Robert Gammon wrote:
Adding drip irrigation to the perimeter of the home helps restore the
moisture to the sand under the first several inches from the edge of the
slab, in theory, reducing the stress on the slab. Slabs will crack,
windows won't open, doors won't close, cracks develop in the sheetrock
inside and I have seen cracks in the exterior masonry walls.


Do you mean by this that it's a bad idea?