FERTAN UNDERBODY PROTECTIVE UNDERSEAL is a resin-based product that does not contain any bitumen or tar constituents. It forms an elastic layer that provides robust protection against stone chipping, moisture, spray and salt. In addition, it has a sound-absorbing anti-drone effect. FERTAN body and stone guard demonstrates good adhesion to steel, stainless steel, galvanized steel, Aluminium as well as polyester laminates.