Steve Edwards
Well-Known Member
- Joined
- Sep 22, 2018
- Messages
- 145
I have often painted acrylics over oil paint. But I never mean to.
Usually it's when I am glazing oil paint over an acrylic base coat for horses or flesh. You apply the oil paint and then rub it off selectively using brushes or cotton buds etc. You can't help but spread the paint over adjacent areas. It's a good idea to try to clean off the excess paint with a wet brush when you're finished but sometimes that does not happen. When you apply dilute acrylic over the dry, oil paint layer it won't cover; it just beads and runs.
You need to kill that slick oil paint layer with an opaque matt coat of not very dilute acrylic paint. I usually cut in with good old Tamiya Deck Tan. Let the Deck Tan dry properly and then you're good to go.
On the subject of mixed media painting. Winsor and Newton Artisan water based oil paint can be mixed with Vallejo or Andrea acrylics for shading and highlighting. You are being a complete maverick for doing this but it's nice to live on the edge occasionally. No doubt we will be reported to the paint police and made to suffer. Ten years eye painting with no remission.
Watch out though, that mix dries very quickly and you need to keep it open for blending. Buy some acrylic retarder and add a brushful to the mix and you'll be fine. Your mixture will stay open for around 10-15 minutes so although you still have to work quickly there's no panic. Vallejo offer an acrylic retarder but I think the big bottle by Liquitex is the best value; one bottle will last you for years. I've never tried the Liquitex gel retarder, only the liquid.
Usually it's when I am glazing oil paint over an acrylic base coat for horses or flesh. You apply the oil paint and then rub it off selectively using brushes or cotton buds etc. You can't help but spread the paint over adjacent areas. It's a good idea to try to clean off the excess paint with a wet brush when you're finished but sometimes that does not happen. When you apply dilute acrylic over the dry, oil paint layer it won't cover; it just beads and runs.
You need to kill that slick oil paint layer with an opaque matt coat of not very dilute acrylic paint. I usually cut in with good old Tamiya Deck Tan. Let the Deck Tan dry properly and then you're good to go.
On the subject of mixed media painting. Winsor and Newton Artisan water based oil paint can be mixed with Vallejo or Andrea acrylics for shading and highlighting. You are being a complete maverick for doing this but it's nice to live on the edge occasionally. No doubt we will be reported to the paint police and made to suffer. Ten years eye painting with no remission.
Watch out though, that mix dries very quickly and you need to keep it open for blending. Buy some acrylic retarder and add a brushful to the mix and you'll be fine. Your mixture will stay open for around 10-15 minutes so although you still have to work quickly there's no panic. Vallejo offer an acrylic retarder but I think the big bottle by Liquitex is the best value; one bottle will last you for years. I've never tried the Liquitex gel retarder, only the liquid.