______________________________Zack said:If you leave sheetrock in the weather it will crumble. I plan on dumping mine in some foundation trenches after I weather it for a bit.
I would advise against putting anything in or around a foundation of a house or other building that will rot or decay.
Later on there will be earth movements that could cause trouble, as the material changes it's form.
Dirt will settle in a little while but building material will take a lot longer and continue to decay and move for many years.
Anything that rots is not stable.