Toe rail corrosion fix
- Thread starter forbin
- Start date
So take off the chock, grind down the aluminum to create a gap equal to the size of the bottom of the angle cut (top of the toe rail), then add a [plastic?] spacer to fill the gap? Or does all the corroded area need to be removed?
For background, this is on a boat I may be buying, so I want to know what to ask for or if it's not a big deal and I can have it done later, etc...
For background, this is on a boat I may be buying, so I want to know what to ask for or if it's not a big deal and I can have it done later, etc...
First sentence: yes
Second: just sand it down.
You do understand why that's happening, do you not?
Thanks. I do know why it's happening generally (or happened, but I assume it's still happening), but some things about it are confusing...
- Why wouldn't there have been a spacer in there to begin with knowing what was likely to happen?
- Why it would corrode with a particular pattern (the bottom part of the toe rail corroding at an angle rather than the pieces in contact with one another, if that's something that's predictable, or another part on the toe rail far away from the point of contact corroding if that's possible, etc)?
- I thought that type of corrosion would occur fairly quickly, so is there a way to tell if it's a recent occurrence or if it's happened over years, or is the oxidized material providing a barrier between them and has stopped the corrosion?
- This sounds like it isn't much of an issue once the metals are separated, correct?
1. Look at the other side of the chock and then look at the other side of the boat.
2. Gravity.
3. True, but once the corrosion starts it could build up its own "barrier" between the metals and stop itself. You're right. If you want, read up on galvanic corrosion, it's an oft discussed topic that is not specific to boats.
4. Yup.
Brian, see that wasn't so hard, was it?
Good luck.
Don't know if this tread helps you at all or not. But makes for some reading... LOL
dj
Sailboat Owner's Guide to Corrosion - Galvanic and Stray Current Corrosion (Collier 6 & 7)
Welcome to Section 3 of our SBO Book club study of Everett Collier's book, 'The Boatowner's Guide to Corrosion". We are reading and posting, in sections, as we work our way through the subject of corrosion in the marine environment. Each section will cover one or more chapters and be posted in...
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dj
