This thermoplastic substance is widely used in the building industry for waterproofing flat roofs and tanking underground.
ðɪs θˌɜːməplˈæstɪk sˈʌbstəns ɪz wˈaɪdli jˈuːzd ɪnðə bˈɪldɪŋ ˈɪndʌstɹi fɔːɹ wˈɔːɾɚpɹˌuːfɪŋ flˈæt ɹˈuːfs ænd tˈæŋkɪŋ ˌʌndɚɡɹˈaʊnd.