Saturday, March 19, 2016

Prefabrication experiments - 94 - Japanese prefab and MUJI

The groundwork for Japanese manufactured housing was outlined by massive postwar rebuilding programs, which underwrote industrialization initiatives and fruitful collaborations between industry and architects. More than any other country, Japanese industry fused architectural quality with the imperatives of housing production (costs/timelines/craftsmanship). The conventional business model associated with mass production was challenged by the customization experiments of Sekisui Heim or the now infamous Toyota production theory. Japan’s industry championed the coming of age of lean and supple manufacturing processes. Within the field of manufactured architecture, the metabolist movement’s proponents showcased the umbrella concepts, of capsules and infrastructure, but mainstream companies continuing to produce quality homes demonstrate the real success of the Japanese industry.

Further to innovative production methods and the shear need to revamp housing, Japan’s traditional building culture dominated by traditional dimensioning, cutting and assembling made Japan a fertile ground for prefabrication. Rigorous production, organisational customs, customizable systems and social acceptability are the focal points of the country's success in off-site construction. These themes were eloquently united to develop many flagship manufacturers: Daewa, Sekisui, Panahomes are just a few companies that embody the durability and anchorage of the prefab housing business model in Japan.

Recently, MUJI, a commodity and lifestyle product distributor famous for its no brand branding expanded to the housing industry by uniting with architect Kengo Kuma. The company's simple, no frills aesthetic parallels contemporary prefab imagery and promotes the qualities associated with manufactured architecture: beautiful, quickly built, low cost and sustainable. Sprouting from a fruitful collaboration with Kuma, MUJI now promotes its vertical house as a flexible, adaptable, low cost house.

Muji's vertical house is offered in seven different organisations to accommodate diverse lifestyles. The vertically organised frame structure uses both simple spatial organisation and intelligent construction details to produce a lifestyle receptacle in tune with the company's business model. The visible glulam post and beam construction system is assembled with steel plates and fasteners. The joinery is reminiscent of traditional Japanese wood carpentry. The house's staircase distributes spaces vertically and collects light from the axial skylight. The simple stacking of spaces in a five-meter wide module also addresses the cultural need for densely organised streets capes.

MUJI infill 



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