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Old 08-31-2009, 08:14 AM   #1
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Roof Valleys


Is their anyone who could upload a closed weave format on how to correctly lay them to the top.I'm sure i'm doing it right,but man if i'm not.
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Old 09-02-2009, 10:22 AM   #2
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Roof Valleys


Well here's the first of many to come
"Bump"

..suppose you thought you could get rid of me that easily,my shingle-less roof ain't going anywhere anytime soon.

Last edited by Dyn'R; 09-02-2009 at 11:02 AM.
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Old 09-02-2009, 01:00 PM   #3
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Roof Valleys


Since no-one else has responded, here is a link that shows a couple different methods to shingle a valley. Personally, I like the fully woven valley better than any of them.
http://www.roofer911.com/roofing-art...ng-valleys.htm
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Old 09-02-2009, 01:11 PM   #4
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Roof Valleys


here's one more: http://books.google.com/books?id=VFT...age&q=&f=false

And 99 more: http://books.google.com/books?ei=h7S...ofing&as_brr=3
Be safe, G
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Old 09-04-2009, 06:30 PM   #5
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Roof Valleys


Thank you guys and or gals
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Old 09-04-2009, 09:26 PM   #6
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Roof Valleys


Quote:
Originally Posted by Dyn'R View Post
Thank you guys and or gals

A full weave will only work right on roofs with the same pitch.

If two roofs with different pitches come together,a half weave would be better.
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Old 09-05-2009, 09:41 AM   #7
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Roof Valleys


Hi,

A weaved valley is asking for trouble. Bridging is a big problem.

Only use 3-tabs if you are going to do a weave.
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Old 09-05-2009, 10:14 AM   #8
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Hi,

A weaved valley is asking for trouble. Bridging is a big problem.

Only use 3-tabs if you are going to do a weave.
Could you explain what you mean by Bridging?

I've wove valleys without any integrity problems,so I was curious to what your saying.
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Old 09-05-2009, 10:32 AM   #9
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Hi,

You just did not see the problem.

It is impossible to get the shingle to completely conform to the change in plane. It will not lay completely flat. So you will have bridging.

A bridge spans an opening.

The lamanite will have gaps no matter what you do. It is just the nature of the shingle. 3-tabs are the only shingle you can weave safely. And that is if you pay attention to what you are doing.
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Old 09-05-2009, 11:01 AM   #10
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I know what talking about now.

I've only seen this happen if you try and force the shingle in a direction it doesn't want to go.
Once the course side of the shingle is nailed,we let the valley side drop into place gently and nail it.
If your following the same plane consistantly across the valley,there doesn't seem to be any reason for bridging,unless one nail is put in the shingle across the valley and then it is pushed down for a second nail,litterally,twisting the shingle.

I can see this happening only if the valley had a dog leg in it,as you would be starting to change planes,but not on a straight valley.

I just grabbed a Timberline and bent it to simulate a valley application,there was no bridging,unless the shingle was twisted out of plane.

We've done these weaves for 25 years without any problems or call backs.
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