Patent ID: 8191318

Claim:
A prefabricated resin house, comprising: a peripheral wall formed by assembling a plurality of peripheral wall structural members comprising styrene foam; and a roof formed by assembling a plurality of roof structural members comprising styrene foam, which is placed on top of the peripheral wall, wherein: interlocking portions are formed at side end surfaces on both sides of each of the peripheral wall structural members and the peripheral wall structural members are bonded to each other by fitting interlocking portions facing opposite each other; interlocking portions are formed at side end surfaces on both sides of each of the roof structural members and the roof structural members are bonded to each other by fitting interlocking portions facing opposite each other; at least a part of the plurality of peripheral wall structural members and the plurality of roof structural members is integrally formed with a rib projecting inside the prefabricated resin house to achieve a ribbed structure; and a part of the rib near an area, where one of the plurality of peripheral wall structural members and one of the plurality of roof structural members are interlocked with each other, projects inside the prefabricated resin house by a greater extent than another part of the rib.