It s made from a permeable material and is placed on top of the metal roofing panels at the ridge of the roof.
Steel roof vented ridge cap.
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A ridge vent is designed to allow air to flow freely from the attic.
10 wide 1 11 5 wide 2 12 wide 10 9 wide 2 no cap shingle 2.
The steps above explain steel roofing ridge cap installation for the most common metal roof and cap designs.
Roof ridge exhaust vent in black case model 2018000 93 31 case.
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The ridge vent is then covered with a metal ridge cap the purpose of the ridge vent is to create constant air flow along the horizontal ridge of your home.