5" seamless gutters are the bread and butter of most gutter companies.  They are aluminum so they will never rust.  There are many reasons to get gutters, but the main reason is to protect your foundation.  If your home or structure does not have proper sloping away from the structure water can seep into the ground and under your house, causing problems.  

5" gutters are typically used on a house that the slpe of the roof is a 5/12 pitch or below.

We will have one of our trained estimators determine this for you and give you a detailed writtn free estimate.