Advantages of Timber Frame and Straw Bale Houses


| 5/2/2014 3:31:00 PM


Tags: natural building, timber framing, straw bale building, Kentucky, Ziggy Liloia,

From 2012-2013, my partner April and I took on the work of building a new home for ourselves. After living in a less-than-warm cob house in a cold northern Missouri climate, we quickly decided in favor of using straw bale for the wall construction to provide insulation in our new design. That left the frame in question, but we quickly decided that it had to be a traditional timber frame, and I'm glad we made the choice.

Advantages of Straw Bale Building

The union of straw bale building and timber framing is a harmonious one, and there are numerous advantages of employing the two systems in collaboration. Straw bale and timber frames are highly compatible, beautiful, and the efficiency and longevity of using these natural building techniques is superior in a cold climate setting.

The use of straw bales in home construction is actually rather "new", relative to the historical longevity of other natural materials, especially stone, cob, adobe, wattle and daub, and others. All of these long-lived materials have one thing in common -- they are all massive, and do not provide much in way of actual insulation values (R-values). If your goal is to maximize insulation and minimize the amount of fuel you burn to keep comfortable, straw, and specifically straw bales are an excellent option to pursue.

A two-string straw bale is typically quoted to be an average of R-27.5 for its 18" of thickness when used on-flat. (Oak Ridge National Laboratory, 1998). Though there are other materials with a higher R-value per inch, I would argue that straw bale is a highly effective choice of insulators, considering all other factors involved.




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