Onduline Bitumen Corrugated roofing Edges - Green - 1m x 410mm x 3mm Bitumen Corrugated roofing sheets have been and are a popular material used for a range of roofing applications. They are a great choice for use on sheds, garages, garden outbuildings and agricultural buildings. These Bitumen Edges are a great way to finish the edge of your roofing structure. The edges help seal the sides of your roof where the bitumen sheets meet the edge. This helps finalise the side of your structure and improves the weatherproofing of your bitumen roof. These edges are coloured to match your roofing sheets, helping complete that aesthetic appeal. When installed correctly, Bitumen roofs provide excellent waterproof capabilities and ensure protection against water infiltration, helping to prevent leaks and water damage to your structure. The corrugated design of these sheets allows for superior strength and excellent water runoff compared to flat sheets. The design allows for the sheets to be