the original question/statement was that it would be a temporary winter shelter..
Make some sort of support structure to lean the bales to and they will not shift and fall.. you can also make the roof out of straw with some added support..(plywood or 2x6) the span would be the governing...
Chiiiiiiiiiickens! :
We surrounded our uninsulated wood coop with straw bales this year and I'm concerned because the straw has absorbed a lot of water and it seems to be leaching through the wood siding and dampening the interior of the coop. I'm worried about the dampness combined with...
cheap??
that depends upon how much the straw bales cost and how big the coop would be, I guess..
If the question is; can it be done?
yes..
would it be warm? If built tightly and not too large for the number of chickens being housed.. yes