Exterior, House Building Type, Wood Siding Material, Flat RoofLine, Stone Siding Material, and Prefab Building Type As the second iteration in Square Root Architecture's C3Prefab line of homes, the V1.0 was constructed in the West Town neighborhood of Chicago utilizing prefab modular components including structural insulated panels (SIPs). This type of flat-pack system is more of a hybrid of onsite and prefabricated construction that both minimizes transportation and erection costs of the prefab units.  Photo 2 of 6 in 5 Prefab Home Companies to Know in Illinois from Alluring Meets Affordable With These 5 Chicago Prefabs

5 Prefab Home Companies to Know in Illinois

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Square Root Architecture + Design is a Chicago- and Springfield-based architecture and design firm specializing in high-performance and sustainable building design. The firm's initial C3Prefab was one of the first prefabricated sustainable residences in the Windy City and was a prototype of how residential construction can be simultaneously affordable and eco-friendly within an urban context. Their designs use prefab modular components including structural insulated panels (SIPs). This type of flat-pack system is more of a hybrid of onsite and prefabricated construction that both minimizes transportation and erection costs of the prefab units.