Leaks when it rains. - Page 2 - SailNet Community
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post #11 of 17 Old 09-29-2012
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Originally Posted by chucklesR View Post
A useful tool when searching for leaks is the blue chalk dust you can get an most Lowe's or Home Depots - it's used to refill chalk lines.

Squirt some on the surface of 'whatever' - the leak's will create a track that is easy to follow to the source. A simple vacuum and wet cloth can clean it up.
Brilliant idea... just don't ever, ever, ever use red! Red chalk stains! It's banned from my jobs except for rough framing.


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post #12 of 17 Old 09-29-2012
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Re: Leaks when it rains.

Originally Posted by Tempest View Post
...Another place to look for leaks are the cabin top handrails if you have them. After alot of searching on my boat, they proved to be a source of several leaks, and they will travel between the deck and the liner until they appear somewhere in the cabin.
Me too, I had a bad leak at the top of a portlight, except it actually came from the cabin top handrail and ran down above the liner till it hit the portlight, then ran inside the cabin.

Originally Posted by MysticGringo View Post
Brilliant idea... just don't ever, ever, ever use red! Red chalk stains! It's banned from my jobs except for rough framing.
Red chalk doesn't so much stain, it's actually is and is supposed to be permanent red ink. Very useful where it will be covered but you want the line to stand up to traffic, rain etc. For instance, laying out roofing.
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post #13 of 17 Old 10-15-2012
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Re: Leaks when it rains.

I happened to catch part of the TV show How It's Made ? the other day. They were showing a company that builds RV trailers. One of the last steps in the build process was where they brought this blower inside the trailer, and connected the intake to the roof vent. Then they went outside and played a stream of water over all the joints, windows and roof penetrations looking for leaks. So clearly this method can work well. I'll bet some of the boat builders do it too.

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post #14 of 17 Old 07-20-2013
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Re: Leaks when it rains.

This isn't a timely post, but I hope it's helpful: I've had an '87 Newport 28 for about 15 years and have had to have the chain plates rebedded a number of times, so plan on doing that fairly regularly. I held off rebedding my starboard side and was forced to replace the interior where the plate was fastened! Not inexpensive, so a word to the wise. My port lights leak, too, and I need to have them rebedded or replaced. Zincs I replace annually.
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Re: Leaks when it rains.

Well, that's interesting. My 30 Newport also had a little leak issue; I caulked everywhere I could think of; finally figured it was coming from top of mast; previous owner had self-installed an antenna up there--cable going up would clang inside mast as the boat rocked too. But I only thought of the cabin-top for source; see now could very well have been further down.
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Re: Leaks when it rains.

My rotating hatch handles have started to leak... I suppose I can reinstall and seal them this spring... not much water but for sure annoying.

pay attention... someone's life depends on it
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Re: Leaks when it rains.

I have a total of seven hatches on my boat, each one has two handles.
All of them use "o" rings which degrade over time from the UV and wear.
I keep them in stock on the boat, and buy them cheap at Ace Hardware.
They are easy to replace, using only a Phillips screwdriver.
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