The sustainable solution for lightweight shotcrete repair mortar

HERACLES Group enriches its "green" product portfolio and offers the new, sustainable, and technologically advanced Gunitech in collaboration with the specialized chemical manufacturing industry, Sika. It is a ready-to-use two-component shotcrete mortar, unique in the Greek market, enriched with a special lightweight aggregate mixture.

Thanks to its innovative composition which is based on a completely natural resource, the pumice stone, Gunitech has the lowest carbon footprint in the Greek market compared to traditional compositions. The groundbreaking and environmentally friendly Gunitech is available in 20-kilogram and 15-kilogram bags of two components, Cementitious Mix and Lightweight Aggregate Mix, available to professionals through the HERACLES Group Distribution Centers throughout Greece.

What it offers



  • Ready-to-use two-component shotcrete of category CC25/30
  • Certified performance of the final mixture (EN 1504-3, Class R3)
  • 30% lower CO2 emissions
  • Lightweight material
  • Rapid strength development due to non-alkaline accelerators
  • Extremely low shrinkage and reduced tensile stress due to fiber content Very low permeability, high resistance to carbonation and chloride penetration

Η τεχνολογία αιχμής του Gunitech εξασφαλίζει τα παρακάτω ανταγωνιστικά πλεονεκτήματα: 

  • Improved sustainability performance
  • Significantly reduced rebound, up to 50% compared to traditional materials, during application
  • Excellent adhesion
  • Less weight in construction, up to 25% compared to conventional shotcrete
  • Minimization of dust emission during spraying
  • Material and cost savings
  • Extremely homogeneous final result
  • Increased durability, making it ideal for industrial/marine environments
  • Limited maintenance requirements after application



The new Gunitech product brings a change to shotcrete applications, always with respect for the environment:

  • Repairs of large volume/area
  • Reinforcements of reinforced concrete elements
  • Masonry reinforcements