NPD : No performance Determined The performance of the product is in conformity with the declared perfomances. The declaration o
Déclaration de performance / Ventilateurs extracteurs de fumées et de chaleur Declaration of performance / Smoke and heat exha
![EN 1504-8 : Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and AVCP - Part 8: Quality control and Assessment and verification of the constancy of performance (AVCP). EN 1504-8 : Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and AVCP - Part 8: Quality control and Assessment and verification of the constancy of performance (AVCP).](https://bbriblobprod.blob.core.windows.net/cadic-thumbs/33000/en/protected/NBN_EN_1504-8_2016(E).jpg)