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I'm about to install 36" panels. They are overlaping panels with 3/4" ribs every 9" with leser ribs between. I'm concerned about the valley flashings for the dormers and have been looking for a good photo or illustration of a valley dumping onto another panel. I found a photo on this site but it was of a standing seam installation. I know that the valley must terminate above and onto the other panels but I'm not sure how to achieve it. The valleys are of the W type. Also: It would be great to find an illustration for intersection of the two valleys above the dormer. Thank you!
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The pictures of the dead valleys you saw on this site were probably mine. A through-fastened roof would work the same way. You may wind up with a panel rib in the way where the valley terminates. If this happens, you can get a curb comapny to make you a rib cover that will seal off the open end of the rib of the lower panel. The rib cover will need to have a base that is long enough to extend up, under the the end of the valley flashing. Attached is a picture of one for a standing seam roof.
7/5/2007
NCI Building Systems, Inc.
7/9/2007
NCI Building Systems, Inc.
7/9/2007