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Milo (Milo)
Advanced Member
Username: Milo

Post Number: 44
Registered: 05-2009
Posted on Wednesday, March 29, 2017 - 08:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Here is a video , found on this site under "Videos", that I think demonstrates one way of doing what I think you are asking.

https://m.youtube.com/watch?v=D40axEpacqU&feature=youtu.be

MILO
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Stumpfarm (Stumpfarm)
New member
Username: Stumpfarm

Post Number: 1
Registered: 03-2017
Posted on Wednesday, March 29, 2017 - 01:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

New here. I have read the slate roof bible and am still confused about how the top of two valleys keeps water from getting under the ridge cap (metal cap or slate). I understand that you can fold the two valley flashings over each other and then have the cap run over that, but I don't understand what is supposed to keep water from running down the roof and under the ridge slates (or metal cap)? The pictures are of my 1850's cottage and I have leaking into the attic space right around this transition. Looks like awhile back someone tried to caulk under the ridge slates to prevent water from getting under the cap, but I'm looking for a permanent fix and information about historical practice here. I'll be installing a reclaimed peach bottom slate roof on my farm property and want to get it right. Thank you
copper valley top transition

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