GL: Bottom paint advice

[Torrens, Kevin]

The good.

-----Original Message-----
From: great-loop-bounces@lists.samurai.com
[mailto:great-loop-bounces@lists.samurai.com] On Behalf Of D C *Mac*
Macdonald
Sent: Friday, November 03, 2006 1:18 PM
To: circumnavigate06@bellsouth.net; twojscom@quadnet.net; dene@ipns.com
Cc: great-loop@lists.samurai.com
Subject: Re: GL: Bottom paint advice

Susceptibility to blistering apparently has a great deal
to do with the type of material used in the gelcoat.
There have been many articles written about it, but
I can't remember the name of the preferred material.
Somebody on here certainly knows what that is.  I
don't remember if "vinylester" is the good or the bad.

D C "Mac" Macdonald
Grand Lake - Oklahoma



----Original Message Follows----
From: "Tommy Terrific" <circumnavigate06@bellsouth.net>
To: "John and Judy Gill" <twojscom@quadnet.net>, "Greg
Schoenberg"<dene@ipns.com>
CC: great-loop@lists.samurai.com
Subject: Re: GL: Bottom paint advice
Date: Fri, 3 Nov 2006 11:57:16 -0500

   That is a mighty expensive decision/assumption.................that
all
boats are going to blister, therefore we should put a barrier coat on
all
boats.

   Actually, very few boats blister now.

   Tommy


   ----- Original Message -----
   From: "John & Judy Gill" <twojscom@quadnet.net>
   To: "Greg Schoenberg" <dene@ipns.com>
   Cc: "Loop" <great-loop@lists.samurai.com>
   Sent: Friday, November 03, 2006 11:27 AM
   Subject: Re: GL: Bottom paint advice


   >I hate to disagree with Tommy, but barrier coats (two part epoxy) is
   > a very good idea on brand new boats to prevent gel coat blistering.
   > It is also a good idea to apply a barrier coat on a boat which has
   > started to blister (after all blisters have been properly dug out
and
   > dried -  you do not have to remove the entire gel coat to apply a
   > barrier coat.  The problem started when boat manufacturers switched
   > from all acrylic gel coat systems to co-polymers of styrene and
   > acrylic to save money.  Note that all bottom paint must be removed
   > and the surface roughed up to provide goo adhesion of the epoxy
   > barrier coat.
   >
   > John Gill
   > AGLCA Looper
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