Perfetto's Crackle Paint products are
All acrylic water-based crackle mediums
Brush, spray or rolling, application
Maybe tinted or color washed to achieve the desired color
Designed to be used over Perfetto Crackle Size.
The four primary factors that affect the size of the cracks are...
1) The thickness of the Crackle Size
2) The thickness of the coat of Crackle product applied
3) The drying conditions
4) The direction the Crackle product is applied