19 Feb '12, 2am

Green Building Q&A: Calling all "rammed earth" experts...

Green Building Q&A: Calling all "rammed earth" experts...

I was recently thinking about "rammed earth" construction. I found an episode of "The nature of things" where David Suzuki talks with a rammed earth builder that calls his approach "SIREWall" The main innovations with "SIREWall" seem to be the inclusion of rigid foam insulation in a manner that appears similar to a Thermomass foundation and higher compressive strength than more traditional rammed earth techniques. The performance/durability advantages as I seem them are: Rammed earth is "airtight". There is no "interstitial" space - ie: no 3D network. There is (possibly continuous?) R value. There is built in thermal mass for decrement delay. The earth may be hygroscopic (moisture buffering) but not sensitive to moisture damage. The walls may be very long lasting. But what about disadvantages? SIREWall is apparently a proprietary technique, ie: specific details are behind ...

Full article: http://www.greenbuildingadvisor.com/community/forum/green...

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