The use of gutters ensures that water never deteriorates a structure or causes unnecessary damage. Water that has been flowing in the same location will eventually start to erode the area which it has been running through. In the case of a home, this is normally around the foundation. When this happens, small cracks start to form in the foundation. If the water is allowed to persist, the foundation will become unstable.
Gutters will be setup so that all of the water runoff leads directly into a gutter. The gutters will be designed so that the water is routed away from the structure. This allows for proper draining and ensures that the structure never suffers damage related to the water runoff during a storm.
If gutters are installed improperly, damaged or not present, a structure may experience the following: