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Hempcrete

High Hopes For Hempcrete

Lisa Sundberg and Peter Holmdahl want to change the construction industry in North America by using one of the oldest cultivated plants in human history: hemp. Sundberg is an activist from Trinidad, California, with a background in industry development. She met Holmdahl, a Swede with a background in business development and sustainability, through a shared commitment to expanding the use of hempcrete (also known as hemp lime). This building material made from industrial hemp byproduct is gaining attention for its sustainable properties.

The Lower Sioux Need Homes, So They’re Building Them From Hemp

For now, it’s only a gaping hole in the ground, 100-by-100 feet, surrounded by farm machinery and bales of hemp on a sandy patch of earth on the Lower Sioux Indian Reservation in southwestern Minnesota. But when construction is complete next April, the Lower Sioux — also known as part of the Mdewakanton Band of Dakota — will have a 20,000-square-foot manufacturing campus that will allow them to pioneer a green experiment, the first of its kind in the United States. They will have an integrated vertical operation to grow hemp, process it into insulation called hempcrete, and then build healthy homes with it. Right now, no one in the U.S. does all three.

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