Formulated and manufactured at our facility in Atlanta, this is a specially formulated primer that is fast drying, acrylic resin based to be applied directly to concrete, asphalt and other substrates. Once the primer is applied and dry, thermoplastic solid heat applied traffic paints of any kind - spray, extrude, hydrocarbon or alkyd - can be applied over it. The primer forms a good strong deep penetrating base coat to help the top applied thermoplastic topcoat bond / adhere better to the substrate. It also forms a water barrier to protect and prolong the life of the solid thermoplastic traffic paint that is applied as a top coat. It does contains high levels of hydrocarbon solvents that contribute to VOC and are objectionable for use in California. As an option, if needed USSC manufactures this product in acetone solvent that is VOC exempt and hence contains ZERO VOC.