According to the EU regulation "On construction products" products used in construction, including radiators and convectors without a built-in heating element, must receive the CE marking on the basis of the harmonized product standards EN442, and have a "DECLARATION OF QUALITY DATA, Declaration of performance of construction products, declaration of performance" (DoP). The CE marking means that each individual product is manufactured in accordance with the requirements of the technological process for this type of product, established by the regulations regarding its production, testing and delivery. The regulation entered into force on July 1, 2013  

RettigICC products carry the CE mark. The RettigICC`s "Declaration of Performance, Declaration of Performance, Declaration of Performance" by RettigICC, as well as documents detailing the performance of individual products (see appendices M and D) are available from in accordance with the provisions of the regulation "On construction products"; (See the attached RICC Statement of Performance in its latest edition and the documents it references.)