Volcanic Lava Rock

Volcanic Lava Rock is mainly extracted and crushed in Germany. Volcanic rock chippings are porous and brown. Due to its low Specific gravity and permeability, it is a good option for an alternative foundation where low Specific gravity is important. Lava rock is generally used for the construction of natural filters. Lava rock is not washed during extraction, the dust is washed away naturally by rain. 


  • • Type of stone: Volcanic Lava Rock
  • • Colour: Quite low (porous material)
  • • Colour: Brown
  • • Specific gravity: ± 1200 kg per m3, larger sizes 1000-1100 kg
  • • Shape: Angular (broken)
  • • Special features: Low specific gravity!

Delivery options and available sizes  

Sizes Packaging
  20KG bags Midibag (0.7 m3) / Bigbag (1 m3),
delivered neutrally in unmarked bags
Loose bulk loads
0/8 mm    


0/16 mm    


3/16 mm    


8/16 mm




16/32 mm  



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