Valley Flashing On Dormer

 
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Old 08-23-2007, 10:54 PM   #1
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Valley Flashing On Dormer


How do you terminate valley flashing into main roof on 36" corrugated metal roof ? Illustrations or pics would be great!

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Old 08-24-2007, 05:10 AM   #2
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Re: Valley Flashing On Dormer


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How do you terminate valley flashing into main roof on 36" corrugated metal roof ? Illustrations or pics would be great!
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Old 08-24-2007, 03:52 PM   #3
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Re: Valley Flashing On Dormer


Never done one of those. But, I know you need to pop the first several boards from the valley, on the dorma, to insure the dorma side panel extends well up the roof. That detail alone can overcome some other mistakes.

One other tip. That panel below the dorma should have the seam 'away' from the valley. Otherwise, water can cross and get under there.
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