From where do I leak?

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rpell1@msn.com

rpell1@msn.com

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Sep 25, 2008
464
Catalina 30 MKIII Varuna Boat Club
Hi all,

I've have this leak on my '91 Cat30 for some time now and cannot seem to determine from whence it comes.....

In the head, at the left corner between the cabinet and counter, coming down from behind the cabinet. I thought it might be from the shroud fitting on deck, or even the side molding. But, I can't pin it down.

Has anyone had this leak on their Cat30?

Thanks for your assistance and Happy Sailing....

Ralph
 
M

Me and Boo

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Dec 1, 2011
75
Catalina 1984 C30 Tall Rig Bow Sprit MD
Mine does too, 84' C30, but my guess is the port. I need to rebuild all my ports, with the head going to be replaced with one that opens.
 
S

skookumchuck

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May 31, 2011
7
Catalina C30 MkIII Rush Creek Yacht Club
Had the same problem on my 95 mkiii. The leak was from one of the small screws on the stanchion base. Had to remove the vanity cabinet to get to it.
 
Anonymous 121765

Anonymous 121765

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Jan 6, 2010
1,520
Ralph,

Leaks on thru-deck fittings/hardware is a neverending battle pal.
If I had a dime for every leak I fixed or re-fixed, I could buy a new boat.

Here are a few suggestions for you to try. These have worked for me.

Using a good flashlight, water leaks usually leave a "trail" of evidence. Look at all the nuts & washers etc. from the underside, the culprit will show white-ish, brownish, or rust signs of water intrusion.

In addition, because of the wood cored decking, where the leak starts may not be where you are seeing the water. In an earlier post, when doing a big deck repair around the mast, I discovered the the coring was loosly fit with spaces between the sections. There were alot of spaces & this could also allow water to meander until it finds an outlet underneath.

Keep in mind that water will always seek a low point, so if your visual inspection doesn't show the guilty leak, start looking at higher locations.

Another way would be to put toilet paper under all the possible thru-deck fittings/hardware and blast you deck with water. Sit down, drink a Heinekin wait abit and check for wet paper. When it shows, use reverse engineering to find the buggar.

When you finally get around to your repair, remember to use a good chaulk. I wouldn't suggest 5200 for deck fittings, but Dow Corning & 3M make great construction chaulks. Easy to apply, easy to remove UV resistant & flexible.

Clean & apply chaulk, but only tighten down to allow 3/32-1/8" space between fitting & deck. Let it set up for MFG. full cure setup time then tighten fully. This will allow for a nice thick gasket.

Good Luck,

CR
 
B

Bob4203

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Jul 1, 2004
398
Catalina 30 Atlanta GA
The water splash is what is recommended! I like the toilet paper idea but a buddy of mine who is a surveyor said just take a large glass of water and where the leak is suspected pour water on the fitting, crack, holes or whatever while someone down below watches in that locale for the water intrusion and your set.

Its a good idea to re-bed stanchion post supports and all deck hardware every so many years anyways. They all leak..........from the finest to the cheapest boats :doh:

Does anyone know of a water soluable dye that will not leave a stain and is easy to clean up and of course bio-degradeable? Thats the ticket for leak detection.

Bob
'88 Mark II
 
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