This house is called the Yakisugi or “charred cedar” house. Japanese architect Terunobu Fujimori is using a traditional Japanese technique of charring as a way to finish and preserve wood. See another charcoal house by Fujimori here. Fujimori’s buildings often use traditional materials in almost fantastical, quasi-folkloric ways. This house was built to resemble, at least in its interior, a cave dwelling found near Lascaux in France. All photos here are by Edmund Sumner accompanying an article by Yuki Sumner in the Telegraph:
“Fujimori wanted to wrap the exterior of his ‘cave’ with charred cedar boards, a traditional and highly durable Japanese cladding material. Normally, such boards come in lengths of less than 7ft – any longer and they tend to warp when heated. Undeterred, the architect persuaded his clients, plus eight friends, to spend a day with him in a field charring the timber using a technique that he had discovered. A day’s hard work produced 400 beautifully charred cedar boards, each more or less 25ft long, and, although they were slightly warped, the gaps were filled with thick plaster, which created the striking striped pattern of the exterior walls.”