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Solar panels on metal roof

Posted by carajon (My Page) on
Mon, Mar 27, 06 at 22:08

We are thrilled that our solar panels (pv and thermal) will be installed soon. We were expecting to install them with S5 clips onto our metal roof (brand: Everseam). Now one of the solar guys is getting nervous about whether the clips will hold, so is suggesting that we put bolts through the roof to hold the racks that will hold the panels. Now I am worried about putting holes in the metal roof.

I was wondering if anyone else has had any experience with solar panels on metal roofs?

Thanks!


Follow-Up Postings:

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RE: Solar panels on metal roof

We're still in the planning stages of a PV system using the same clips. There is no way in heck I'd allow the solar contractor to penetrate the metal roof membrane. This clip system is one of the main benefits of the metal roof/solar panel combination!


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RE: Solar panels on metal roof

Are these clips for use on a "standing seam" metal roof?


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RE: Solar panels on metal roof

Yep. Here's their website.

Here is a link that might be useful: S-5! manufacturer website


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RE: Solar panels on metal roof

Thanks for the website, just what I needed!


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RE: Solar panels on metal roof

Hi,
I have 7200 Watts of GE 200W PV panels and 2 Heliodyne 4 x 8 SDHW panels mounted on a standing seam metal roof with the S5 clips. The only roof penetration is the conduit for the wires. Rock solid.


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RE: Solar panels on metal roof

I live in South Florida and I'm worried about hurricanes and whether the S5 clips would stand up to the winds or whether they might tear the metal roof off. I had the panels taken off the old shingle roof and now they are just sitting in my back yard. Anyone have any thoughts or opinions?


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RE: Solar panels on metal roof

now they are just sitting in my back yard. Anyone have any thoughts or opinions?

Yep. What's your address? ;-)

(Just kidding, but with what PV costs these days I sure wouldn't leave them in the back yard!)


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RE: Solar panels on metal roof

That was my thinking, for the Florida house. Now that I am
importing, I got a price on 240 watt PV panels for $240 each,
FOB. I need to purchase a minimum of 40. Good deal? FPL is continually increasing prices so I think that the dryer, cooktop (oven needs to be electric), and water heater needs to be gas since it is around .50c/therm. This will take the load off of the fridge, freezer, and pool pump at least 50% if my calculations are correct, based upon a 4.8 kw system.


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RE: Solar panels on metal roof

Still looking for info on installing solar panels on a metal roof for heating a pool in Fl. Help please.


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RE: Solar panels on metal roof

the clamps are definately the way to go. Is your roof Standing seam? There are have several jobs that are out there. One with over 10,000 points of attachment and no roof penetrations. PV integrators are actually installing metal roofs just to have the clamps availablility. As far as the holding strength of the part, its is definatley strong. Almost all cases it is stronger than the roof clips.


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RE: Solar panels on metal roof

Yes, my roof is a stanting seam. Can you tell me where some of the jobs are? I didn't understand when you said "almost all cases it its stronger than the roof clips".


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RE: Solar panels on metal roof

No experience yet, but this is in Mother Earth News March/April 07' (?.

New Thin-Film Solar Panels: Fast, Simple & Smart
byAubrey Vaughn:March 2, 2007
http://www.motherearthliving.com/issues/motherearthliving/alternative_energy/New-Thin-Film-Solar-Panels-Fast-Simple-Smart_354-1.html

For those who might be interested in alternative roofs:
www.greenroofs.com


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RE: Solar panels on metal roof

I can't believe this thread is still going on! When I posted about a year ago our house was still a plan on paper. It's about 3 months from completion now, and our solar contractor just installed the PV panels on our metal roof. In the snow, no less.

My partner has a little website with construction pics on the first page. At least today, a pic of the new solar panels attached to our standing seam Galvalume roof with S-5! clamps is on the upper right of the first page at the following link (the progress pics change often so it may not be there the next time you look).

Here is a link that might be useful: Construction pics of my house showing solar panels


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RE: Solar panels on metal roof

Interestingly "This old house" (for what it's worth) is doing a bungalow with a standing seam metal roof and solar panels. I believe they are using similar clips to connect to the standing seams on the roof to attach the panels

Diane


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RE: Solar panels on metal roof

In the past, I've purchased the S-5 clamps/clips from LMCURBS...excellent lead times and great technical support.

Here is a link that might be useful: LMCURBS Website


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RE: Solar panels on metal roof

bushleage, where are you getting the panels so cheap?


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