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New Standing Seam Metal Roof....looks terrible

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New Standing Seam Metal Roof....looks terrible

Old 09-09-2018, 06:16 PM
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Default New Standing Seam Metal Roof....looks terrible

5 months in to a major reno including a new standing seam metal roof in galvalume. Roof looks absolutely terrible. I've seen a lot of metal roofs in my lifetime and I've never seen one that looks as bad as this. It's all lumpy and bumpy in the flat sections, and the seams look all choppy and lumpy too. I asked for a power seamer to be used on a 180 seam but it appears they must have hand seamed it or something. You can see tool marks and uneven bends all along the seam.

I tried to give them the benefit of the doubt, thinking it would all come together at the end, but it hasnt. Not sure what my options are here on this, I'm certain it won't go well if/when I insist the entire roof be redone but there's no way I'm going to be able to look at this roof every day and not hate it.


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Old 09-09-2018, 06:21 PM
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Did it look like it does when you paid them or has it gotten worse?
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Old 09-09-2018, 06:27 PM
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Hate it for you. May be a foolish question but did they tear off the old roof before putting on the new? My contractor will not put on a metal roof on top of a shingle roof for the reasons you stated. Good luck with your outcome.
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Old 09-09-2018, 06:28 PM
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Did you have them put striations in the flat sections? What gauge metal did they use? What is the distance between the seams. The lumpiness in the flat areas is not uncommon if you did not put striations in the flat panel. It is commonly referred to as oil canning. I would have to see the seams and see what profile they used there to see what that problem is. I just finished have 160 squares of standing seam done on my new house. It took my roofer forever but the results are fantastic. I did 16" panels with striations in Galvlume.
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Old 09-09-2018, 06:33 PM
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What gauge are the metal panels?
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Old 09-09-2018, 06:59 PM
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Need to check again on the gauge, we do have striations.
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Old 09-09-2018, 07:02 PM
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Here's the area on top of the flat roof section (covered lanai)
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Old 09-09-2018, 07:10 PM
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What is the substrate made of?
"Oil Canning is not a reason for rejection" is stamped on most manufacturers data sheets
If you have striations I sure dont see them. Looks smooth between the seams to me
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Old 09-09-2018, 07:11 PM
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That first pic looks like the whatever is under the metal is far from flat. If the deck under it's not flat it's going to cause all sorts of problems. Those seams do look like crap though.
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Old 09-09-2018, 07:18 PM
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The bumps in the seams look like the hold down clips mirroring through the metal. I would find out what manufacturer and panel they used then check the installation guidelines for that system.
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Old 09-09-2018, 07:28 PM
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My guess is you took the lowest bid for the job?
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Old 09-09-2018, 07:52 PM
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Originally Posted by moneyeater View Post
My guess is you took the lowest bid for the job?

If you knew me, you would know I never go with the lowest bid for the job. But yes, the work looks like it was done by a couple high school kids.


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Old 09-09-2018, 08:20 PM
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The subroof/ underlayment/ sheathing is all jacked up. As well as the seams. Good luck
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Old 09-10-2018, 05:07 AM
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Very poor prep and install. I would be concerned about picture number two where the bucket is. That is set up for a leak in a driving rain. Looks like they added trim boards after roof and trim that is on has no membrane under it. The cheek wall that is open should show a quality underlayment such as blue skin going up and under roof. Also no head or counter flashing where upper roof meets lower roof in first pick. If they show up with a case or two of caulking to finish the job beware.
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Old 09-10-2018, 06:17 AM
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That sucks; it looks like not one part of the job was done correctly, starting with the sheathing. Do you have a contractor overseeing the reno or are you contracting all of this yourself?

Last edited by mikefloyd; 09-10-2018 at 01:09 PM. Reason: typo
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Old 09-10-2018, 10:54 AM
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Originally Posted by briankinley2004 View Post
The bumps in the seams look like the hold down clips mirroring through the metal. I would find out what manufacturer and panel they used then check the installation guidelines for that system.
A before picture would tell a bunch. It looks like a lot of deflection in the rafters in the first pic and some other lumps ect. under the metal. I would say they used a 4" hand brake to crimp the seams as there was so much sag that a straight seam would not cover the lap area. I will defend the installer to this limited degree, they did the best they could with what they started with.

Sure is not pretty, but will probably not leak.
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Old 09-11-2018, 06:20 AM
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Originally Posted by mikefloyd View Post
That sucks; it looks like not one part of the job was done correctly, starting with the sheathing. Do you have a contractor overseeing the reno or are you contracting all of this yourself?
We have a GC, who is also a roofer. However like any GC, he is rarely ever at the job.


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Old 09-11-2018, 09:09 AM
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I don't know anything about standing seam roofs... except that I like them. The one in your pictures does not look like the roofs in my neighborhood. Yours does not look professional IMHO. (Sorry).
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Old 09-11-2018, 09:57 AM
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Originally Posted by OffshoreApparel.com View Post
We have a GC, who is also a roofer. However like any GC, he is rarely ever at the job.


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The last 3 remodels I did the GC was there at least every other day and would have been dealing with something like this before I knew about it.
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Old 09-11-2018, 10:09 AM
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I have to agree, it's a poor job. The tool work on the seams is awful. I've seen roofers use the proper tools and a neat job can be done by hand. In the first photo, the dip from bottom to top appears to be because the roof/underlying rafters are sagging which is probably not the roofers fault. I can't explain the ripples in the panel.
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