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Old 02-07-2014, 04:55 PM   #16
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Why Is My 4 Year Old Roof Doing This?


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Originally Posted by Colbyt View Post
Most of the guys who do this for a living do not nail a full row across and then do the next row. They work 3-5 shingles wide up the roof and then start again at the bottom. As the seams have to be staggered, when they start the second upward run they have to lift the nailed shingle after they slide the shingle under to nail it. Check out the 10th picture down on this page: townsendroofing.com/our-step-by-step-re-roof-process.php
That picture just shows a few stepped courses, I don't see any racked rows that would necessitate lifting a shingle to nail. The OPs roof was done in the same method, just with 3tabs and a 4" offset. 4" offset is the minimum for a shingle not to leak, though it looks nice I guess.

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Old 02-07-2014, 05:05 PM   #17
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Why Is My 4 Year Old Roof Doing This?


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What are you taking about? If you've been installing shingles that are stepped that way, you're doing it wrong.

I can assure you I am not one of those guys. The few times I get forced into doing a square or 3 job I RTFM on the package and follow directions.

If on the other hand you watch any crew working on track housing that is what you will see.
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Old 02-07-2014, 05:07 PM   #18
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Why Is My 4 Year Old Roof Doing This?


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Originally Posted by Colbyt
I can assure you I am not one of those guys. The few times I get forced into doing a square or 3 job I RTFM on the package and follow directions. If on the other hand you watch any crew working on track housing that is what you will see.
I'm still really confused. There is no need to lift any tab when stair stepping shingles. Lifting tabs only comes into play when racking shingles which is how all three tabs should be installed so you can make certain the rain lines all line up together.
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Old 02-07-2014, 05:11 PM   #19
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Why Is My 4 Year Old Roof Doing This?


I may have picked a bad picture. Show me a rack job one and I will comment.

Usually the guys aren't really stepping; they are going straight up. Half tab off the first course, full shingle on the second then repeat the first.
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Old 02-07-2014, 05:24 PM   #20
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Why Is My 4 Year Old Roof Doing This?


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I may have picked a bad picture. Show me a rack job one and I will comment.

Usually the guys aren't really stepping; they are going straight up. Half tab off the first course, full shingle on the second then repeat the first.
Those guys might not know how to do it right.
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Old 02-07-2014, 05:25 PM   #21
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Why Is My 4 Year Old Roof Doing This?


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I may have picked a bad picture. Show me a rack job one and I will comment.

Usually the guys aren't really stepping; they are going straight up. Half tab off the first course, full shingle on the second then repeat the first.
What your describing is a racked roof, normal for 3tab and fine if done right.
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Old 02-12-2014, 12:46 AM   #22
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Why Is My 4 Year Old Roof Doing This?


First of all the overlaps are not centered, looks like about a 4" overlap.
So as a poor quality paper core shingle they probably all look like this
It would not be noticeable if it were centered at 6 1/2".
The continuous 4" stagger gives it the zipper effect.
We see this in a CertainTeed Presidential install if a rookie does it.
This looks like a rookie did it.
This shingle will probably not deteriorate any faster than they would normally.
It would be nice to know which manufacturer made it though.
Are you experiencing any granule loss yet?
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Old 02-25-2014, 06:14 PM   #23
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Why Is My 4 Year Old Roof Doing This?


Whoever is posting about the Elk roofing needs to realize that isn't the only good shingle out there with a warranty. Plenty of other shingles have a good warranty on them.

Anyway, not quite sure why nobody is saying anything about how windy it has been there. A quick fix would be to get some tar yourself and put it on the underside of the shingles that are lifting. It is not moisture problems lifting them up or the inside of your attic would have signs of moisture. The decking would be dark or even black and mildewed.

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Last edited by TedLeger; 02-25-2014 at 06:17 PM. Reason: Added to it
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