The California Straw Building Association (CASBA) is an all-volunteer non-profit organization committed to straw bale building in California. Our members are people interested in and/or dedicated to straw building -- including owner-builders, architects, engineers, and contractors. Learn more about CASBA activities

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We invite you to join us: as a volunteer, an aspiring owner-builder, a professional, or just as a “friend of straw.”

Benefits of Membership

Make a tax deductible donation in support CASBA's mission including Straw Bale code effort and CASBA's Detail Book

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Download the Code - Free!

Appendix S – Strawbale Construction with Commentary
from the 2015 International Residential Code (IRC)

CASBA, a Project of the Tides Center.

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