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Where Kondo really sets itself apart is its choice of building materials: a hemp biocomposite shell. According to the Stay Kondo website, hemp is a lightweight, strong material that can be sustainably grown in the United States without herbicides. It also grows to maturity in four months, compared with lumber which can take 20 years.
Full Article:
https://www.curbed.com/2017/7/19/15998800/tiny-house-stay-kondo-hemp-modular