Rationel Sustainability

Rationel operate a comprehensive sustainability protocol which is in line with our vision of a future where we cohabit with nature and its ecological framework. Key elements of the Rationel sustainability policy are presented below:-

Rationel Sustainability

Rationel Sustainability

Rationel Durability

Rationel Durability

Rationel Technical Performance

Rationel Technical Performance

  Embodied CO2e/Window
Total Per Window 76.64Kgs CO2e
Stage Description Timber PVC-U
1,2 Material Formation
Process/Manufacture, etc
-18.95 (Incl end of life) 46.0
3 Maintenance/replacement (60 years, with moderate exposure & average maintenance) 6.76 46
4 End of life (incl in 1,2) -15.36
  • Slow growing Northern European coniferous
  • Age when logged is 100 – 150 years
  • Trees planted should exceed those logged.
  • Timber should be “audit trailed”
  • Chain of Custody certificates (PEFC or FSC)
  • All waste timber should be either used for “laminating” or fuel
  • Waste aluminium should be recycled
  • Broken glass to be recycled
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