QUOTE: Originally posted by reggiethedorf
fraid you cant weather acrylics with acrylics, the wash will run the base color. you can however weather it with acrylics after sealing with a non acrylic clear coat like testors dullcote. just make sure that the solvent in your wash will not do anything to the paint beneath it .
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I've never had a problem weathering with acrylics over acrylics. Just make sure the basecoat is dry. 48+ hours is what I wait.
That's one of the fundamental differences between acrylics and enamels. Enamels when they dry, can still be 'activated' by their thinners. Acrylics cannot. When an acrylic dries, it is a barrier of non-breathable plastic. Which is why you want to overcoat enamels with acrylics only after the enamels have dried--they don't breathe. Also, if they didn't dry without any of their carrier left, every time you sprayed Future on there, they would peel up....
Someone else could probably explain it better than my ham-fisted attempt...
Dan