Since a shed roof generally has a much steeper slope it usually lets the water roll right down it and over the edge.
Shed roof advantages and disadvantages.
A metal roof is a 100 upgrade easy to repair.
A basic roofing design with only one slope is easier and less time consuming to work on for contractors and this translates into lower roofing construction costs.
If they get damaged shingles are considerably easier to repair than metal.
Pooling water on a roof can cause leaks and other damage.
Lots of built up snow adds extra weight to the roof that can also cause damage so shedding water and snow more efficiently is a definite advantage.
It has a lower profile than the skillion or gable so may be more suitable to some neighborhoods.
It does shed rain and snow shed more easily with the greater slope.
At bylers architectural shingles are standard on all sheds and are included in the price of a building.
Yes shed roofs are cost effective options because of their simplicity.
Granted they also get damaged more easily.