Biodiversity Green Roofing Substrate is a light weight substrate that is designed especially for biodiversity and brown 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: 32.9%
Also available in 25kg 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 60kg per sq.m
- Full Saturated Weight - 50mm to 75kg per sq.m
- Full Saturated Weight - 70m to 105kg per sq.m
- Full Saturated Weight - 75mm to 112.5kg per sq.m
- Full Saturated Weight - 100mm to 150kg per sq.m
Coverage (inc 10% settlement)
- 40mm thick - 22 sq.m
- 50mm thick - 18 sq.m
- 70mm thick - 13 sq.m
- 75mm thick - 12 sq.m
- 100mm thick - 9 sq.m
