All told, they hung some 28,000 linear feet of the material with the larger sections composed of around 250 stalks. Each pole is threaded with galvanized steel wire and separated from the next by a small aluminum spacer. A highly renewable resource, the untreated bamboo has aged over time; what started as yellow-green has turned into a muted gray just a year after completion. Photo 6 of 8 in Inside One of France’s First Passive Houses

Inside One of France’s First Passive Houses

6 of 8

All told, they hung some 28,000 linear feet of the material with the larger sections composed of around 250 stalks. Each pole is threaded with galvanized steel wire and separated from the next by a small aluminum spacer. A highly renewable resource, the untreated bamboo has aged over time; what started as yellow-green has turned into a muted gray just a year after completion.