Frameclad is designed to deliver across the board high performance in all the critical areas of fire, acoustics, and thermal requirements. Ease of install means it’s ideal in various internal wall configurations especially timber frame and sloping roofs.

Terrawool Frame Clad is made from stone wool, which gives an A1 fire rating as well as thermal and acoustic insulation. It is a non-combustible product and can be used in new build, HRMO and refurbishment projects. It easy to apply and suitable for a variety of Partition, loft and roof insulations as well as inner face of the external walls. Terrawool Flexi Frame is available in a wide range of thicknesses.


  • Non-combustible Euro class A1 rating
  • Suitable for buildings over 18 m
  • High thermal and acoustic performance
  • The breathable open-cell structure of Flexi Frame allows water vapour to pass through
  • Specifically designed balance density of Flexi Frame reduces the number of fixing
  • Can easily be fitted around the brackets and provides a continuous thermal performance with the help of random fibre orientation.