- The distribution of ACERMI certificates is stable, with a diversity of certified products.
Geographic breakdown of production plants audited
ACERMI-certified products come essentially from European production plants, half of which are outside France. All these plants are audited twice yearly by ACERMI (LNE or CSTB) auditors to ensure consistent monitoring of ACERMI-certified products and all aspects of their performance.
The main producing countries of insulating materials and products certified by ACERMI are France, Germany, Belgium, Switzerland and Spain. One production plant in the USA has been ACERMI-certified since 2010.
- 147 plants manufacturing certified products (71 international) compared with 143 (66 international) in 2017.