Hemp wool vs Sheep wool insulation | Everything you need to know



Hemp wool and sheep wool are considered to be the “greenest” or most sustainable insulation materials. In this video, we’re …

49 Comments

  1. why would you even consider using sheep's wool considering the environmental impact of raising and feeding/watering sheep sheep and waste removal vs Hemp Plants? Also, your "open air" fire test on the Hemp was not like it would be sealed in a wall… and who wants a lingering smell of burnt hair permeating their home for weeks or months after even a small fire…

  2. It is somewhat disingenuous to describe the wool as having no embodied energy. Embodied energy is one of a number of metrics used to assess the environmental impact of a product, and while wool may have minimal embodied energy in its production, it does have a significant amount of embodied carbon due to the methane (high greenhouse gas warming potential) emitted by the sheep.

  3. This was one of the most informative videos I have seen in quite a while. I have a short bus that I am going to be converting and I was wondering if hemp or wool would be better. I may use both! Hemp on the walls and floor and wool in the ceiling.

  4. Great video! To all the commenters and viewers, contact your local leaders and entrepreneurs so we can establish the infrastructure for this material. Drive down the cost, put those living on the streets to work and in these hemp shelters

  5. I wonder if there is a way to blend the sheep wool with the hemp wool to get the best of both qualities. The wool being naturally flame retardant could potentially smother flames from spreading in the hemp.

  6. Another absolutely thorough and valuable presentation. We have bee hives that are used to insulate honey bee hives and I've had many questions regarding its properties as an insulator. Thank you again.

  7. Damn it, I want some company to use industrial hemp plants with high levels of THC
    If my house burns down, I at least want to get the whole neighborhood stoned. We can party around my burning home like a giant bonfire!

  8. Great information about modern insulation alternatives! I am currently constructing a tiny home on wheels that is about 300 square feet with metal stud construction . I’m ready to insulate and I recently discovered Havelock’s wool batts. It seems to be suitable for helping with the reduction of thermal bridging. Glad to hear you confirm it is a great option for Tiny Home projects. 👍🏼

  9. Thank you for a fine comparison. I recently obtained samples of both products for a Fibershed display in Virginia. I did not know that the polyester binder was incorporated into the hemp wool. That certainly makes it a less "green" alternative. I also wonder if that is the part of the product that continued to smoulder in the fire test. I also wonder what compounds were released into the air when each product was burned. Second: It's my understanding that boron is incorporated into the wool insulation, to prevent insects (moth larvae) from investing it.

  10. You mentioned the hemp had some polyester material mixed in with it. That was probably why the hemp bat caught on fire and continued to smolder. I think it would be very interesting to mix both materials together to get a better product. Hemp would add structure to the wool and the wool would add it's amazing advantages to the hemp. Best of both worlds.

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