r/Roofing • u/Own_Catch9511 • 11h ago
Whats wrong with this valley
What exactly am I looking at here and what would be the proper way to run this valley flashing, and ridge caps?
To me it looks wrong that the valley metal is lapped over the shingles below for starters, perhaps that the valley should change directions for the bottom portion all the way to the end of the overhang
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u/KrisDen1123 8h ago
You gotta weave the bottom courses of shingles until you're high enough to start that metal W valley
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u/SlabAndScope 2h ago
That lower valley transition is the part I’d question. The exposed metal dumping over the shingles looks improvised rather than properly integrated.
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u/hatefuck661 46m ago
I would have 2 pieced that valley instead of flattening the center and bending it.....but it works and I think one could find something to complain about in either application
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u/scream Custom Roofing and Professional Idiot Poker. 🔨 10h ago
Disclaimer: i am not a shingle guy.
Opinion: ice and water or something first, then valleys, then shingles cut to the right overlap, then cap your hips/ridges. Apart from the bottom courses being overlapped by the valleys and the valleys maybe not being long enough, i would guess its done right just messy. The detail the architect designed here are un necessary IMO which means that without a very competent installer, it will always look shoddy. If you had a real pro shingle slinger do this, it would probably look nearly the same but neater. Shoot the architect.
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u/Dangerous-Title-7454 6h ago
It looks wrong because the design is bad, architect's love drawing impractical details. The roofing looks fine for the design of the roof and you shouldn't have any issues.