The planted rooftop on Cutwork’s modular prefab PolyRoom for Bouygues Immobilier concrete planters, integrated irrigation, and charred and blackened  Japanese shou sugi ban wood siding cladding.

This Design Firm Envisions Planting Prefab Homes “Like Trees” in Cities

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Each unit is outfitted with an irrigation system to help maintain the rooftop plants. Cutwork envisions chains and stacks of PolyRoom units that form biophilic communities.