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G410-EL Green Roof System - Recycled High Density Polyethylene Drainage Board

10, 15, 20 year extensive green roof system:

  • Extensive green roof vegetation (by specialist)
  • Extensive planting medium (by specialist)
  • Cuspated PUR Foam Drainage Board Or Recycled High Density Polyethylene Drainage Board (by specialist).
  • Sarnafil (G445-13 / TG63-13) Protection Layer (G445-13 for G410-EL membranes / Sarnafil TG63-13 for Sarnafil TCG membrane – the protection layer will change depending on the membrane used)
  • Sarnafil G410-EL waterproof covering.
  • SarnaTherm G insulation.
  • Sarnavap 5000E SA vapour control layer.

General information

All Sarnafil systems are subject to a project specific specification (including design against wind uplift) to be completed by Sika Sarnafil. Please contact your local Sarnafil Technical Adviser


Sarnafil single point, insurance backed, guarantees provide cover for all Sarnafil products supplied by Sika and branded Sarnafil products supplied by Sarnafil Partner suppliers

Uniclass 2015
Ss_30_40_30_80 Single layer sheet warm roof covering systemsPrimary
Digital objects
PlatformCompatibleVersionCertified to
IFC2X3 4 1.3
- 2
- 1.0
Revit 2016 7 2.0
Download now from NBS National BIM Library
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