Your concrete additive for ready-mixed concretes

sh_stoneash® is one of our concrete additives - its development is based both on latest technological insights and also on own ongoing examinations.

sh_stoneash® is based on an extremely pure natural calcium carbonate and gets generated during a specially developed procedure.


  • Substitute for fly ash (no puzzolanic reactions)
  • Ready-mixed concrete

Your benefits

  • Guaranteed availability
  • Natural product with consistently high quality
  • Improved processability and pumpability
  • Reduced risk of bleeding
  • Light colours of hardened concrete
  • Improved profitability and efficiency