Designing the Right Single Ply Roofing System

Green Roof

Icopal single ply green roof options add another dimension to a ballasted roof system. Both warm roof and inverted roof options can accept a green roof as a surfacing which will act as the ballast to secure the system.

  1. Extensive Green Roof
  2. Filter / Protection Fleece.
  3. Monarplan G membrane
  4. PIR Insulation.
  5. Icopal Vapour Control Layer.
  6. Concrete roof deck.

Monarplan G (glass reinforced) membrane incorporates an a fungicide additive that prevents green roof organic growth from attacking the plasticiser in the PVC membrane ensuring the membranes performance is not compromised. In warm roof applications, Monarplan G is loose laid over PIR insulation boards with all overlaps sealed by hot air welding prior to surfacing with a filter protection fleece and extensive or intensive green roof.

In inverted applications, the Monarplan G should be laid over the roof deck above a separation fleece, prior to covering with a further separation fleece. Polystyrene insulation of the appropriate thickness is subsequently laid and covered with a water reducing layer or filter fleece before being surfaced with an extensive or intensive green roof.

Click here for further information on Green Roofs

For all Monarplan single ply roofing systems it is recommended that a minimum roof fall of 1:60 is adopted to comply with current codes of practice. 

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