Drainage

DrainageThe drainage layer has an important role to play in the total system structure of a green roof. It buffers water and allows excess water to drain away. During a dry period, the water stored can be reabsorbed by the vegetation layer above. The drainage also contributes to good aeration of the plant roots.

Application

The choice of drainage will depend on the structure of the roof. We will be happy to advise you of the best solution for your green roof.

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