There was a fellow woodworker on one of the web sites maybe here that used reclaimed crushed concrete as fill before putting in a concrete floor & said it packed real hard. Maybe someone else can add to this.
Here you go...http://familywoodworking.org/forums/...ushed+concrete Take note of Vaughn's Texas 2 sack method.
This all sounds fine but it's always been my preference to put plastic & a few inches of 3/4" or 5/8" gravel on top of the plastic. Set 8" block down just proud of the surface of the ground about 3" to set the shed floor frame on. You can space the block apart a bit they don't need to be right tight to each other depending on the structure.
Last edited by Bart Leetch; 08-08-2011 at 08:08 PM.
"Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
"If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart