Thin-R Flat Roof: (FR/ALU)  


Xtratherm FR/ALU is a high performance Polyisocyanurate flat roof insulation with vapour-tight aluminium foil facings suitable for use with single ply membranes. FR/ALU is part of the comprehensive range of Xtratherm’s high performance flat roof boards providing total solutions for flat roof projects.


  • Thermal conductivity (W/mK) 0.022 W/mK
  • Compressive strength >150kPa