foundation settlement

Does a foundation “repair” company really drive down to bedrock?

Foundation Repair Companies - 

Regardless of the type of foundation, there are two common reasons for foundation movement:

1)    Response to soil volume change (shrink, swell, or settle): Response to soil means that the foundation will move in the direction the supporting soils move. The simplest way to understand this is to understand that soils move in four directions: up, down, and the sides (left and right).