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jkswor
Joined: 23 Jun 2011 Posts: 151 City/Region: tok
State or Province: AK
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: Missy marie
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Posted: Thu Aug 24, 2017 5:31 pm Post subject: Deck floor seal on 25 ft? |
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So I just bought this 07 c dory 25 ft cruiser
The deck and bilge doors are sealed with caulking of some sort
However water is getting past the seal
1. Is the deck supposed to be sealed with caulking
There is black mold in several areas. I am removing the deck to see if gas tank area is full of water and mold
2 how to reseal it and the bilge access doors so it does not leak
Jim |
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thataway
Joined: 02 Nov 2003 Posts: 20875 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Thu Aug 24, 2017 6:24 pm Post subject: |
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Yes, it is a good idea to inspect the bilge and replace the caulk around the deck. You will most likely find that there is both mold and water in that area. Be cautious that there is no damage done to the tank with chlorine products. The tank is open to the bilge, and water is going to flow into that area. Also inspect the tank. One member is currently replacing the tank where wood rested against the aluminum and apparently caused pin holes. Would it be worth pulling the tank and coating it properly? Expensive, but perhaps down the road it might save a much higher cost.
I would probably use Boat Life Life Seal as the best sealant. Next would be 3M 4000. Both will give a good seal, but the Boat Life will be easier to remove in the future. _________________ Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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kaelc
Joined: 19 Jul 2017 Posts: 411 City/Region: Saanich
State or Province: BC
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: Island Magic
Photos: Stil-Afloat
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Posted: Tue Apr 30, 2019 9:56 pm Post subject: |
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What did you end up using or did anyone else use? What did you use to clean off the old caulking? Thanks about to tackle this! |
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jkswor
Joined: 23 Jun 2011 Posts: 151 City/Region: tok
State or Province: AK
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: Missy marie
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Posted: Wed May 01, 2019 9:38 am Post subject: |
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I replaced the leaking hatches. There is a thread on this replacement. |
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jkswor
Joined: 23 Jun 2011 Posts: 151 City/Region: tok
State or Province: AK
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: Missy marie
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Posted: Wed May 01, 2019 9:52 am Post subject: |
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Cdory 25 deck hatch installation. Is the topic
There is no way to seal existing deck hatch on a cdory 25
I tried everything nothing worked for me except replacement
Hatch cost about $120 each. Piece of cake to install |
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journey on
Joined: 03 Mar 2005 Posts: 3598 City/Region: Valley Centre
State or Province: CA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: journey on
Photos: Journey On
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Posted: Wed May 01, 2019 1:05 pm Post subject: |
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I replaced the deck sole hatches on Journey On, which now makes for a dry bilge. Here's a description: Hatch Installation
I also removed the fuel tank cover and inspected the tank and mounting. The deck cover is both screwed and sealed, so removing it was a bear. Here is the story of Alyssia Jean who had to replace the tank and Journey On who just inspected the tank: Removing Tank Cover. Good pictures.
The aft bilge and tank compartment are joined, so that when there is water in the bilge, it is also in the tank compartment. That's why I was so happy that after the hatch replacement, the bilge was dry.
Boris |
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thataway
Joined: 02 Nov 2003 Posts: 20875 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Wed May 01, 2019 9:07 pm Post subject: |
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kaelc wrote: | What did you end up using or did anyone else use? What did you use to clean off the old caulking? Thanks about to tackle this! |
The hatch issue I believe is answered--Bori's thread on this is excellent.
I tried various materials to clean the sealant--not really successful. I tried several solvents, and abrasive (Mr. Clean type) of pad. |
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localboy
Joined: 30 Sep 2006 Posts: 4664 City/Region: Lake Stevens via Honolulu
State or Province: WA
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: 'Au Kai (Ocean Traveler)
Photos: 'AU KAI
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Posted: Sat May 04, 2019 4:06 pm Post subject: |
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The factory hatches leak. Period. I just changed them out at the end of last season with new hatches with rubber seals, as others have referenced here. We shall see if they are watertight.
My advice would be to remove, undercut and epoxy all the access ports, steps etc. They are all balsa cored (deck & steps) and were not sealed at all in our 2007. Once you re-seal all the ends with epoxy, re-bed with new sealant. I can't remember is if I used 4000 or 4200; whichever is more UV stable is what I used. I did it all last year. Pics in my album if you need a reference. _________________ "We can go over there...behind the 'little one'....."
Wife to her husband pointing @ us...from the bow of their 50-footer; Prideaux Haven 2013 |
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