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Materials

  • Net zero upfront carbon footprint and net zero operational carbon
  • Modular straw panel system with R-29+ exterior walls
  • Hemp batt insulation roof assembly – R-49+
  • Wood fiber exterior sheathing eliminates thermal bridging
  • Emphasis on natural and bio-based building materials
  • Passive solar design with thermal mass
  • High-performance solar gain windows U=0.16, SHOC=0.32
  • Perlite slab insulation
  • Energy-efficient appliances and fixtures
  • Mini-split heat pump 33 SEER
  • Heat recovery ventilator
  • Hybrid electric heat pump water heater
  • Low-flow water fixtures
  • Solar panels
  • Earthen clay and lim plaster wall finish
  • Tadelakt shower
  • Low carbon footprint concrete mix
  • Biochar and localscape carbon sink landscaping

Educational opportunities surrounding this project are sponsored by Builders Without Borders through a generous grant from the Jarvis and Constance Doctorow Family foundation.

Much gratitude to our team! Thanks for the encouragement, technical support, creativity, resourcefulness, and contributions of time and money toward this straw panel test-build and demonstration project. Thank you!

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