Painting Thread, Varnish disaster for newbie! in Modelling; I have finished building and painting my F1 Revell car, and all decals been applied.
The paint I have been ...
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Varnish disaster for newbie!
I have finished building and painting my F1 Revell car, and all decals been applied.
The paint I have been using is Revell's Aqua colours mainly, but also used Tamiya colour Acrylic paint for one of the colours.
I have just sprayed the model with Humbrol's Varnish Gloss spray that is meant for Acrylic paint.
The varnish has eaten into the paint a bit and has also eaten into some of the decals, practically dissolving them!
Can anyone advise as to where I went wrong and if there is anything I can do with the paint that has been eaten away?
Thanks!
petemid's Gallery
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Scale Model Member
Not a great fan of Humbrol Gloss, but when I have used it, I had to stir it for sometime, plus I found it better thinned, in my opinion its a very hot liquid, plus I think it was really designed for enamels or at least pre protected surface.Im sure the guys here who do use it will give a better idea to what happened, sorry about your disaster though.
Last edited by sprayman; 20-01-2011 at 06:03.
sprayman's Gallery - Name:
- Ray
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Moderator
I've never heard of enamel gloss coat eating into transfers before, and I really con't imagine what has caused this. You also shouldn't have any problems with enamel going over an acrylic so what is going on here I'm really not sure.
Unfortunately you are going to have to make a big decision and that is whether you can put up with it or whether you are prepared to bite the bullet and remove all the paint. If the acrylic has been disloved then all the paint back to the plastic will have to come off. I really don't think it is worth trying to go over it all with another coat of anything so cutting your loses and removing what you have is probably the best way forward.
“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days"
Bunkerbarge's Gallery - Name:
- Richard
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Scale Model Member
Can't quite put my finger on it. I've used once a mix of enamels and acrylics on the same surface and Humbrol varnish on top and everything went just fine. I wonder of it has something to do with the underlying paint not being completely cured?
wanna_be_aviator's Gallery - Name:
- Marcos
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Moderator
That doesn't explain the damaged transfers. The acrylic should be properly cured so should be at least over 24 hrs old so you could have challenges if it is too fresh but the transfers shouldn't be affected by clear gloss enamel.
“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days"
Bunkerbarge's Gallery - Name:
- Richard
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Thanks for the responses. The humbrol gloss varnish says it is for acrylic paint, isn't the enamel one a different product?
petemid's Gallery
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Moderator
Humbrol do an enamel and an acrylic gloss coat which are, as you say, quite different products.
“Dirty British coaster with a salt-caked smoke stack, Butting through the Channel in the mad March days"
Bunkerbarge's Gallery - Name:
- Richard
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I used the acrylic varnish, surely that would be the correct one for acrylic paint! I am starting to think that maybe the spray was just too 'strong'. I have used Humbrol gloss cote applied by brush on another part of the model and it doesn't seem to have had any detrimental effect.
petemid's Gallery
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Scale Model Member
Hi Pete , just catching up on the forum , not sure why you`ve had this problem maybe you went for one heavy coat straight off , although I`m no expert maybe a couple of miscoats ( letting each coat dry which would seal the decals ) and then a final heavy coat will work I`m yet to master this theory but a lot of car and bike buiders follow this rule , but sad to say it would be cheaper and quicker to get another model rather than try and clean this one up and try and source after market decals , I don`t rate any of the humbrol glosses but thats only my opinion , for cars and bikes I tend to use the zero paints for the main bodywork colours which is solvent based and for clear gloss coats I tend to use vallejo clear gloss at the moment and it wont attack decals , being acrylic based it does not give that super shine but with a polishing stick it makes it a lot better ,
Richy
Richy C's Gallery - Name:
- Richard
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Richy I think you are right, as it's my first ever model I have made quite a few mistakes, the main one being that I didn't appreciate the idea of building up using thin layers, and have just gone for one thick coat.
I notice you don't live to far from me, is there a shop that sells the products you mention, so far I have been limited to model zone in Kingston!
petemid's Gallery
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