Onduline Classic overlapping installation

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last updated：Sep 20, 2018

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Short construction period and contributes to cost reduction! Can be installed over any roof.

We would like to introduce the overlay construction method using "Ondulin Classic." This method is a cover construction that can be performed in the same way as a regular roof without removing the existing roof. Classic is lightweight at less than 4 kg/m² and does not incur additional costs for the structure. Furthermore, it can be applied to any type of roof, including iron, steel, asbestos cement, membranes, and tiles. 【Advantages of the Cover Method】 ■ No waste materials are generated, saving both demolition and waste disposal costs. ■ The removal costs for roofs containing asbestos are high, but this method can help save those costs. ■ Short construction period. ■ No disruption to daily life. ■ The double structure of the roof reduces noise from rain and improves insulation. *For more details, please refer to the PDF document or feel free to contact us.

Related Link - https://jp.onduline.com/

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【Disadvantages of the Cover Method】 ■ It may not be possible depending on the condition of the roof's deterioration. ■ It will eventually need to be removed. ■ Additional cover methods cannot be applied while already using the cover method. 【Construction Method】 ■ Directly fix the purlins to the existing roof (mandatory for corrugated roofs). ■ Fix the tile battens. ■ Install Onduline Classic corrugated sheets (using the same construction procedures as regular roofing). *For more details, please refer to the PDF document or feel free to contact us.