The whole is very fragile and tends to dissociate: assembly by small spikes that do not take on the panels: the obligation to strengthen all with screws. It is best to set it against a wall to be sure it stand up .... No wood treatment, all is not as it is for outdoor use: you have to put a protective glaze if wants it to last a little ... Positive: ecological materials from cajettes of recycling (fine and not resistant).