When you are building new or redoing an old property and need high-quality roofing supplies at a low cost then simply logon to buildworld.co.uk. Our impressive product range is tailor-made for tradespeople and customers. Select from our wide range of roofing materials that include felt, flashing, shingles and sheet roofing. We supply Onduline roofing sheets that are a tough, lightweight corrugated roofing sheet material that is made of organic fibres saturated with bitumen by applying heat and pressure. Onduline is tough, yet lightweight and ideal for corrugated roofing and wall cladding. Onduline sheets come in 4 colours and have an enhanced U.V. resistance.