When Encaustic is painted on Plexiglass, the beauty of translucent wax and the transparency of plexiglass combine to create luminous works.
When I first heard about painting on plexiglass with encaustic I was sceptical. We always say that encaustic needs an absorbent surface to adhere properly and Plexiglass is not absorbent. But there are many examples of artists successfully painting on plexiglass with encaustic wax medium.
In Encaustic Art The Complete Guide to Creating Fine Art with Wax, Lissa Rankin writes, “From an artistic standpoint, Plexiglas and wax are a perfect marriage. As ambient light shines through a painting on Plexiglas, the painting takes on great luminosity, appearing to glow.”
Examples of Encaustic on Plexiglass
Visit these websites for inspiration and proof that yes, you can paint with wax on plexiglass:
Tips for Painting with Wax on Plexiglass
- Remove the paper backing from one side of the Plexi
- Unless you intend to work on both sides of the Plexi, initially leave the paper backing on the back of your piece to protect it as you work. At some point, you will need to remove the paper so you can hold it up and let the light shine through.
- Begin by warming the surface of Plexi with a heat gun. Avoid using a blow torch, it’s intense heat may warp the Plexi.
- Some artists rough-up the surface with sandpaper, I didn’t do this. I don’t want the scratch marks to show and it doesn’t seem to be necessary
- Work in thin translucent layers to allow light to shine through
- Incise lines and gently scrape back to keep the layers of wax thin and let the light in
If you are concerned about how archival the piece will be, do an encaustic freezer test.
Displaying Encaustic on Plexiglass
Think about how you are going to display the work before you begin.
If the work is small, you can drill a hole in the top of the Plexiglass and, with fishing line, hang it in a window from a suction cup. Plexiglass is light-weight and can easily be hung in this way. I have a piece I did two years ago and it still looks the same as when I made it. The exposure to sunlight has not altered it at all. Damar resin in encaustic medium raises the melting point, the sun has not softened the wax. On a few occasions, the suction cup has released and the piece has fallen to the floor, without any adverse effects.
When working larger, you’ll want to ensure that the plexiglass is well supported to prevent flexing and bending. The artists linked above either mount their work so natural light will illuminate the piece or have built light-boxes.
My Experiments with Encaustic on Plexiglass
These experiments were a lot of fun. Hanging the piece in a window, so the daylight shines through, changes it considerably.
Have you painted with Encaustic on Plexiglass?
Please leave a comment and me know about your experience. You can also join the All Things Encaustic Facebook Group and post photos of your work.
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