contractors faced with serious foundation problems often bring in house movers as subs. Though major reconstruction jobs are rare, smaller-scale problems are Cracks over 1/2 inch wide or over 1/4 inch and still moving, require structural attention. Water flow under a foundation can lead to erosion, and undermine a stone or unitmasonry wall. A heavy point load combined with an undersized footing can lead to a distinctive pattern of cracking. Check Your Gutters Most of the foundation problems I run across are caused by water. Sometimes, houses are damaged by water that sneaks in unexpectedly — from a change in the water table, or an improvement to a yard or neighboring property that shunts a little stream toward the house. But most of the time,