Targets for all the main physical and chemical parameters are established, and feedback control systems coupled with the automated production process ensure that consistency is maintained at all stages of product manufacture.

In addition to Irish Cement Limited's own product quality guarantees, Limerick Works and its products are subject to regular independent quality verification by the National Standards Authority of Ireland. Normal and Rapid Hardening Portland cements produced at Limerick are certified to I.S. EN 197-1 : 2001 by NSAI and Limerick Works has also obtained I.S. EN ISO 9001:2000 Quality Systems Certification from NSAI.