Wood treatment method

The invention relates to a method for treating at least one part made of wood comprising: - A) an impregnation phase for impregnating the part with at least one colouring agent; - B) a steaming phase comprising heating said part in the presence of saturated steam; - C) a densifying phase comprising: i) compressing said part by exerting a first pressure at a first temperature then a second pressure at a second temperature, the second temperature and the second pressure being respectively lower than the first temperature and the first pressure.