Rockery Type Plant Substrate
A growing medium suitable as a substrate to support the growth of extensive rockery type plants.
Application
Install by loose laying directly onto the specified filter sheet or drainage layer at the recommended thickness plus a settlement factor of 1.2. Refer to Alumasc for recommended thicknesses.
Description
Rockery type plant substrate is a growing medium consisting of a specific blend of high quality crushed brick and selected mineral aggregates, enriched with a small amount of mature compost. The product has excellent water permeability and high porosity. It is used as a substrate to support the growth of extensive rockery type plants in green roof applications, which can be individually plug planted or seed sown by hand.
Application:
Install by loose laying directly onto the specified filter sheet or drainage layer at the recommended thickness plus a settlement factor of 1.2. Refer to Alumasc for recommended thicknesses.
General information
Uniclass 2015 | |
CAWS | Q28/125 Green roof growing media system |
Specification data - Manufactured growing media
Product Reference | Rockery Type Plant Substrate |
Standard product features | Organic content: < 6 %. Salt content: < 2.5 %. Porosity: 63 %. pH value: 7.8. Dry weight: 980 kg/m³. Saturated weight: 1330 kg/m³. Granules of diameter < 0.063 mm: < 15%. |