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Old 10-27-2016, 12:20 AM   #1
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remaining life on this rolled roofing portion on roof?


Hope I can still get some use out of it before replacement. The red bits along the center are the granules from the red shingles. There's a few places with small cracks on the top layer of the rolled roofing.
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Last edited by daluu; 10-27-2016 at 12:21 AM. Reason: clarification
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Old 10-27-2016, 07:36 AM   #2
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Re: remaining life on this rolled roofing portion on roof?


Looks like a dead valley from that picture.
Needs to be removed and replaced ASAP, not just patched up.
http://www.graceprosintheknow.com/dead-valley-roof/
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Old 10-27-2016, 07:44 AM   #3
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Re: remaining life on this rolled roofing portion on roof?


Some granule loss is normal over the life of the shingle. What is not recommended is that valley design from a function standpoint.

I am going to bet you are going to have leaks along that run and re-doing that valley in metal might not be a terrible idea.
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Old 10-27-2016, 09:50 AM   #4
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Re: remaining life on this rolled roofing portion on roof?


I'm guessing that is an SBS Modified not a #90 roll?
If its an SBS how long has it been in place?
In a situation like that I would give an SBS Modifed 10-20 years and a #90 1-5 years. A world of difference.
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Old 10-27-2016, 10:51 AM   #5
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Re: remaining life on this rolled roofing portion on roof?


That has been in place / installed for 2 yrs. I think it is SBS but will check with my roofer who installed it.

Last edited by daluu; 10-27-2016 at 10:55 AM. Reason: fix typo
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Old 10-27-2016, 03:14 PM   #6
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Re: remaining life on this rolled roofing portion on roof?


Quote:
Originally Posted by joecaption View Post
Looking at the linked site's comments section, looks like some folks recommend building a cricket over the dead valley, then shingle & flash over that? something like this?:



or is my valley too short and/or not steep/deep enough for such a cricket?
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Old 10-27-2016, 03:30 PM   #7
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Re: remaining life on this rolled roofing portion on roof?


That would have been a far better way to do it.
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Old 10-30-2016, 11:27 PM   #8
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Re: remaining life on this rolled roofing portion on roof?


By the way, here's a closeup of one area of that valley.
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Old 10-31-2016, 05:53 AM   #9
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Re: remaining life on this rolled roofing portion on roof?


That picture almost looks like the shingles are running under not over that valley.

and is that "crack" in the middle a material crack or some crusted on debris?
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Old 10-31-2016, 07:23 AM   #10
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Re: remaining life on this rolled roofing portion on roof?


+1 The picture is weird like @craig11152 said. Looks like the shingles are under.
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Old 10-31-2016, 11:59 AM   #11
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Re: remaining life on this rolled roofing portion on roof?


Somehow that photo came out weird when I got a close up or zoomed in on my iPhone. (iPhone camera problem?) The shingles are actually over that. It looks proper on the zoomed out overall photo.

And there's 2 layers of that as well, overlapped. One layer for each of the intersecting roofs. We only see the top layer here.

As for the crack, it seemed to be deterioration of the material instead of caked dirt on top. The material is thinning out with loss of granules where some water ponds.

Last edited by daluu; 10-31-2016 at 12:00 PM. Reason: clarification
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