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Has anyone else had issues with GW sepia shade stripping paint off of models?

I didn't brush it on hard, I was using vallejo paint, and running it through an airbrush, letting it dry for a long time and then using a brush to apply the wash.

I'm not running the wash through an airbrush...that would defeat the benefit of a wash. Sorry I wasn't clear on that. I see how it sounds that way.

What likely is happening is you are using too much air and the air is taking g the paint off.

Only thing i can think of is that your paint is not completely dry. Maybe your environment is has alot of moister or some thing that is making it take longer to dry then usual.

I've never had that happen.

I have found that you can't really effectively run a wash through an airbrush, though. It doesn't flow the way you expect it to with a brush - instead, it acts as a shader unless you really douse it (and then pooling becomes an issue).

The only kind of time I've run into what you describe is when I used a rattlecan of chrome on some necrons, and then dipped them, and turns out the polyurethane ate the chrome coat.

I'd also have you assume either your PSI is much too high and you're sandblasting the models, or the undercoat isn't dry.

 Stormatious wrote:
Only thing i can think of is that your paint is not completely dry. Maybe your environment is has alot of moister or some thing that is making it take longer to dry then usual.

This is my guess too. I make my own washes but this will happen if I don't take the time to let the paint fully dry

 hotsauceman1 wrote:
What likely is happening is you are using too much air and the air is taking g the paint off.

I don't use an airbrush to put on washes. I'm not new to painting or using an airbrush. It's definitely the wash stripping the paint off


Automatically Appended Next Post:

 Ouze wrote:
I've never had that happen.

I have found that you can't really effectively run a wash through an airbrush, though. It doesn't flow the way you expect it to with a brush - instead, it acts as a shader unless you really douse it (and then pooling becomes an issue).

The only kind of time I've run into what you describe is when I used a rattlecan of chrome on some necrons, and then dipped them, and turns out the polyurethane ate the chrome coat.

I'd also have you assume either your PSI is much too high and you're sandblasting the models, or the undercoat isn't dry.

I should have been more specific....I'm not running washes in an airbrush, that would defeat the purpose.

Then you are likely not using proper primer and the paint isn't adhering properly or you mix is off causing the paint to not settle and adhering.

You didn't say but was it just one model or a couple? It could have been a random weirdness. I've had some random issues that will pop up from time to time that can't seem to be duplicated. if it keeps happening I would do a light clear coat before applying the wash.

Airbrushed coats tend to be very thin, and get stripped quite easily. That being said, I never had any issue with applying paints or washes over airbrushed coats, including Seraphim Sepia over Vallejo. Even drybrushing isn't hard enough to strip the paint.
So I also think it has to do with paint wetness or maybe primer issues.