Sky Garden’s biodiverse substrate is a specially blended mix of free-draining organic material with clean, screened granular aggregates, recycled from certifiable waste products from the building industry, to provide a low nutrient water-retentive growing medium. In compliance with soil association standards and certifications.
This lightweight, free-draining, low nutrient and moisture retentive growing medium is made from 60% recycled materials in line with the UK Green Roof Code of Best Practise.
Biodiverse Substrate Specifications
- Ideal for use in extensive biodiverse or wildflower roofs.
- Recommend depth 80 – 150mm
- Dry weight: 950 kg/m³
- Wet Weight: 1550kg/m³
- Compaction: 15%
Get a Price
Let us know how many sacks you need in the 'calculate cost' area on this page.