Onduline roofing sheets are made using recycled cellulose fibres, and then soaked in bitumen. It can be used as corrugated roofing, or as hard-wearing, but lightweight wall cladding. There are various ways in which the onduline roofing sheets can be applied to your roof, and there are also various benefits in using onduline roofing sheets such as, there is no maintenance required, the sheets are easy to cut making it easier to apply, they do not rust or become brittle, they can withstand wind speeds of over 100mph, and they can with a 15 year waterproof guarantee.