Keel Patch Required? - SailNet Community
 1Likes
Reply
 
LinkBack Thread Tools
post #1 of 12 Old 02-05-2013 Thread Starter
Member
 
Merit25lovers's Avatar
 
Join Date: Mar 2011
Location: Newark Valley, NY
Posts: 84
Thanks: 5
Thanked 0 Times in 0 Posts
Rep Power: 5
 
Keel Patch Required?

Hello all,

Well, spring is just around the corner and I'm making my "to do" list for the Merit. I usually paint the hull, keel and rudder with “VC17M EXTRA with Biolux” anti foul paint e/o season. However, I'm looking at the joint where the keel meets the hull and it is a bit rough. Looks to me as if whatever was put there as a patch is flaking off (see pictures). As she is a 1984 Merit 25, I suspect the keel has been repaired (I bought her used).

I was thinking of sanding it down, but I don't know if I need to paint with a primer then epoxy paint before I put the VCM17 on.

Maybe this really is no big deal, but I would like to do something with it. Opinions?

Thanks!


Keel Patch Required?-009.jpg

Keel Patch Required?-010.jpg

Keel Patch Required?-012.jpg
Merit25lovers is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #2 of 12 Old 02-05-2013
Tartan 27' owner
 
CalebD's Avatar
 
Join Date: Jan 2008
Location: NYC
Posts: 4,794
Thanks: 5
Thanked 110 Times in 102 Posts
Rep Power: 8
 
Re: Keel Patch Required?

Are you sure it is not just layers of old paint that are chipping off? It is hard to tell from the pictures but it looks largely cosmetic to me.

Regardless of whether it is simply cosmetic or a partially structural repair the first thing to do is prep this area by removing as much loose material as possible via sanding, scraping etc.
If it is just paint (cosmetic) then just wipe the area down with acetone before you apply new paint.
If it needs to be coated with epoxy to seal the are then an acetone wipe down before applying epoxy is in order.

Where do you sail your Merit 25' up there? Cayuga? Other Finger Lakes?
sailortjk1 likes this.

"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen

Everybody has one:

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
CalebD is offline  
Quote Quick Reply Share with Facebook
post #3 of 12 Old 02-05-2013 Thread Starter
Member
 
Merit25lovers's Avatar
 
Join Date: Mar 2011
Location: Newark Valley, NY
Posts: 84
Thanks: 5
Thanked 0 Times in 0 Posts
Rep Power: 5
 
Re: Keel Patch Required?

Thanks CalebD!

Yes, I think it is just paint, and calk of some sort. So, if scrape & sand, will it be necessary to paint with epoxy paint prior to applying the anti foul? If so, what type of paint? And, if I decide it needs to be patched, what type of patching material should I use? Sorry for all the questions!

Yes, we sail Cayuga Lake, keep her at Allan Treman Marina.
Merit25lovers is offline  
Quote Quick Reply Share with Facebook
post #4 of 12 Old 02-05-2013
Senior Member
 
Join Date: Feb 2010
Location: Narragansett Bay
Posts: 11,256
Thanks: 46
Thanked 241 Times in 225 Posts
Rep Power: 7
   
Re: Keel Patch Required?

I can't really tell from the pics, but you want to be sure you aren't getting water ingress to the keel bolts. I know what we all hope to be the answer, but a keel bolt replacement would be a whole lot more expensive than re-bedding.

Not sure if you keel is lead or iron. If the later, you would most likely notice some rusting, if it was leaking.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Jeanneau 54DS

In the harsh marine environment, something is always in need of repair. Margaritas fix everything.
Minnewaska is offline  
Quote Quick Reply Share with Facebook
post #5 of 12 Old 02-05-2013
Member
 
pauloman's Avatar
 
Join Date: Dec 2012
Posts: 41
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Re: Keel Patch Required?

yes scrap clean. Then 2-3 coats of a solvent thinned epoxy (like ESP 155 or make your own). If you want to go one additional step - then a flexible epoxy paint all around the keel joint. You could use 3 or 4 inch wide fiberglass tape with the flexible epoxy too for the ultimate cure, but think I would skip that this year and see how it goes. If there is a bit of movement between the keel and the hull this would be the necessary repair.
pauloman is offline  
Quote Quick Reply Share with Facebook
post #6 of 12 Old 02-05-2013
Tartan 27' owner
 
CalebD's Avatar
 
Join Date: Jan 2008
Location: NYC
Posts: 4,794
Thanks: 5
Thanked 110 Times in 102 Posts
Rep Power: 8
 
Re: Keel Patch Required?

Years ago I went to kolledge in Binghamton so I know your area a little. Pretty area but also pretty cold in winter. Tremaine State Park is awesome and Ithaca is gorges!

If you decide you need to patch that area to help seal the keel/hull joint I would use epoxy with epoxy with colloidal silica filler. I use West Systems epoxy because it is easy to use and has not failed me yet. There are other, cheaper epoxies out there but for the amount I use it is not worth hunting down the best deal. You could use some cloth tape with the epoxy but I'd think that would be overkill and make the job more difficult, especially if you have little experience laying up epoxy and cloth.

As for an epoxy based paint, sure, you could do that. I'm not sure it is necessary but it is not a bad idea. An epoxy paint would act as a primer in some ways. If you do go with an epoxy paint I would suggest that you use a paint of a different color than you normally use for your antifouling paint. This way you will be able to see if the anti-fouling paint has revealed the layer underneath.

"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen

Everybody has one:

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
CalebD is offline  
Quote Quick Reply Share with Facebook
post #7 of 12 Old 02-05-2013
4ksb expert.
 
SHNOOL's Avatar
 
Join Date: Jun 2007
Location: East Stroudsburg, PA
Posts: 1,673
Thanks: 11
Thanked 83 Times in 79 Posts
Rep Power: 9
 
Re: Keel Patch Required?

I have a Capri 25 and am doing a complete bottom job. The keel/hull joint looked like yours before I started. What I found at the joint was a previous repair that was layers of thin glass, epoxied in and barrier coated, but not faired.

I'd scrape around it and see whats there. The suggestions here are good, it could be a flex, that is causing it, in which case it's actually better than you'd think.

If you want to prevent the flex though, it's a bigger deal.

As for what I am going to do... (I don't believe I have flex, but then I am not sure either, figuring someone reinforced it for a reason)... I am going to fair, and pray... Using watertite... Interlux Watertight Epoxy Filler

My progress so far...

"Rum Line" a 1982, S2 7.9 - Production boat limit tester, blue-water bucket owner, with wine taste on a beer budget.
SHNOOL is offline  
Quote Quick Reply Share with Facebook
post #8 of 12 Old 02-05-2013
4ksb expert.
 
SHNOOL's Avatar
 
Join Date: Jun 2007
Location: East Stroudsburg, PA
Posts: 1,673
Thanks: 11
Thanked 83 Times in 79 Posts
Rep Power: 9
 
Re: Keel Patch Required?

Keep us posted on your progress...

PS: Looking at VC17m over barrier coat (Interlux 2000e)... I worked over the pad support part already to see what I can do... I'd love to see how this pans out for ya.

"Rum Line" a 1982, S2 7.9 - Production boat limit tester, blue-water bucket owner, with wine taste on a beer budget.
SHNOOL is offline  
Quote Quick Reply Share with Facebook
post #9 of 12 Old 02-06-2013
Member
 
pauloman's Avatar
 
Join Date: Dec 2012
Posts: 41
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Re: Keel Patch Required?

Be careful about using the name brand of epoxy mentioned above. It is a very brittle epoxy... not something you would want for that application. - also to make an epoxy paste takes about 2 parts thickener to 1 part epoxy. The misc thickeners sell for about $7 a quart - lots more if you buy NAME BRAND. Add the cost of thickeners to the epoxy and you are better off purchasing a pre- thickened epoxy.
pauloman is offline  
Quote Quick Reply Share with Facebook
post #10 of 12 Old 02-06-2013
Reward for lost Kraken!
 
hellosailor's Avatar
 
Join Date: Apr 2006
Posts: 11,566
Thanks: 6
Thanked 137 Times in 134 Posts
Rep Power: 11
   
Re: Keel Patch Required?

What Caleb said.

I'd guess someone tried to fill/fair the keel joint and whatever they used is flaking off or flexing off. Scrape or wire brush to remove it all, fair or fill again as needed. If it was just something applied to "round out" the joint, maybe a tube of 5200 would be the simple solution. Bonds well, is already thick, cures and sets up and takes paint well.
hellosailor is offline  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Edel 820 Help Required Tarkaboy Announcements and Suggestions Box 0 08-17-2012 12:54 PM
Patch Picks: Laser Sailboat Racing; Emil Paolucci; Chamber Ensemble - Patch.com NewsReader News Feeds 0 07-17-2012 04:20 PM
Insurance Required? Wildheart001 Cruising & Liveaboard Forum 1 10-08-2003 09:29 AM
Your opinion Required please!!! Franksalt Boat Review and Purchase Forum 4 05-15-2001 05:48 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome