I like Blair's idea, but I've always used a silicone sealant that doesn't use acetic acid as the curing agent. Dow #739 is one type, but any silicone sealant that is rated as food-grade, or for aquariums, should work fine. The 739 is a "moisture-cure", 100% silicone, which uses moisture present in the air as the curing agent. I was told many years ago that this is the stuff that is used by module manufacturers to attach and seal module junction boxes and the exit point in the laminate where the tabs come out. It would be great if a module rep could confirm this with us.
Brian Teitelbaum AEE Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Blair May Sent: Tuesday, May 25, 2010 3:09 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Rip in panel backing I use a heat gun to remove moisture & smooth out the rip then I've used some bitchathane w/ foil tape over that. I am not sure about the possible corrosive effects of the silicone during curing. -----Original Message----- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of bob Sent: Tuesday, May 25, 2010 5:49 AM To: 'RE-wrenches' Subject: [RE-wrenches] Rip in panel backing I have a customer who just put a rip in the (tedlar?) on the back of a Solar World 175 watt panel. For some reason he thought that he needed to move the leg to a different hole on his RGM mount instead of just collapsing it. What's the best way to seal it back up? There is no other internal damage that is noticeable its about 1.5" long and ½" at the widest end. My first thought is to use silicone caulk, but I thought I would pick the collective brain, so to speak. Thanks, Bob Ellison
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