.

And I agree.. looks like a Zombie 'Like'
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Re: Paint chipping hairspray technique test

Postby paulson games » Mon Oct 01, 2012 1:51 pm

Come on guys it's a hairy monkey wrist. :o Although it could easily double as a zombie hand.
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Re: Paint chipping hairspray technique test

Postby mangozac » Mon Oct 01, 2012 2:50 pm

Ahh that makes much more sense Jon :P

I've assembled and painted the rust colours onto another 3 fuel drums so that I can do a side by side comparison of the three main techniques:
1. Hairspray (this time doing a better job by using a specially made brush and a toothpick)
2. Salt
3. Masking fluid (sponged on)

I'll do them one night this week and report back!
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Tue Oct 02, 2012 2:06 pm

How have I missed these posts?? LOL Thanks Paulson for the Identification!!!

And Yea I can wait to see your side by side comparison Zac!!!
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Re: Paint chipping hairspray technique test

Postby mangozac » Thu Nov 15, 2012 8:44 pm

OK I finally got around to doing the technique comparison!

I primed another three fuel drums and painted them with the blotchy brown rusty colour as used last time. Drum #1 was given a coat of some dirt cheap "Home Brand" hairspray I bought specifically for this purpose. On drum #2 I used a bit of blister pack foam to sponge on some Abteilung Liquid Mask in random rust patterns. God that stuff smells nasty!

For drum #3 I wet it under a tap and then rolled it around in some freshly ground Himalayan crystal salt. My salt grinder has a feature where you can adjust the grain size so I made sure that I had a nice variety. The water isn't the best fixative and a lot of the salt falls off, but I was surprised by how much remained.

A few days later I sprayed the colour coats: first white and then the yellow/green. Immediately afterword I began the chipping process.

This time the hairspray technique did not work very well at all. Perhaps I didn't spray a thick enough coat because the paint just did not want to chip off. I was finding that if I was too rough I was chipping all the way through to plastic, which completely ruins it. Fail.

Sorry MJ but the liquid mask technique was also a bust. I used a pair of tweezers to pick the masking off and found that it just exposed massive areas of the rust underneath in a very fake, forced looking style. I didn't like it at all. I did try to improve both this and the hairspray drum by stippling some orange onto the rust areas, but I think this actually made things worse.

By and large the best result was from the salt technique. The salt grains rubbed off easily using my fingers, leaving a very random, believable looking rust effect. The only downside is that the salt technique didn't expose enough rust due to not enough salt sticking in the first place. In light of this I think the very best technique would have to be a combination of hairspray and salt, as I've seen mentioned elsewhere. You would first spray the part with hairspray and then quickly apply the salt - the hairspray providing a better fixative than just water.

Here's the results, left to right:
Hairspray, liquid mask, salt
Image

I'm also much happier with the green colour for the drum than yellow. The problem is that that green was a random mix at the time of a standard green darkened with some grey! Oh well the next step is to drop the yellow drums into some stripper and start them again.
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Fri Nov 16, 2012 12:47 am

Your Right VERY interesting....

I also like the salt.... Very good and DEF the best of the 3.

With the mask.... It looks as if you actually used a bit much compared to what I do. I usually take it and Blot it on a bit of tissue/paper towel and then blot it on the model. This gives it a more random effect. Here is a couple of pictures to help show what I mean.
With too much you tend to get the plate on the lower left. thick spots and not a mottled effect
Image
Here is a side by side using the same sponges just less and more paint. You want the left VS the right.
Image

As for removal... I use a Very pricey piece of technical equipment that you may not be able to get in the outback.... :mrgreen:
ImageImage

This way works pretty good for me, but it might not for you. I find the hairspray problematic also, and the Salt I have had mixed success. I like the "control chaos" I have with the mask liquid though.

I will also have to do a side by side using these methods, as this has made me more interested in how to achieve different looks and find a way to suit my style!!
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Re: Paint chipping hairspray technique test

Postby mangozac » Fri Nov 16, 2012 7:30 am

Yeah I'm sure I did apply too much mask - it was just really hard to tell! At the time it didn't feel like that much! Using the "highly technical" eraser would probably help a lot too ;)

I've got the two yellow barrels soaking in some simple green now. I'll spray them up and try the hairspray and salt over the weekend - I really think this holds a lot of promise 8-)
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Re: Paint chipping hairspray technique test

Postby Munkey Joe » Fri Nov 16, 2012 4:30 pm

mangozac wrote:I'll spray them up and try the hairspray and salt over the weekend - I really think this holds a lot of promise 8-)


I actually think your right.... I think this might be the ticket as its the best of 2 methods...
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