Regulation (EU) No 305/2011, also known as the Construction Products Regulation (CPR), establishes harmonized rules for evaluating and documenting the performance of construction materials across the European Union. It mandates that manufacturers produce a Declaration of Performance (DoP) and apply CE marking to ensure products meet standards for stability, safety, and sustainability. For more details, visit EUR-Lex . Regulation (EU) No 305/2011 - construction products