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  #321  
Old 01-17-2014
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Re: Bedding Deck Hardware With Butyl Tape

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Originally Posted by FirstCandC View Post
Got my butyl tape from Maine Sail promptly. Now it is time to re-bed one chain plate. Water is coming in from this location, but it seems to be clear (no brown goo). However, the water is coming in and some of it is working its way to the back of the cabin. I have read so much on this subject that my head hurts. There is no way that I can completely dry out the area prior to the epoxy repair at this time. The flat plate on deck is held down by four screws (somewhat loose- easy to turn with a screwdriver), and by one horizontal pin. Would it be possible to perform a temporary repair by doing the following:
1- remove the turnbuckle and plate
2- clean and plug the area generously with butyl tape
3- reinstall the hardware, with the horizontal pin holding everything in place
Can I get by with this until next winter's haul-out?
Your short term repair will work to stop water ingress, but don't forget it is a bandaid and will need complete attention down the road. The plate with 4 screws is a chainplate hood intended to provide a larger sealing surface as well as C&C's commitment to making everything look right. When is winter haulout for you? We've been out since late October, launch in late May.
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  #322  
Old 01-17-2014
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Re: Bedding Deck Hardware With Butyl Tape

Thanks.
Leaving mine in this winter, haulout likely around Thanksgiving this year. Bought the boat last March, and didn't get to start sailing it until June. Want to do the temporary repair, because I want to sail it this winter. Supposed to be 60 degrees on Monday!
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Last edited by FirstCandC; 01-17-2014 at 08:20 AM.
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  #323  
Old 03-08-2014
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Re: Bedding Deck Hardware With Butyl Tape

How about using the epoxy over the tape?


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  #324  
Old 03-10-2014
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Re: Bedding Deck Hardware With Butyl Tape

Although Maine's web page illustrations are wonderful, I keep finding myself forced to do installations that don't quite line up with his instructions.

Mostly my problem is hardware where you can't wrap butyl around the head of the bolt or screw because the hardware is very tall, and far off of the deck.

For example, I have teak grab rails on the inside and topside of the boat, that sandwich the cabin top between them. The bolt head is on the INSIDE of the cabin, in the interior grab rail, it penetrates the cabin top, into the topside grab rail, and into a threaded insert in the top of the topside grab rail.

The best I could do, was snug them down close to the cabin top surface, and wrap butyl around the bolt as best I could, and then finish snugging the grab rails down.

This is not optimal, because the bolt rotates, disrupting the bond of the butyl tape that is wrapped around it. (which is why I get things partially bolted, and close to the cabin top before applying the tape.)

Still, it seems to work and I have not had any leaks. I have a few such installations, and this is frustrating.
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  #325  
Old 03-10-2014
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Re: Bedding Deck Hardware With Butyl Tape

BubbleheadMd, I too am faced with bedding the grab rails. My boat doesn't have grab rails
inside. My plan is to apply the tape to the rail where it mates with the cabin top. I'll clean the teak with acetone then apply the tape, cut out the hole for the screw, set the rail on
the cabin top, then screw it down. I've done this to a couple of cleats (bedded the screw heads there), and tested it this morning. YEAH no more leaks.
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  #326  
Old 03-10-2014
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Re: Bedding Deck Hardware With Butyl Tape

Quote:
Originally Posted by BubbleheadMd View Post
Although Maine's web page illustrations are wonderful, I keep finding myself forced to do installations that don't quite line up with his instructions.

Mostly my problem is hardware where you can't wrap butyl around the head of the bolt or screw because the hardware is very tall, and far off of the deck.

For example, I have teak grab rails on the inside and topside of the boat, that sandwich the cabin top between them. The bolt head is on the INSIDE of the cabin, in the interior grab rail, it penetrates the cabin top, into the topside grab rail, and into a threaded insert in the top of the topside grab rail.

The best I could do, was snug them down close to the cabin top surface, and wrap butyl around the bolt as best I could, and then finish snugging the grab rails down.

This is not optimal, because the bolt rotates, disrupting the bond of the butyl tape that is wrapped around it. (which is why I get things partially bolted, and close to the cabin top before applying the tape.)

Still, it seems to work and I have not had any leaks. I have a few such installations, and this is frustrating.
So it only lasts 15 years instead of 30.
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  #327  
Old 03-11-2014
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Re: Bedding Deck Hardware With Butyl Tape

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Originally Posted by therapy23 View Post
So it only lasts 15 years instead of 30.
Hey, I wouldn't complain about that. I'm just trying to make sure that it's really sealing the cabin top and not allowing water into the core.
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  #328  
Old 03-11-2014
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Re: Bedding Deck Hardware With Butyl Tape

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Originally Posted by BubbleheadMd View Post
Hey, I wouldn't complain about that. I'm just trying to make sure that it's really sealing the cabin top and not allowing water into the core.
Punch the bolts up from the cabin and install long butyl cones. Now carefully drop the rail over them (two people best) and get the nuts started. Now just slowly and evenly tighten them all..

Alternatively use threaded rod pre installed in hand rails and acorn nuts on the inside....
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  #329  
Old 03-11-2014
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Re: Bedding Deck Hardware With Butyl Tape

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Originally Posted by FirstCandC View Post
Water is coming in from this location, but it seems to be clear (no brown goo).
What does it mean if there is brown goo coming from the location?
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  #330  
Old 03-11-2014
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Re: Bedding Deck Hardware With Butyl Tape

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Originally Posted by Kenn43 View Post
What does it mean if there is brown goo coming from the location?

Rotting deck core....
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