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Using varnishes on model


Welsh Bloke

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Hi guys, quick question.

 

If I use Vallejo gloss acrylic varnish on my model and then want a matt finish is it ok to just use Vallejo matt acrylic varnish on top? Or do I have to use an enamel varnish?

 

Any help greatly appreciated,

 

WB

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Try to avoid using enamel on top of an acrylic coat. The inherent solvent (or added thinner) may wash off the acrylic colour. The sequence should be: lacquer - enamel - acrylic. There may be exceptions resp. necessities to swap the sequence without too much hassle, which I do too.

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Others' experiences may differ, but I gave up using Vallejo's matt clear coat, mostly because it rarely dried to anything resembling a matt finish.  Now happily using Windsor & Newton Galeria acrylic matt, which works reliably, every time.  Also better value...

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I found out the hard way that enamels on top of acrylics don't work ! I recently built the Eduard 1/48 Messerschmitt Bf 109F and painted it in ah Eastern front scheme of two greens. I used Humbrol Gloss Cote to varnish it before decalling, but was not happy with the shades that appeared. OK, I thought, I'll just re - coat the dark green, and oh dear . . . It was a disaster 🙁. I THINK Gloss Cote might be a solvent based acrylic, but it certainly didn't like being overpainted !

The model is now in my " Bin of doom " but not to worry, as Santa is bringing me a replacement 🙂

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I think this might be gloss cote specific - always had problems with it. Never had any problem with Satin or Matt cote ... or for that matter acrylic (Tamiya/Mr Hobby) over enamel paints and vice versa (provided appropriate drying time is allowed for. I've never used Vallejo though, and it could be it behaves differently being a true water based acrylic

 

Cheers

 

Colin

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On 08/12/2020 at 23:03, Werdna said:

Others' experiences may differ, but I gave up using Vallejo's matt clear coat, mostly because it rarely dried to anything resembling a matt finish.  Now happily using Windsor & Newton Galeria acrylic matt, which works reliably, every time.  Also better value...

 

I had a look and there seems to be two W&N Matt varnishes. Matte medium and Matt varnish. Which one do I go for

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Just now, AltcarBoB said:

 

I had a look and there seems to be two W&N Matt varnishes. Matte medium and Matt varnish. Which one do I go for

Matt Varnish

Matte Medium, afair, is a thickener varnish which adds bulk to the paint as well as making it matt, or glossy or silky according to the version

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That's the stuff I use and it always gives a good Matt finish.  Make sure you stir it properly as like any Matt the flattening agent will settle in the bottle.  Also I find  it's very very matt so it depends if that's what you're after.

For other finishes I use their satin and gloss varnishes which also do what they say reliably.  You can mix combos of the three types to get the finish you want.

Cheers

Will

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11 hours ago, malpaso said:

That's the stuff I use and it always gives a good Matt finish.  Make sure you stir it properly as like any Matt the flattening agent will settle in the bottle.  Also I find  it's very very matt so it depends if that's what you're after.

For other finishes I use their satin and gloss varnishes which also do what they say reliably.  You can mix combos of the three types to get the finish you want.

Cheers

Will

Thanks, I went on the W&N website and their seemed to be about 5 things that said they were Matt varnishes. Very confusing.

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