I have done some painting on glass before and love the way I can make it look like a watercolor. But recently at the Las Vegas Glass Expo, I noticed that the colors seemed bolder on some of Glassline’s samples. They explained this is for 2 reasons: 1) there pieces were uncapped versus mine which I had been capping with clear glass and 2) a white base tends to bring out the colors more than a clear base. The first picture below is a clear base capped with clear. The second picture below is on a white base and not capped and what a difference in the green and blue colors.
Here are some other interesting things I learned from this experiment.
- It is best if you take the uncapped, painted piece to full fused temperature to really get the boldest colors.
- You can brush, sponge or even air brush the paint on, but try not to get too thick as this tends to lead to cracking.
- Some web sites indicate that you should do a tack fire before a full fire to ensure it doesn’t crack. I asked Glassline about this at the Glass Show and they indicated this is the result of too thick of a coat and there is really no need for a tack fuse first.
- Always ensure that it dries completely before firing especially if capping. It actually dries pretty quickly, but if you can’t wait, then use a hair dryer.
In the piece below, you can see some bubbles at the stems of the flowers because it was the last thing I painted and didn’t wait long enough for it to dry before firing.
Last, in the picture below, you can see the piece above after it has dried and before fired. Do not panic that the paint color seems so muted when it dries as it then go back to the wet paint color when it is fired.