Oak Ridge National Laboratory
Oak Ridge National Laboratory: Insulation Fact Sheet
Several well-written pages using easy-to-understand language. Explains about every detail concerning insulation and its installation or replacement. Discusses R values, heat loss, insulation types, etc.
Oak Ridge National Laboratory
Oak Ridge National Laboratory: Radiant Barrier Fact Sheet
Several well-written pages using easy-to-understand language. Explains the concept of reflective insulation and radiant behaviors. Discusses benefits of radiant barrier installation.