Drainage Layers

Green Roof Drainage Layers

Sedum Supply offer two types of green roof drainage layers. A 12mm and 20mm. The drainage layer you require will depend on the water retention 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 rain. The systems are designed to ensure that storm-water can be used by plants for longer periods of time without over saturation of the system.

  • 12mm Roof Drainage System

    12mm Roof Drainage System

    12mm Roof Drainage SystemPrice per m2Properties: Makes extensive use of recycled polymers...
    £9.50 £7.60 excl. VAT
  • 20mm Roof Drainage System

    20mm Roof Drainage System

    SS Green Roof Drainage Layer 20mmPrice per M2Properties:Makes extensive use of recycled...
    £11.76 £9.41 excl. VAT

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