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This roof sandwich panel belongs to the iQ⁺ System® range that has been designed to improve the energy efficiency of buildings and their environmental footprint. It is made of an iQ⁺ polyisocyanurate (PIR) foam and two prepainted steel facings. Its outer facing is trapezoidal.


  • Cover width: 1 000 mm
  • iQ⁺ System PIR foam
  • Declared thermal conductivity λ: 0.020 W/mK
  • Excellent airtightness thanks to the nesting and seal system minimizing thermal bridges
  • Standard thickness of facings: External side 0.60 mm/Internal side 0.40 mm
  • 4 thicknesses of insulation core available, from 80 to 140 mm 
  • Visible fixings

Ondatherm® T iQ+ roof panel