The Secret Ingredient in Paris’ Green Public Housing: Hemp

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Winter in Paris is notoriously clammy, and this winter was no exception. But Gregory Ferembach didn’t need to turn on his heat much. One reason? The walls in his public housing building are lined with one of nature’s best insulation materials: hemp.

“We’re never cold in winter,” Ferembach said in French. “The kids walk around barefoot all the time, or even in their underwear.”

Ferembach says it helps that their apartment is on a middle floor, and their building is sandwiched between two others. But the coziness also owes to the unique material in their walls: “hempcrete,” a concrete-like blend made by mixing hemp hurd — the woody core of the cannabis plant — with water and lime. Despite the name, the material isn’t a direct substitute for concrete. But as an insulating material within walls, it holds the potential to transform the homes where we reside in ways that are healthier for people and the planet alike.

 

Full Article:

https://nextcity.org/daily/entry/the-secret-ingredient-in-paris-green-public-housing-hemp