Open-source lightweight foamed / open-cell concrete (AR-GFRC oriented) for the OpenRoot lattice.
Material and construction system for single-story and appropriate-technology building. Focused on drill-and-bucket scale methods, open-cell thermal mass properties, and integration with passive solar and cooling designs.
Primary physical material spoke. Provides the volumetric thermal mass and structural medium used by Node Zero and related thermal systems.
OpenRoot treats materials, energy, and coordination as one problem. A reproducible, low-tech, high-surface-area material that can store and move heat is a concrete way to increase useful capacity without continuous external power.
Active. Design and build methods are public; physical iteration continues.
This repo is part of the OpenRoot unified architecture.
Role: Materials layer (SPEC-H-001, H-002, H-003 — volumetric blackbody thermal cascade)
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