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Old 08-11-2011, 09:12   #1
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Deck Fitting

I am adding a aluminum rack on top of my cabin. I am using aluminum,magnesium fittings and will through bolt this. Question- do people use Stanless Steel bolts for this? I have heard they interact with the aluminum? Do people coat the stanless in any way to stop this? Not worry about this? thank you nigel longland
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Old 08-11-2011, 10:00   #2
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Re: Deck Fitting

Yes we use stainless. Be sure it is 316 or better and coat all mating surfaces with "never seez"or the like.
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Old 08-11-2011, 10:06   #3
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Re: Deck Fitting

does that help stop galvanic interaction between the aluminum rack and the stanless bolts? thanks nigel
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Old 08-11-2011, 10:15   #4
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Re: Deck Fitting

The best coating I have found is Tefgel.
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Old 08-11-2011, 12:27   #5
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Re: Deck Fitting

Yes. These coatings retard the reaction thru isolation.
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