Green roofs Planting substrates Industrial products Filter materials Sales and Supply Company profile Completed projects Download

Vulkalit T (LG)

Product specification   Applications
Das Bild
  • Pure mineral substrate, demixing-resistant
  • The main components are light lava stone and pumice.
  • The mixture has an open-pore structure and a high total pore volume.
    It has a good nutrient buffering capacity and promotes germination and growth
  • Long term high water permeability

Product uses  Das Bild

  • Planting in drainage basins
  • Rainwater purification
  • Plant-based water clarification systems
  • Vegetation filters in pools in ponds

Vegetation-related properties 
Das Bild
Particle size distribution
Water-extractable substances

ca. 2 masses %


Fine/moderate granule ca. 93 masses %    
Volumetric weight
With maximum moisture content

1,18 to/m3

Water/air balance
Maximum water retention capacity
Water permeability (mod. K*)

17,60 vol.%
> 0,03 cm/s
pH 7,6  
Content of salts ca. 0,2 g/l  


Natural product (mixture of igneous minerals); contains plagioclase, leucite, nepheline, clinopyroxenes, olivine, magnetite, biotite and apatite.
Chemical composition Content*   Chemical composition Content*
Silicic acid (SiO2) 44,00%   Magnesium (MgO) 9,10%
Iron (Fe2O3) 10,80%   Potash (K2O) 3,90%
Aluminium (Al2O3) 13,90%   Phosporus (P2O5) 0,80%
Lime (CaO) 11,40%   Titanium (TiO2) 2,70%
Sodium (Na2O) 2,70%   Manganese (MnO)  0,40%
* = approximate

produced with ecomas® - Content Management System