Please be informed that all Production Plants of Dyckerhoff Polska Sp. z o.o., have a documented and implemented a system of In-House Production Control compliant with the requirements of the ready-mixed concrete standard of PN-EN 206+A1:2016-12 “Concrete – Specification, Performance, Production, and Conformity” and PN-B-06265:2018-10 “Concrete – Specification, Performance, Production, and Conformity. National Supplement to PN-EN 206+A1:2016-12”.

This is confirmed by the National Certificate of In-House Production Control Compliance No. 157-UWB-240, which authorises the Producer to issue a National Declaration of Performance and mark its products with construction mark B – which is to become mandatory as of 1 July 2019. The majority of our Production Plants also have Certificate of In-House Production Control Compliance for brick mortars according to a design of general use of classes M5-M20 compliant with the harmonised standard of PN-EN 998-2:2016-12, which allows the marking of construction products with CE. This is confirmed by the Certificate of In-House Production Control Compliance No. 2311-CRP-214. The Institute of Building Materials and Concrete Technology of Warsaw is an Accredited Certification Body that has performed audits positively assessing the functioning of the In-House Production Control system and exercises supervision over the issued certificates.