Greenroof Low O.M. Mix

This is a specialist low density, low O.M. media specifically designed for green roof applications. Nutritional amendments will be required to meet the specific needs of species intended for planting with this media.

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Description

Specification – S25. Greenroof Low O.M. Mix
Part A:
“Fit-for-purpose” Performance Description
This is a specialist low density, low O.M. media specifically designed for green roof applications. Nutritional amendments will be required to meet the specific needs of species intended for planting with this media.

Specific engineering loads or tolerances may be specified in some projects and these must be considered in combination are required, please consult with our qualified horticulturists for additional technical information.

Part B:
Product Specification (Technical parameters)

Analysis






Physical
Organic Matter
% w/w
18-25
  Saturated Repacked Density
Kg/L
1.3-1.45
  Toxicity
mm
>70
       
Hydrological
WHC
%
44-49
  Permeability
mm/h
500-700
  Wettability (AS4419)
Mins
1.2-1.5
  Dispersibility in water
Category (1 or 2)
2
       
Chemical
pH in water (1:5)
pH units
6.6-7.3
  Electrical Conductivity – (1:1.5)
dS/m
1.2-1.7
  Ammonium N – (NH4)
mg/L
< 100
  Ammonium N + Nitrate N (NH4 + NO3)
mg/L
>50
  Phosphorus (P)
mg/L
4-7
  Potassium (K)
mg/L
< 150-250
  Calcium (Ca)
mg/L
>80
  Magnesium (Mg)
mg/L
< 50
  Iron (Fe)
mg/L
< 75
     


Part C:
Components
This product requires compost manufactured under AS4454 certified composting processes.