Purity of the pumice

YALI® is available in large quantities and with consistent quality. The homogeneous deposit of volcanic origin on the island of Giali, the different gradings, the option of blending them to meet customer requirements and year-round availability make certified production on the island of Gyali highly flexible and efficient.

EN, ASTM and CE certificates can be found here.

YALI®

is a natural raw material of volcanic origin

  • free from organic and inorganic impurities,
  • very environmentally friendly thanks to low CO² emissions during extraction and transport
  • has a low specific weight,
  • has excellent insulation properties,
  • has sound insulation properties,
  • is fire resistant,
  • is frost resistant,
  • has excellent mechanical strength,
  • a uniform white colour and
  • consistent quality.