Varnish How-To...

TTJames

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Aug 9, 2023
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Hello all. Long time lurker and first time post from someone just getting back into models after a 35 year break. I am sure this has been asked a 1000 times over the years, but I was wondering of someone could point me to a How-To article/video on varnishing/sealing aircraft models. I never spent the time to do this when I was a teenager, but would like to do so now and I feel like I have a million questions and sort of don't know where to start. Thanks in advance.
 
First things first, welcome!
from someone who came outta the shadows just last month as well!

I know folks will be glad to meet you, so if you haven't yet, post a howdy-do in the introductions thread.

I think the consensus here is that the best place start is to start a-building and a-posting!

It shouldn't be long before you get an actual answer re. varnishing...
 
It kind of depends what type of paint you are using. I use lacquer, so a final coat of gloss or flat clear lacquer locks everything down. If you are using acrylic paint, you will need to use an acrylic varnish. Aqua Gloss, Vallejo, etc. I find those a little tricky to get a nice even gloss without runs, but it certainly can be done. Don't build it up too thick or it tends to yellow.
 
I just about never bother with varnish on anything, except if it's to change the glossiness of the model — like to make it gloss if it's matt but shouldn't be. Other than that, I generally consider varnish to be just one more thing that can go wrong.
 
It kind of depends what type of paint you are using. I use lacquer, so a final coat of gloss or flat clear lacquer locks everything down. If you are using acrylic paint, you will need to use an acrylic varnish. Aqua Gloss, Vallejo, etc. I find those a little tricky to get a nice even gloss without runs, but it certainly can be done. Don't build it up too thick or it tends to yellow.
I didn't realize that your couldn't mix types. Good to know. I am a novice. I am using Tamiya acrylics so I guess that means I need an acrylic varnish. Although on my F-117 I used just regular Rustoleum Flat Black rattle can house paint. That might not be correct either.
 
I just about never bother with varnish on anything, except if it's to change the glossiness of the model — like to make it gloss if it's matt but shouldn't be. Other than that, I generally consider varnish to be just one more thing that can go wrong.
That is interesting. I guess I saw so many amazing examples of models and the person always sems to indicates what varnish they used. I get that the varnish doesn't make up for a cruddy paint job, but I also want to protect the decals as well. I have several kits that are over 30 years old and was trying to protect as best as I could.
 
First things first, welcome!
from someone who came outta the shadows just last month as well!

I know folks will be glad to meet you, so if you haven't yet, post a howdy-do in the introductions thread.

I think the consensus here is that the best place start is to start a-building and a-posting!

It shouldn't be long before you get an actual answer re. varnishing...
Thanks for the welcome BarleyBop.
 
Tamiya makes a clear coat and a flat coat if you just want to try those. I use a pledge floor care gloss product you can't buy anymore but you can also use a product called Quickshine I'm sure you can find a demo of someone using it on Youtube. For a flat coat I use AK ultra matte varnish. You put down the gloss coat before decals, it helps eliminate silvering. Then finish up with a flat coat. I use Tamiya paints as well and this all works well on them. Here is a video to watch the guy brushes this on but I spray it and it works well.
 
You can mix, but order is important. Anything goes over lacquer. Acrylic goes over enamel and lacquer. Lacquer or enamel eat acrylic unless REALLY cured. L>E>A
I learned this the hard/easy way....built a Tamiya F-16 and the varnish I used ate the acrylics in a way I just pulled off the paint to the plastic.....to a point that it's didn't look like I had even painted it...just formed gum strip and it came off clean.
 

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