Certified for the construction of embankments, backfills, Abrasive grit for winter maintenance of roads and sidewalks and for the production of brickware products.
- Certificate No. 010-026822 Slag for building purposes Certificate
- ES certificate No. 1020-CPD-010026340 Porous aggregate for concrete, building mixes and injection plaster according to Czech standard CSN EN 13055-1, and porous aggregate for asphalt mixes, coating, and agglutinated and non-agglutinated applications according to CSN EN 13055-2 Certificate
- PN PN 1002 Slag for building purposes Standart