Production of porous concrete, for making mortar, bituminous waterproofing membranes, cement, is certified according to EN 450 fly ash in concrete. For other uses of fly ash are technical parameters established by company standards.
- ES certificate No. 1020-CPD-040 036101 Fly ash for concrete ČSN EN 450-1+A1 Certificate
- Certificate No 204-C5-2010-040036119 Lignite fly ash for aerated concrete according to PN 1003 Certificate
- PN 1003 Fly ash for aerated concrete Standart
- PN 1006 Fly ash for mortar, cement and for production of water-proof asphalt belts Standart