A temporary dwelling made of paper tubes which can be easily and iexpensively built. While a certain heat insulation effect is realized even during midwinter, this dwelling is quite beautiful. Beer cases (plastic boxes which hold bottled beer) filled with sand bags were used as the house's foundation. The walls are comprised of paper tubes with a diameter of 108 millimeters and a thickness of 4 millimeters between which waterproof sponge tape is bolted with through bolts. A double tent forms the ceiling and the roof of the house whose gable end can be opened for ventilation. The cost of materials is approximately 250,000 yen per house.

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