FIBERGlass Putty CAR Body FILLER VAN BOAT HIGH STRENGTH REINFORCED REPAIR
20-150 is a 2K polyester fiber gel putty. For filling rusted areas. Fibergel can be used directly on iron, steel, aluminum, and zinc-coated surfaces. Note that this putty is two-component and must be mixed with hardener in a ratio of 100:2-3.