A board with a bubbly structure, made of high-density polyethylene, has a high water storage capacity and compressive strength, developed for use in green roof applications.
It is generally used on roof terraces, especially in areas with extensive (light, sparse) 7-10 cm soil, enabling low-maintenance or no-maintenance plants in the grass and sedum style. The green roof drainage boards, which are the most important components of the Green Roof systems, provide the necessary water for the plants in the dry seasons thanks to the water storage chambers, as well as the discharge of the water and the water vapor accumulated in the system. In addition, it protects the waterproofing layer in the lowest layer of the system against mechanical impacts that may occur during or after the application of green roof systems.
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