Even acrylic paints, primers and gel mediums can crack. Acrylics are thermoplastic and when they are in cold climates they become increasingly stiffer. When they are rolled or unrolled in the wrong temperature they can crack, even if they exhibit no issues in warmer room temperatures.
How do you keep acrylic paint from cracking?
Prevent Cracking In Your Painting
- Ensure your paint mixture has enough binder. ...
- Make sure your paint is not to thick and not too thin.
- Add a retarder to slow the drying process.
- Adjust environmental variables detailed here under the Slowing Down Dry Times heading here.
- Use higher quality acrylic paints.
What causes my acrylic paint to crack?
Crazing happens when the top layer of the acrylic pour painting dries faster than the underlying layer which is still wet. When this happens the top layer of the acrylic film will form a skin as it hardens and continues to stretch, and if it hardens too fast it will break.
