Open or Closed Valley?
What's the difference between an open or closed valley and why is that important?
Below is a photo of an open tile roof valley:
Below is a photo of a closed tile roof valley:
At first thought, most homeowners will select a closed roof valley because it looks better. The problem, nobody explains the disadvantage associated with that choice.
Unless your home has no trees on the property a closed valley is a poor choice, it requires maintenance to remove leaves and debris that get trapped under the roof tile.
The trapped debris caused water to back up and results in roof leaks. Additionally, the trapped, rotting material, causes the valley metal to rust and eventually leak.
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