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GREEN ROOFS

DCT-R09-3

EXTERNALLY INSULATED GREEN ROOF WITH RAINWATER STORAGE, DRAINAGE AND ROOT AERATION (DC20-R)

Green roof, externally insulated with a moisture resistant high compressive strength XPS insulation, located below the waterpoofing membrane barrier to maintain the roof slab at a stable indoor temperature. The insulation is weighted down by a green roof system which includes a combination of geotextile layers that offer rainwater storage, drainage, root aeration and protection of the waterproofing.

Section J (NCC 2019) R-Value Calculator

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ProctorGeo D-Rain HC8-2G drainage & aeration spacer mat is made from a high void ratio three dimensional shaped mesh of UV stabilized polypropylene monofilaments, tangled and fused together and bonded on each side with filter geotextile. 

DCT GA 300 is a closed cell high compressive strength, low moisture absorption extruded polystyrene (XPS) general application board for insulating roofs, walls and floors in commercial and residential applications.

ProctorGeo Vap120 is a light duty air and vapour control layer.  

ProctorGeo D-Rain DC20 Reservoir (DC20-R) is a 20mm moulded thermoformed HDPE sheet that can store rainwater in storage cells and drain off excess water  below the sheet via drainage slots. 

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