[Rhodes22-list] Leaky Ports - question on sealant's name...

[Michael D. Weisner]

Rummy,

I agree - do it once, the right way and you will NEVER need to do it again - 
now back to reality.

Sooner or later, as the result of UV, salt, excessive TIME, mechanical abuse 
(yes, the portlights sometimes get broken, too) I find that I need to remove 
the piece and rebed (or replace and rebed.)  Since I have owned my R22 for 
over 26 years, lots of stuff has exceeded the manufacturer's expected 
product life (yes, even lifetime caulks) and much of it had to be resealed, 
at least once.  The fact that most of it is still sailing and did not 
require a replacement purchase after a few years, is a testament to the poor 
business sense of an engineer turned salesman.  Can you imagine if you only 
bought 1 car in 26 years (and it was still on the road with only regular 
maintenance?)  The automobile industry would have closed its doors a long 
time ago.  What a concept!

Mike
s/v Shanghaid'd Summer ('81)
       Nissequogue River, NY

From: <R22RumRunner at aol.com>Sent: Friday, March 07, 2008 5:52 PM
> Mike,
> Actually you are correct. Cutting through a cured urethane sealant after
> it's cured is darn near impossible. However, in my personal opinion that's
> exactly what I want to use. I hate working on the darn boat, I'd rather be 
> out
> drinking, er....sailing.
>
> Rummy
>
>
> In a message dated 3/7/2008 5:49:02 P.M. Eastern Standard Time,
> R22RumRunner at aol.com writes:
>
> Mike,
> I thought the whole idea of rebedding a port is so that you  will never 
> have
> to do it again?
>
> Rummy.........that first  drink tasted so good, I think I'll have
> another.....and then  another.....
>
>
> In a message dated 3/7/2008 5:26:22 P.M. Eastern  Standard Time,
> mweisner at ebsmed.com writes:
>
> Ed,
>
> I also  assumed Boat Life Seal Sealant (BLSS).  It is  part polyurethane 
> and
> part silicone.  Be careful with the use of  urethance sealants  on 
> portlights
> since they will never release if  rebedding or  replacement is required. 
> The
> plastic frames will be  destroyed  in the effort.
>
> The problem that you speak of is most often  seen  with silicone materials
> which are really only good as gaskets.    They don't stick to much of
> anything
> for long.  The BLSS seems  to  have gotten around this problem, although 
> when
> rebedding  portlights, it is  mostly used as a gasket material.  In 
> addition,
>
> the epoxy repair  should not be exposed to the sealant in this 
> application.
> I have used  epoxy to repair the damage to the wood core  from water
> intrusion
> due to  previous sealant failure.  The  epoxy is below the surface (in the
> holes) for these repairs.   The BLSS is exposed to the gel coat and  the
> plastic of the portlight  frame.
>
> BTW, as I have indicated,  preparation is most important -  DO NOT SKIP 
> THE
> ACETONE CLEANING  STEP.  Placing sealant on a  waxed surface will never
> result
> in good  adhesion.
>
> Mike
> s/v  Shanghai'd Summer ('81)
> Nissequogue River,  NY
>
> From: "Tootle"  <ekroposki at charter.net>Sent: Friday, March 07,  2008 5:07 
> PM
>>
>> The term Life Seal Sealant was used in the  discussion  of leaky ports 
>> under
>> the subject heading of Tangent Topping  Lift  Question.  Can I presume 
>> that
>> the sealants correct name is   Boat Life Sealant?
>>
>> I tried to use that Boat Life in the   cockpit drain a couple of years 
>> ago.
>> It did not hold up.  At  the  direction of a professional roofer on this
>> forum
>> I  used one  part urethane roofing sealant.  It worked as he told  me.  I
>>  also
>> used it on my project boat  rebuild.  The stuff works and  comes in many
>> colors.   The brand name Rummy referred me to was  HP-1.
>>
>> The  problem that the Boat Life seemed to have was  adhering to the 
>> epoxy
>> repair.  I had used Boat Life for years  just as a  sealant, but it did 
>> not
>> want to stick permanently to the  epoxy  repair area.  That repair was 
>> with
>> the West System   products.  Also, the repair was made about this time of
>>  year,  maybe a few weeks later when it was just warm enough.  I  waited
>>  until
>> epoxy repair was fully  cured.
>>
>> You might be able  to do it in one day about June  21st.
>>
>> Ed K
>> Greenville,  SC, USA
>> “It is  not the critic who counts, not the man who points out  how the
>>  strong
>> man stumbled, or where the doer of deeds could  have done  better. The
>> credit
>> belongs to the man who is  actually  in the arena, whose face is marred 
>> by
>> dust and sweat and  blood,  who strives valiantly, who errs and comes 
>> short
>> again and  again,  who knows the great enthusiasms, the great devotions, 
>> and
>>  spends  himself in a worthy cause, who at best knows achievement and who
> at
>> the worst if he fails at least fails while daring greatly so  that  his
>> place
>> shall never be with those cold and timid  souls who  know neither victory
>> nor
>> defeat.”   Theodore  Roosevelt
>>
>>
>> -- 
>> View this message  in context:
>>
> http://www.nabble.com/Leaky-Ports---question-on-sealant%27s-name...-tp15907466
> p15907466.html
>>   Sent from the Rhodes 22 mailing list archive at  Nabble.com.
>>
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