Get Crackled Paint is a water based acrylic that dries to a glossy crackled opaque finish. It can be used on all primed and porous surfaces. Apply with a brush or palette knife. The cracking size is dependant on the amount of product used. Thick layers = large cracks, Thin layers = fine cracks. Drying and curing can take 30 mins to 12 hours depending on the thickness of the layer. Natural drying at room temperature is recommended. Rinse all tools used in application with warm water. Keep out of direct sunlight.