Smooth-On Epsilon PRO is a thixotropic epoxy coating that self-thickens for brushing onto a variety of surfaces. Applied in thin layers, mixed material holds a vertical surface without sagging or slumping. Material wets out uniformly over different surfaces. Epsilon PRO is clear and can be easily colored using Ignite or UVO colorants. Cured coating has a gloss finish and can be sanded, primed and painted. Epsilon PRO is suitable for use as a protective, impact resistant coating for EPS or polyurethane foam. It can also be applied to plaster, concrete, wood and fabrics. This product is not sensitive to moisture / humidity and contains no VOC's.