Lightweight Substrate 25L sack

Sky Gardens lightweight 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.

This lightweight, free-draining, low nutrient and moisture retentive growing medium is made from 80% recycled materials in compliance with the stringent Soil Association standards and certifications along with the UK Green Roof Code of Best Practise.

Sedum Substrate Specifications

• Ideal for use in extensive sedum blanket or sedum plug plant roofs.
• Recommend depth: 50 - 100mm
• Dry weight: 550-750 kg/m
• Wet Weight: 675-920kg/m
• pH: 8 - 8.5
• Provided in 40 x 25ltr sacks per pallet