dʒˈuːlɪəs dᵻskɹˈaɪbz ɐ dˈʌbəl ɹˈuːf fɔːɹ dwˈɛlɪŋz, wɪð ɐn ˈɛɹ ɡˈæp bᵻtwˌiːn ðɪ ˈɪnɚ ænd ˈaʊɾɚ ɹˈuːf tə ɹᵻdˈuːs dᵻɹˈɛkt ɹˈeɪdiənt hˈiːɾɪŋ.
Julius describes a double roof for dwellings, with an air gap between the inner and outer roof to reduce direct radiant heating.