[Strawbale] water in attic

[Alan Abrams]

If the bottles are arrayed upright, in a hex pattern, and each bottle is 4"
in diameter (or spaced 4" oc on the 60d grid), then you would have about
20.5 liters / sf.  (I drink my whiskey straight, so have no softdrink
bottles at hand to measure)  Unmixing US and furrin mensuration, that's
about 45 PSF, not counting the plastic bottles.  IRC design for attic
storage is 20 PSF live load.  

Alan Abrams, AIBD
Abrams Design Build
a sustainable approach to beautiful space
alan at abramsdesignbuild.com
www.abramsdesignbuild.com
202-726-5894 o
202-291-0626 f

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So, filling an attic with water in bottles will require a stronger 
structure.

Cheers,


Matthew Chase