Insulation

Building with Unbonded Pumice

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Owen Geiger and I have just found that a book published in 1990 in Germany, Building with Pumice, written by Klaus Grasser and Gernot Minke, describes experiments done in the 1970’s at the Research Laboratory for Experimental Building at Kassel Polytechnic College in Germany that have considerable bearing on the history of earthbag building. Most … Read more

Using Earthbags as Ceiling Insulation

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Owen and I have collaborated on a new article posted at earthbagbuilding.com that describes how to use earthbags filled with various natural insulating materials to insulate ceilings or roofs. There seems to be a general lack of interesting ceiling options using sustainable building materials. For instance, when touring otherwise beautiful straw bale homes one often … Read more