Drainage Layers

Our Drainage Layers

Sedum Supply offer two types of green roof drainage layers, 12mm and 20mm, depending on the water rentention required for your green roof system. The most important role of the drainage layer is to provide adequate flow of water off the roof during and after a rain.The systems are designed to ensure that stormwater can be used by plants for longer periods of time without oversaturation of the system.

  • 12mm Roof Drainage System

    12mm Roof Drainage System

    12mm Roof Drainage System Properties: Makes extensive use of recycled polymers in its...

    £9.50 excl. VAT
  • 20mm Roof Drainage System

    20mm Roof Drainage System

    Properties: Makes extensive use of recycled polymers in its...

    £11.76 excl. VAT

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