Natural Building Convergence
SE 38th Avenue & Yamhill Street (vicinity)
Cob Sauna
Natural Building Teacher: Amber Wiggett spiralworks.org
This 120sf sauna is a double wall construction with cob exterior walls, and interior walls and benches
made of salvaged wood. An exterior cob seating and changing area is also built. The sauna
is built on a reused garage foundation, and topped with an ecoroof.
Cob Sauna page 1



A before picture
Page 2, Cob Sauna
Page 3, Cob Sauna
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