Magic Mushroom Insulation

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Well not quite magical but definitely for real.

Insulation made of mycelium, the vegetative part of a mushroom, is a relatively new insulation material I’ve only recently heard of. Apparently, it has superior insulation qualities, is naturally self-extinguishing, feeds off waste while it grows, and purifies the air once in place.

Mycelium insulation blocks are made by letting the fungus feed on a substrate such as sawdust and grow into a shaped mould. Filaments fuse together quickly and the growth can be stopped when the substance is dried, creating a rigid material that can be sanded and painted.

I think the technology has been around for over ten years and may have started in the USA but I think low impact, biological / organic insulation materials will gain market traction over the next ten years so watch out for some interesting developments.

A UK company who is producing and researching on mushroom insulation is Biohm. They are also doing some other interesting things with buildings and biological building systems so worth checking them out.

Further information can be found here:


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