For over a century Eternit has worked side by side with farmers to build sheds that improve profitability and help farms perform better. Eternit FarmTec sheeting is specifically designed for British farmers and our unique climate. Building a new shed roof is a long-term investment in the productivity and health of your business. We work side-by-side with our farmers and are committed to growing and investing in their potential — equipping them with ever smarter solutions to grow their farms, and meet the needs of their future. Fibre cement profiled sheeting, Corrugated roofing sheets. Agricultural roofing.