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Old 11-18-2008, 08:28 PM   #1
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"W" valleys meet at a dormer ridge


I am installing a metal panel roof. There is a dormer that connects to the main roof part way up the main roof. I have "W" valleys where the two roofs meet. How do I bring the two valleys and the ridge cap of the dormer and the panel of the main roof together. I have already tried something, and it is not going to cover the small inverted "V" in the center of the "W".

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Old 11-19-2008, 01:00 PM   #2
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"W" valleys meet at a dormer ridge


Use sheet lead from a plumbing supply facility. It is malleable but needs to be formed gently with a rubber mallet or the handle of the roofing hammer, so it does not tear.

Alternatively, you can have the W-Valley metal bent so the inverted "V" tapers down to Zero as it gets to the top of the last sheet of valley metal.

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Old 11-23-2008, 10:47 AM   #3
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"W" valleys meet at a dormer ridge


You can cut the metal to lock together and either caulk or solder the seams, depending on what type of metal you are using.
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Old 07-23-2012, 02:18 PM   #4
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"W" valleys meet at a dormer ridge


mine I think is about the same question. But having gone to the trouble of taking pictures, I thought I would post my situation anyway.

Am also wondering how to merge 2 w-valleys and cover them with a sheet of roofing steel coming from the ridge above.
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"W" valleys meet at a dormer ridge-p1010814.jpg   "W" valleys meet at a dormer ridge-p1010815.jpg   "W" valleys meet at a dormer ridge-p1010816.jpg   "W" valleys meet at a dormer ridge-p1010817.jpg   "W" valleys meet at a dormer ridge-p1010818.jpg  

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Old 07-23-2012, 07:44 PM   #5
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"W" valleys meet at a dormer ridge


Join the w valleys together where they meet perfectly. They can be done pretty easily, you may have to make several cuts to get it right. Seal where they join together with caulk, try to make it lap. Your valleys should be watertight at the point. Then your ridge cap can be cut at the same angle at the center of the valley and folded down over the "w".

"W" valleys meet at a dormer ridge-100_2008.jpg
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Old 07-23-2012, 07:54 PM   #6
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"W" valleys meet at a dormer ridge


Nice job!
thanks.
I'll try to emulate that elegant work. (fat chance.)
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Old 07-24-2012, 04:23 AM   #7
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"W" valleys meet at a dormer ridge


Nice work Ron.
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Old 07-24-2012, 06:14 AM   #8
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"W" valleys meet at a dormer ridge


you wouldn't happen to have a detailed picture of how you trimmed and joined the peaks in the w-valleys would you? I am still stumped. (though I expect trial and erroring through a couple of sheets of W-valley I should find a solution.)

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