Quote:
Originally Posted by Marlene
Re: using screws instead of rivets. I used to do aircraft maintenance and they use both screws and rivets. The rivets were frequently easier to remove because the screws had so much corrosion on them that the heads either stripped or broke off and then had to be drilled out anyway. I know aircraft are in a much harsher environment but I'm sure the main difference would be how frequently the screws are removed.
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I would imagine that in aircraft maintenance neither the screw or the rivet gets caulked after use.
I wouldn't expect a stainless screw to rust once caulked.
That is why I would opt for screws instead of rivets on my build list for any and all roof vents, fans etc.