Who is csr hebel? That’s where CSR Hebel – Australia’s leading manufacturer of building materials – comes in. Known for their lightweight building products, the company is popular for its wall panels and blocks.How to contact csr for enquiries? Contact CSR for enquiries, products and services - You can contact us by phone, mail, website or visit us at our Corporate Headquarters. Contact Us What is hebel made from? Hebel is a strong building product made from autoclaved aerated concrete (AAC). AAC was developed in Scandinavia over 70 years ago and is now used widely across the world. CSR Hebel is Australia's only manufacturer of AAC with over 25 years of experience in designing and developing AAC systems for Australian buildings.Where is the head office of csr limited? Head Office. CSR Limited. Triniti 3, 39 Delhi Road, North Ryde NSW 2113. Get Directions.