Golden Gesso is designed to penetrate supports and provide a surface to which paint can adhere. Proper preparation with Golden Gesso increases the life span of artwork. Our Gesso is formulated to be flexible and is highly pigmented for greater opacity.Sandable Hard Gesso is formulated with 100&#37 acrylic polymer emulsion and can be sanded to provide surfaces that are smoother and more even than those created using regular gesso.