Vapour Barrier - Defend Alu Insulation - Indexzone tapered cfc & hcfc polyurethane insulation. Underlay - Index 5mm Proteaduo SBS/APP composite membrane. Root resistant layer - Index 4mm Defend H anti root APP modified membrane layer, containing a specially formulated root inhibitor.
Landscaping Index water retention/drainage mat
Index organic substrate to a depth of 50mm
Index INSTA Extensive planting system (containing up to 10 varieties of sedum) installed in rolls 20x1m.
Vegation barrier of 20x40mm washed rounded pebbles.
Comments
The green roof is performing as as it should after a successful installation