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Old 05-06-2014, 07:10 PM   #1
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Filling Rusted Voids?

I have a large h-post that has rusted out voids beneath the horizontal crossbar. Since it's basically just a hollow steel pipe, I was thinking of digging out as much rust as possible, hitting it with ospho, spraying some expanding foam sealer inside the pipe, then applying some MarineTex to plug the hole. Any flaws in this plan?
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Old 05-06-2014, 07:21 PM   #2
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Greetings,
Mr. ck. From your description you've either got a towing bit or a cleat. Both of these are designed to take a load. Any void or fault will weaken the piece and is potentially dangerous/fatal IF excessive load is applied. Why bother repairing it? Why not replace? If it is "... basically just a hollow steel pipe,..." it shouldn't be an excessive amount of $$ or simply remove it.
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Old 05-06-2014, 07:30 PM   #3
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RTF may have a point; a pic of the piece in question would help us help.
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Old 05-06-2014, 08:28 PM   #4
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Here's a pic. I don't thing the voids are large enough to cause the posts to fail outright but agree that a welded fix would be best. I'm mainly just trying to stop the rust holes from expanding. Name:  ImageUploadedByTrawler Forum1399422243.497827.jpg
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Old 05-06-2014, 08:31 PM   #5
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Greetings,
Mr. ck. Holy cow! That's one heck of a cleat! I still think the best, safest and longest lasting fix will be to have the rust cut or ground out and a proper welded patch put on.
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Old 05-06-2014, 08:38 PM   #6
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It's steel. Just cut it off and weld on a new one!
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Old 05-06-2014, 09:40 PM   #7
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I agree remove it complete and weld a new one. You will find the whole cleat is rusted out and will cost more to patch only to have a new spot next year. The next gale that blows in you will be happy you did.
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Old 05-06-2014, 10:13 PM   #8
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It's steel. Just cut it off and weld on a new one!
+1
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Old 05-07-2014, 10:53 AM   #9
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I knew I should have taken welding in high school. Thanks everyone for the good advice. I've got a yard visit coming up soon so hopefully it wont cost too much to repair.
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Old 05-07-2014, 01:12 PM   #10
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Although of no use for structural issues, you should be aware of the POR-15 products. They completely stop rust from re-emerging without even removing all the original rust.
Order a "starter kit" and the paste and try it, you will wonder how you made it this far w/o it.
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Old 05-07-2014, 01:28 PM   #11
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I knew I should have taken welding in high school. Thanks everyone for the good advice. I've got a yard visit coming up soon so hopefully it wont cost too much to repair.

Judging from the photo alone. Approximately 3 hours shop labor plus $40 material charge to fab. Hour or so to install. Painting would be your problem

Find a local welder to give you a real quote.
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Old 05-07-2014, 02:44 PM   #12
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that is one heck of a boat!

NICE!
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Old 05-07-2014, 02:53 PM   #13
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that is one heck of a boat!

NICE!
I agree, that boat reminds me of the old river boats with the high pilot house and loong cabin.. That's a very cool boat!

I bet she gets a lot of attention wherever she ties up.
I'd like to see some more pictures sometime.
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Old 05-07-2014, 03:12 PM   #14
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Another vote for POR-15.

Amazing stuff.

Don't have any idea what it is though.
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Old 05-07-2014, 08:21 PM   #15
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POR 15 is good stuff. But, its just a two part epoxy with an oil base, kinda like but not as good as coal tar epoxy. You can make your own with a good epoxy mixed with asphalt roof patch (roofing tar) to the consistency needed. It aint rocket science.
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Old 05-07-2014, 08:27 PM   #16
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Greetings,
Mr. k. You must be thinking of something else. POR15, at least the stuff I've used is NOT a two part epoxy.
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Old 05-07-2014, 10:41 PM   #17
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Greetings,
Mr. k. You must be thinking of something else. POR15, at least the stuff I've used is NOT a two part epoxy.
He's quite right, it's not epoxy, not two part, not coal tar, or any kind of tar.
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Old 05-07-2014, 11:47 PM   #18
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I agree, that boat reminds me of the old river boats with the high pilot house and loong cabin.. That's a very cool boat!

I bet she gets a lot of attention wherever she ties up.
I'd like to see some more pictures sometime.
Thanks Bluto, the "Willie" is permanently moored in Port Aransas Texas until I win the lottery and can buy two big Elco motors to replace the diesels the previous owner removed. As for pics, you inspired me to create a quick Facebook page for the boat at: http://www.facebook.com/willietug

I will probably update the page from time to time with news of my latest maintenance dilemma.
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Old 05-08-2014, 07:19 AM   #19
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She's nice. She surely deserves those engines and 'getting out there', and back to work. Even if that work is just taking you and friends cruising.
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Old 05-09-2014, 02:33 AM   #20
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http://www.facebook.com/willietug

I will probably update the page from time to time with news of my latest maintenance dilemma.
A very unique boat that looks like a lot of fun!
I hope things go your way and you get those new engines.

Good luck!
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