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<blockquote data-quote="binky" data-source="post: 513830" data-attributes="member: 490"><p>It's only an issue if something goes wrong, or someone put panels on a knackered roof. Other thatn that they should be fine for 30 years or so. I've only come across 3 fialed panels, 1 was directly under an aerial and the birds shat all over that panel eventually cuasing a hot spot and burn out, the other 2 were donw to a prat with a pressure washer cleaning the roof and damaging the anels in the process. The most failure is water ingress into a connector, cable tying the connecotrs to the rails stops that, along with actually doing the connectors up properly in the first place with MC$ spanner which costs a couple of quid. Pidgeons can be an issue nesting under the panels, the build up of debris can cause earth leakage via the backsheets of the panels. The backsheets are slightly permeable soft plastic sheet, bits of stick sticking in it doesn't do it a lot of good. </p></blockquote><p></p>
[QUOTE="binky, post: 513830, member: 490"] It's only an issue if something goes wrong, or someone put panels on a knackered roof. Other thatn that they should be fine for 30 years or so. I've only come across 3 fialed panels, 1 was directly under an aerial and the birds shat all over that panel eventually cuasing a hot spot and burn out, the other 2 were donw to a prat with a pressure washer cleaning the roof and damaging the anels in the process. The most failure is water ingress into a connector, cable tying the connecotrs to the rails stops that, along with actually doing the connectors up properly in the first place with MC$ spanner which costs a couple of quid. Pidgeons can be an issue nesting under the panels, the build up of debris can cause earth leakage via the backsheets of the panels. The backsheets are slightly permeable soft plastic sheet, bits of stick sticking in it doesn't do it a lot of good. [/QUOTE]
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