On Fri, 10 Jul 2009 14:50:43 -0700 (PDT), bob haller
wrote:

animals move in under shed, concrete much better choice.

you could build a one block high wall around permiter then pour floor.


One block in the footer, then what another course, before he pours.
Gotta have footer, right? So he would need a footer and two courses of
block, soil and compaction before the pour? Just checkin'

why dont you want concrete?

Maybe allergic to work?