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Old 01-06-2013
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Re: best way to mount Aluminium to steel underwater

To attach any other metal (aluminum or bronze) to the hull of a steel boat is asking for trouble. Except for the propeller and shaft keep it to steel only. A spacer wouldn't help much as the salt water connects the light housing and the hull.


The West Marine lights you linked to are NOT aluminum though - they are, as already mentioned, polycarbonate so there would not be any issues with those.
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Last edited by mitiempo; 01-06-2013 at 09:16 PM.
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