The traditional adobe roof has been constructed using a mixture of soil/clay, water, sand and organic materials.
ðə tɹɐdˈɪʃənəl ɐdˈoʊbi ɹˈuːf hˈæzbiːn kənstɹˈʌktᵻd jˈuːzɪŋ ɐ mˈɪkstʃɚɹ ʌv sˈɔɪl slˈæʃ klˈeɪ, wˈɔːɾɚ, sˈænd ænd ɔːɹɡˈænɪk mətˈɪɹiəlz.