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Perfect Wall House

Based on concepts proposed by forensic engineer Joe Lstiburek, the Perfect Wall House should last centuries thanks to a clever design that puts the majority of the building materials on the outside. Specifically, there's an outer shell of corrugated metal siding, a layer of rainscreen, two layers of rigid foam insulation, an air, water, and vapor barrier, a layer of particle board, and then a thin layer of pine. The result is an interior full of exposed joists, primarily painted white, with natural wood floors and accents, black fixtures, and tons of built-in storage afforded by the space between the studs.

Photos: Casey Dunn / Rauser Design