In my opinion, the issue with many sealants is they "cure" or set.  So a
polyurethane or silicone sets and becomes less flexible.  Further, many of
those sealants do not adhere tenaciously to metal.

Butyl tape, on the other hand, remains sticky and pliable for a long, long
time.  That means it will flex with any movement in the hardware without
breaking the seal.

I still use LifeSeal for many applications where there is little potential
for movement.  But I'm switching to Butyl tape for bedding anything that
may flex.

Dennis C.
Touche' 35-1 #83
Mandeville, LA

On Tue, Apr 10, 2018 at 9:31 AM, Nauset Beach via CnC-List <
cnc-list@cnc-list.com> wrote:

> I have to do the same thing, again.  Used Lifecaulk in August, 2015 and
> noticed last month one chainplate was damp, and the boat is still under its
> winter cover.
>
>
>
> The Maine Sail tape seems to be the favorite bedding material of the
> list.  What is the “life expectancy” of a chainplate seal using this
> material in the wild?  For bedding hardware he shows examples of 29 years,
> but the rigging / chainplate / deck interface does move [plus temperature
> variations from summer to winter plus differing expansion properties] so
> would guess it would take more frequent maintenance.
>
>
>
> Thanks,
>
> Brian
>
>
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis
> C. via CnC-List
> *Sent:* Tuesday, April 10, 2018 9:02 AM
> *To:* CnClist <cnc-list@cnc-list.com>
> *Cc:* Dennis C. <capt...@gmail.com>
> *Subject:* Re: Stus-List Sealant for chainplates.
>
>
>
> I just re-bedded Touche's chain plates with Bed-It butyl tape.
>
>
>
> http://www.pbase.com/mainecruising/butyl_tape
>
>
>
> Dennis C.
>
> Touche' 35-1 #83
>
> Mandeville, LA
>
>
>
> On Tue, Apr 10, 2018 at 7:18 AM, Glen Eddie via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> Can someone with a 35 mkI or II let me know the sealant used at the deck
> when rebedding a chainplate.  4000?
>
>
>
> Your assistance is much appreciated.
> ------------------------------
>
>
>
> *Glen Eddie*
>
> Tel: 416-777-5357
>
> Fax: 1-888-812-2557
>
> ged...@torkinmanes.com
>
> VCard <http://www.torkinmanes.com/vcard.aspx?ID=glen-eddie>
>
>
> *Torkin Manes LLP*
> Barristers & Solicitors
>
> 151 Yonge Street, Suite 1500
> Toronto ON M5C 2W7
> torkinmanes.com <http://www.torkinmanes.com>
>
> An international member of Ally Law
>
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