The vast majority of refined bitumen is used in construction: primarily as a constituent of products used in paving and roofing applications.
ðə vˈæst mədʒˈɔːɹᵻɾi ʌv ɹᵻfˈaɪnd bɪtˈuːmɛn ɪz jˈuːzd ɪn kənstɹˈʌkʃən: pɹaɪmˈɛɹᵻli æz ɐ kənstˈɪtʃuːənt ʌv pɹˈɑːdʌkts jˈuːzd ɪn pˈeɪvɪŋ ænd ɹˈuːfɪŋ ˌæplɪkˈeɪʃənz.