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I sure hope so, as it's one of the go-to insulation materials in NL at the moment next to glass fiber wool.

All over the world really, AFAIU. And why not, it's non-flammable, rot-resistant, affordable and made from abundant raw materials.

And yes, you should probably use gloves and a mask when working with it, but it's not carcinogenic like asbestos.

I hate so much working with glass/rock wool that I just straight up refuse the work now if the client is not ready to pay a bit extra for hemp or wood insulating wool.

It doesn't hurt that the treatment to make them non-flammable and rot-resistant is quite benine and that the demand much less energy to manufacture.

What do you use, borax? That's been banned in the EU for superstitious reasons.

I think ? You can only buy when it has already been cured I believe

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