This one was set up by Ross Elliot based on Richard Nelson’s invention of 1994. The cavity is 30 inch thick and R value for soap bubbles is 1 per inch. So it achieves R30 insulation at night when outside is cold and then the bubbles dissipate for the south side during the day to allow light to come in.

That is supper smart indeed!

This one looks to have a much thicker cavity than 30 inch.

This one was done DIY in Poland.

Check this video for foam generator.

The original inventor of this technology called SolaRoof is Richard Nelson and they have been far advanced in coming up with a highend Podnet style. Check this website PodNet.is for more information. The following is most recent video presenting it:

Categories: Solar

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