PrimerGuard® Special Concrete is a product designed to be used as a primer before applying two-component products from the Guard Industrie range – ProtectGuard® Color Two-component, ProtectGuard® Color AntiGraffiti, AntiGraffitiGuard® Special Concrete, AntiGraffitiGuard® Premium Special Concrete on all types of concrete. Application of PrimerGuard® Special Concrete is essential to ensure the perfect final appearance and performance of the coating, it promotes adhesion by its ability to bond strongly to concrete. PrimerGuard® Special Concrete is a penetrating product, the substrate remains permeable to air and water vapour.