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Heat treatment of wood


The company Ets Röthlisberger SA install in 2006 in Glovelier aheat treatment plant. To amend specific properties of wood, the thermal- or heat treatment expose Hard- or Softwood to very high temperatures (160 bis 200°C) for a definite duration.
  
Main advantages of heat treated timber:
 
  • Thermowood has stabile dimensions: the humidity of timber is consequently reduced, and also the possible water absorbtion. Schrinkage and swelling are decreased up to 60%
  • Thermowood is durable: the heat treatment achieve a degradation of the hemicellulose. So becomes the timber much less attractive for wood destructing micro-organisms, and therefore much more durable. Heat treated timber can be used for outside uses, but without ground contact. 
  • Thermowood is noble: The heat treatment confere our home-grown wood species noble and precious character. New exotic wood tones are given to all the timber thickness. 
     
    Applications of heat treated wood (Thermowood):
     
    • Wellness- and wet areas, swimming pools and saunas
    • Outdoor flooring
    • Windows, shuters and outer doors,
    • Claddings and clapboards
    • Garden furniture, Carports
    • Playground equipments
    • Boot building, etc.

    Autoclave de traitement thermique du bois

    Ets Röthlisberger SA in Glovelier: the new autoclave for the heat treatment of timber



    Attached documents  
    Heat treatment of wood (EN & FR)  (0.8 MB)
    Heat treatment of wood (in French & German)  (0.8 MB)
    Lignum: Communication on Thermowood  (0.1 MB)
    Timber for outside uses (Schweizer Holzbau)  (0.2 MB)
    cladding in thermal treated wood (in German)  (0.1 MB)
    cladding in Thermowood (in French)  (0.1 MB)