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Galvanic corrosion

PostPosted: Wed Mar 13, 2019 11:57 am
by KOOTA
what happens when you have aluminium plate on a copper roof, my understanding is that the aluminum will corrode. yes or no?

Re: Galvanic corrosion

PostPosted: Wed Mar 13, 2019 6:41 pm
by peony1
yes. aluminum is (-). copper is (+)

Re: Galvanic corrosion

PostPosted: Fri Mar 15, 2019 7:12 am
by KOOTA
does size matter?!! what if it's copper plate on aluminium roof for instance