Have you heard of straw-bale gardening, well, there is also strawbale roofing! Check:
https://permaculturenews.org/2017/07/24/straw-bale-homes-passive-solar-design/?mc_cid=cb20c64ff5&mc_eid=578297666e
Have you heard of straw-bale gardening, well, there is also strawbale roofing! Check:
https://permaculturenews.org/2017/07/24/straw-bale-homes-passive-solar-design/?mc_cid=cb20c64ff5&mc_eid=578297666e