Through the hull exhaust

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cusoak
Posts: 932
Joined: Sat Dec 26, 2009 8:49 am
Location: Senecaville Ohio

Through the hull exhaust

Post by cusoak » Mon Aug 04, 2014 5:17 am

I was wondering if some of the builders with in board boats could tell me how they sealed their exhaust through the transom.
I am refinishing my Century Resorter, it has a 318 chrysler in it with 2 1/2" copper exhaust pipes. I have seen gaskets for larger pipes on line. At one point I thought I saw a trim ring with a seal in it on line, but haqve not been able to find again.
Thanks Jeff

neel thompson
Posts: 1234
Joined: Fri Oct 01, 2010 2:33 pm
Location: Collegeville, Pa

Re: Through the hull exhaust

Post by neel thompson » Mon Aug 04, 2014 10:29 am

Jeff,, I installed my exhaust flanges slightly above the waterline. You can see from the picture that it has a decent size flange and holes for countersunk screws. I applied 5200 to the inside of the flange and into the pilot holes for the wood screws. It is not through bolted. Tighten up the screws, let the sealant set, and it isn't going anywhere and will not leak.
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cusoak
Posts: 932
Joined: Sat Dec 26, 2009 8:49 am
Location: Senecaville Ohio

Re: Through the hull exhaust

Post by cusoak » Mon Aug 04, 2014 3:09 pm

Thanks for the reply.

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