Sky Garden Biodiverse Substrate in 25ltr Sacks

Sky Garden | Biodiverse Substrate in 25ltr Sacks

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.



Please be sure to watch our installation video for guidance. If you still have questions, do not hesitate to contact us.