System 3+

In accordance with 2024/2769:

Verification of constancy of performance in relation to their essential characteristics on environmental sustainability

The manufacturer shall carry out:

-  he assessment of the performance of the product on the basis of data collection for input values, assumptions and modelling;

The notified assessment validation body shall decide on the issuing, restriction, suspension or withdrawal of the validation report of constancy of performance of the construction product on thbasis of the outcome of the following assessments and verifications carried out by that body he notified laboratory shall assess the performance on the basis of testing (based on sampling carried out by the manufacturer), calculation, tabulated values or descriptive documentation of the construction product.-·    validation of the input values, assumptions made and compliance with applicable generic or product category specific rules;

- validation of the manufacturer’s assessment;

- validation of the process applied to generate that assessment;

- validation of the correct usage of software appropriate for the assessment;