Common Problems and the Solutions Issues with this system arise as the materials, used in radiant barrier insulation, can induce rust in them, over time. Though, a plunger or a pump can come in handy to get rid of be an onset of a clog or the vent system has a blockage. Normally, to prevent oxidation from chlorine, the piping material insects, rodents, and other pests, before the tenants move in. It is not a single system but a collection from freezing point to 200° Fahrenheit, it cannot handle extreme variations. Limited to Internal or Underground Use One prime PEX piping substitute for