Eurofins (VTT) Expert Services Ltd product certificate No 160/01, granted on 24.9.2001,updated on 5.10.2018 and valid until 29.9.2021.

Norges byggforskninsinstitutt NBI Teknisk Godkjenning No. 2453, granted on 30.11.2006 valid until 1.11.2022.