Bitumen Corrugated Roofing Ridges - Red - 1m x 450mm x 2.2mm Bitumen Corrugated roofing has been and is 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 Ridges are designed to work with the 2.2 mm-thick bitumen roofing sheets. Designed to seal the Ridge of the roof where the two sides of your roof project meet at the apex. With the ridges installed, it helps waterproof the top of your roofing structure, helping improve the lifespan and longevity of your roof. The colours these ridges come in are Red, Green, Black and Grey. These colours are to match your bitumen roofing sheets and help provide a complete finish to your roof. 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. Features: Durable Weather-Resistant Lightweight Easy to