General description Onduline Bitumen Corrugated roofing Ridge in Black is a versatile roofing solution measuring 1m x 420mm x 3mm. It is ideal for various applications, including sheds, garages, garden outbuildings, and agricultural buildings. This ridge effectively seals the apex of your roof where the bitumen sheets meet, enhancing the weatherproofing and aesthetic appeal of your roofing system. Technical specifications Dimensions: 1m x 420mm x 3mm Thickness: 3mm Available colors: Black, Green, Red, Brown, Grey Usage When installed correctly, the Onduline Bitumen Ridge provides excellent waterproof capabilities, protecting against water infiltration and preventing leaks and water damage. Its corrugated design offers superior strength and effective water runoff, making it a reliable choice for roofing applications.