The “DUC-LINE R” plastic-steel scour filler is an antacid epoxy free of aromatic amines with ceramic fillers; Its technology was developed to fill undercuts due to metal loss, to restore the original profile of the metal wall in pipes, it is used as a filler between “armadillo type” metal enclosures where large thicknesses are required without runoff and without loss of volume, in addition it catalyzes as fast as possible, to minimize the waiting time in the placement of boiler type metal enclosures.