Durable wood (origin and treatment)

    - As regards sustainable wood: Circular P&O/DD/2 of 18 November 2005 concerning the

     procurement policy of the federal policy to promote sustainably used wood.

     >> Circular P&O/DD/2 in pdf (in French)

    - Concerning the origin of wood: cfr: FSC ou PEFC

   - Concerning wood protection techniques: see also Blue Angel:

                                                       >>> WORD (2011) >>>  PDF (2011) >>>

   - Concerning wood protection substances: see also

     Nature Plus , Nordic swan  or Österreichische Umweltzeichen