Sigi Koko
Sigi Koko is the founder and principal designer of Down to Earth Design, a Pennsylvania-based natural building architecture practice, and teaches hands-on natural building workshops.
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Sep 8, 2026
Sigi KokoGUEST
I would say clay and straw bale and hemp are extremely resilient to fire with a big caveat, which I'll explain.
Sigi KokoGUEST
But as materials, there's two things going on that like you think, oh, straw, barn fire, can't put out the barn fire.
Sigi KokoGUEST
And straw stacked in a barn with moisture inside is also super flammable because the moisture starts to decompose inside that big insulated stack of bales.
1 HR 26 MINS LATER