Extensive Green Roofing Substrate is a low maintenance soil that can be used with Sedum and Wildflower living roofs.
The substrate will settle 10% so allow extra - our coverage details below give approximate coverage with settling.
Sizes range from 16mm to 4mm
PH Value - Average 8.4
Maximum Water Holding Capacity: 30%
Also available in 1cu.m bags
Features of the Substrate
- Thickness for Sedum Roofs - 40 to 75mm (40mm Minimum)
- Thickness for Wildflower Roofs - 75mm to 100mm (75mm Minimum)
- Full Saturated Weight - 40mm to 58kg per sq.m
- Full Saturated Weight - 50mm to 72.5kg per sq.m
- Full Saturated Weight - 70m to 102kg per sq.m
- Full Saturated Weight - 75mm to 109kg per sq.m
- Full Saturated Weight - 100mm to 145kg per sq.m
Coverage (inc 10% settlement)
- 40mm thick - 0.57 sq.m
- 50mm thick - 0.45 sq.m
- 70mm thick - 0.33 sq.m
- 75mm thick - 0.30 sq.m
- 100mm thick - 0.22 sq.m