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Joe (Joe)
Moderator
Username: Joe

Post Number: 575
Registered: 07-2006
Posted on Friday, November 05, 2010 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Read this article about flat-lock soldered copper roofs: http://www.traditionalroofing.com/TR6_flat_lock.html
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Old_school (Old_school)
Senior Member
Username: Old_school

Post Number: 538
Registered: 01-2009
Posted on Thursday, November 04, 2010 - 09:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Put a metal roof on that low sloped area and slate from there up!
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Chris (Chris)
Advanced Member
Username: Chris

Post Number: 49
Registered: 09-2009
Posted on Tuesday, November 02, 2010 - 04:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

4:12 is really the minimum slope for slate
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Bradzehr (Bradzehr)
New member
Username: Bradzehr

Post Number: 1
Registered: 11-2010
Posted on Tuesday, November 02, 2010 - 02:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have a porch roof with a about a 2.75:12 slope.
I am thinking that I should not use slate on it do to the low slope.
Do you agree?
Thanks for any input.
See image.
Bradphoto of roof
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Jon Geib
Posted on Wednesday, June 20, 2001 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have a case where some roof slopes are 1:4 or 4" rise to 12" run. What is done in his case using slate roof tiles? Is the headlap increase from 4" to 5"?
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Joe Jenkins
Posted on Wednesday, June 20, 2001 - 07:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

The headlap should be 4" on a 4:12 sloped slate roof. However, slate roofs always benefit from a steeper slope. Slate roofs should not be walked on, and low slope slate roofs *will* be walked on - guaranteed. If it's a low enough slope to walk on, Bigfoot will be up there sometime over the life of the roof and he will greatly reduce the life of the roof by walking on it and breaking the slates. A good slater *can* walk on a low slope roof and not break it, but it takes experience. So if you can make the roof steeper - too steep to walk on - you'd be far better off. Good slopes for slate are 10:12 or 12:12, although lower and higher slopes work too.

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