Roof Valley Inspection

There are primarily three different types of valleys installed today when using asphalt shingles– a closed valley, open valley, and a metal valley.

Closed Valley open metal valley open butterfly valley
Closed Valley Open Valley / Open Metal Valley Butterfly Valley


View common roof valley problems:

Open valley that has been heavily tarred Bad Roof Valley Deteriorating Open Shingle Valley

Open valley that has been heavily tarreddue to possible past water leak.  This valleyhas limited life.

Both closed valleys have been caulked, this generally represents a leaking valley inside the home.

Deteriorating open shingle valley,should be repaired or replaced.