[Rhodes22-list] Screw pulled out on anchor mount

[The Rhodes 22 Email List]

I think that the deck to hull joint is one place where adhesive qualities
would be important and I would not use butyl there unless there were a lot
of mechanical fittings as well - every few inches I would think. That would
not be practical or cost effective. For that I would definitely use 5200 or
4200 or the stuff that Rummy found. Personally, my preference is to glass
the joint but that is another debate that has strong detractors.

Butyl comes in a tube, but where this form is not necessary to inject into
some cavity, I would use the tape as it is much easier to handle. 

Graham 


-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
List
Sent: May-22-15 8:41 AM
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] Screw pulled out on anchor mount

Brooks:  yes I have used butyl rubber before to seal a leaky hull to deck
joint on an old renken 18 "sail" boat.  You can get it in caulk gun tubes as
well.  It takes a few weeks for it to set up, but is an excellent sealant
and did the job.  I dont remember having issues with it, I am trying to
remember, but i cant, but seems like there is a catamaran manufacturer that
uses this sealant in their hull to deck joints and they swear by it to be
leak free.

  Does anyone know if this is the "polysulphide" that Ferenc Mate speaks of
in his book THE FINELY FITTED YACHT.?  

Bob (palatka)

> On May 21, 2015, at 11:42 PM, The Rhodes 22 Email List
<rhodes22-list at rhodes22.org> wrote:
> 
> Best for above waterline is butyl rubber. 
> 
> Don't trust me - read this and see if it doesn't make excellent sense 
> to you. He says it lasts for decades, stays pliant, very mild 
> adhesive, easy to clean up. He's not very complimentary of silicon 
> except for certain plastics. And then there's "Devils Glue" - his name 
> for 3M 5200.  It's an excellent treatise on mounting deck hardware with a
demo using plexiglass.
> 
> I couldn't get links to paste in even using the "Link" button above so 
> try a google search for:
> Bedding Deck Hardware With Bed-It Butyl Tape
> 
> Look for link starting with sailnet.com
> 
> pbase.com carries the tape
> 
> Brooks
> 86/06 R22
> Cambridge MD
> 
> 
> 
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