GUNITECH®: An Innovative Pumice Based Dry Shotcrete Application

Pumice quarried by LAVA MINING AND QUARRYING SA from Yali Island, Dodecanese, is used in domestic and foreign markets mainly as concrete lightweight aggregate, masonry unit constituents, road substrate, loose soil stabilization. It a porous natural volcanic rock with low density, thermal noise transmission, the highest strength among all or artificial materials of mineral origin. Nowadays, pumice additional interest it has reduced CO2 footprint because energy not needed for its expansion compared aggregates. In this context, HERACLES GROUP collaboration Sika Hellas launched new product containing stone under brand name GUNITECH®. GUNITECH® an innovative bagged material spraying applications. ready concrete, building repairs certified EN 1504-3.