European Technical Approval

European Technical Approval Standards Mettisse Relais composition squareness density absorption strength airflow fire biological additives marking. SPECIAL NOTE: The insulation is now made of 85% recycled cotton/denim. There is no longer a mix of acrylic-synthetic fibres with wool fibres in the insulation. 
  • The reaction to fire of the product is determined according to EN 1350-1. The fire rating is E.
  • When the insulation is placed behind a facing (plasterboard or in particular Fermacell Gypsum – BA 13 in France) the fire rating is B. (The English translation works in the Chrome browser but may have issues in other browsers. We are working to improve compatibility. Please download and use the Chrome browser if necessary.)
  • CE mark approved.