EU construction products regulation 305/2011: declaration of performance and CE mark

In accordance with the EU construction products regulation (CPR), the following product information must be made available for all building products that correspond to a harmonised EU standard, or that have been issued a European Technical Assessment:

■ Declaration of Performance

■ CE mark

Sto takes a pragmatic approach and has made the data available to you online at


  • The declaration of performance contains the CE mark in detail. For reasons of space, the short form of the CE mark is used on product labels.
  • These documents are only language versions. It does not necessarily follow that the product is available in all those countries.
  • Should you require older versions of a declaration of performance/CE mark, please contact our information service. (
  • You can search for product names in full or in part using the Ctrl+F keyboard shortcut!

You can find further information at

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CE Mark