Open and Closed Valley
#1
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Join Date: Jun 2003
Location: USA
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Open and Closed Valley
Am getting ready to replace roof. Present roof is composite over old wood shingles. Have to pull up shingles and put down sheathing over entire roof. Have metal valleys at present, but believe most have recommended going to closed valleys. Does anyone have pictures of a properly installed closed valley, and can you explain how to do it best? Have heard that tips of shingles need to be cut, and that shingles must completely cover the water flow area. Hard for me to visualize this. Any help appreciated. Thanks.
#3
While I agree with the above post to some extent - I prefer closed valley for the aesthetics - especially a woven closed valley. I'm an experienced DIY roofer (3 under my belt to date), but not a professional - so will wait to see if you get a "pro's answer" to the methodology before I pass on my personal "how to" advice. PM me if you get no responses in a reasonable amount of time.