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Hey guys trying a new way to paint my heresy world eaters, I used krylon gray primer followed by gw white primer. The gw primer comes out grainy and rough, any help or suggestions? Thanks

Perhaps you were spraying too far away causing paint to dry up before landing on the model? Humidity can be a factor as well.

I just moved into A new house and had to do it outside

 Pwn'd You wrote:
The gw primer comes out grainy and rough,

Yes, yes it does. It's over-priced, inconsistent rubbish. I get better results with White Knight sprays, which are a third of the price.



Having said that, if you're determined to use the GW stuff - shake it really, really well before and during use. Don't use it on cold days, or particularly hot ones. And you need to spray from around 20-25 cm away. It's a very fast-drying spray, and so spraying from any further away, particularly on a warm day, can result in the paint starting to dry on the way to the model, which makes for a rougher finish.

I've had great results with the krylon black and grey I will try the knights spray

 insaniak wrote:

Yes, yes it does. It's over-priced, inconsistent rubbish.

This +1,000.

Honestly, with their primer and Putridy Seal, I think they constantly look for the lowest bidder. Could be wrong, but the constant back and forth in quality leads me to believe so. Honestly, the only GW branded stuff I buy are the models and some paints. Krylon is just fine for primer, and either Testors Dull Cote or even a can of matte (or satin or semi gloss, your preference) lacquer from the local hardware store beats the hell out of Putridy Steal-Your-Money.

I wouldn't use GW White primer, they just don't seem to be able to get it right. I like and am happy to pay for the black, I've not had any problems, might just be Im doing something right.

Then again the only other I have tried is the Rustoleum and AP ones, I felt both were thicker.

I think there's just something about white pigmentation - I've tried several brands (not including GW) and blacks always go on thinner and smoother than whites. Spraying closer to the model is the general remedy for grainy finishes, but from all I've heard, ditching the spray entirely might not be a bad idea.

I used a grey, almost white spray for a while, "board to pieces"

it worked like a charm until it started getting low (an issue with any spray can)

I had the same problem. I don't do much white priming, and I'm lucky to have a can of white GW primer from 2004 that primes perfect.

Outside of that, I'd do a thin coat of Army Painter white. Although it'll go on thick if you're not careful.

Shake it up man. I mean really shake that can. And if you still have those problems get a can of white primer from Michaels Crafts. Better product. And you can take some super fine, like 1000, 2000 grit sand paper to get some of the bumps off your already primed models.

As others have said, even with other brands the white primer can be tricky.
A winning strategy for me is using black primer and then applying a basecoat of white (for yellow/white) or medium grey for anything else.

Using Airbrush, the black primer with white/grey followup coat will be thinner than your generic white primer.
I use Vallejo Airbrush Primer and Vallejo Model Air Paint for this. Faster than doing it by hand and less paint consumption.

Alternatively, you could drybrush some unthinned GW white or grey on the black primer. Drybrushing is very quick and avoids gunking up your models with excess paint.

I've really wanted to get into airbrushing but I just moved into my first house after college and I'm afraid I have nowhere to spray

Shake the can for a good 5 mins or more. Then place it into a bowl of hot (from the tap) water. then shake for another 5 mins. this should allow the pigments to mix properly. the can you bought could have been standing unused for months before you bought it, and as white pigment is one of the heaviest it settles and clumps in the can. you should only have to do this once per can, Unless you leave it standing for a month or so.

Do a search for grainy primer - (in fact, there is another thread here just TODAY).

This is a common problem - it can happen to all paints.

What is basically happening is some of the in blobs of paint are starting to dry in mid air. To deal with this try to spray in different conditions, where it might not be so hot.

Also, you CAN airbrush in the house; get a vent hood, or make one (I put an big ac filter on the back side of a powerful fan, works great). A more quiet compressor helps as well.

Best of luck!