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BIPV, looking for seals that may go between panels to build a carport.

 
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I am building a carport. I am looking for affordable and effective seals to go between the panels to prevent water from leaking through. Some use the term BIPV, building integrated photovoltaics. I want to be able to see the panels from beneath, open air.
Any references on materials and methods would be greatly appreciated. Thanks george
 
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Location: SW Missouri
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If you manipulate the brackets so that the panel edges are flush with each other, you could just use clear window silicone in a caulking tube to seal all the joints. Silicone is flexible and you can fill a pretty big gap.  Keep in mind that solar panels need cleaned a few times a year to keep production up, so your going to want to build a structure that can not only support the weight of the panels, but also you up there wiping them down with windex.  You need space to work around, so I don't know that you'll be able to pull off using the panels "as" the roof. You can't stand on the panels.
 
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Location: Victoria BC
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I intend to try sealing between closely mounted panels using eternabond tape. I've had some over lines of rivets atop a bus for about 6 years and it still looks good..


I intend to hit the panels with a hose as convenient, and scrub with a long handled brush is absolutely necessary. I guess if I really had to get close I would use a railed pallet on the tractor forks... but the panels I have been running for 2 years seem fine without scrubbing.
 
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