The most common type of guttering systems is the seamless K-style one.  Whether you are looking for traditional residential aluminum gutters, 5 inch is more than enough for a regular house. Sometimes houses that has a pretty much high pitch roof and requires a bigger 6 inch gutter in order to catch all the rainwater and prevent overflows. The aluminum gutters are lightweight and cost-effective option that leave your home’s exterior shining, used to control runoff, protect walls, and help prevent foundation erosion.