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40792Re: barrier coat

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  • mc1001@rocketmail.com
    Dec 6, 2012
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      Thanks, everyone! JM


      --- In Sabresailboat@yahoogroups.com, john kalinowski <sabre32sailor@...> wrote:
      >
      > Dave is right on the money.
      >  
      > If you have the hull blasted, the bottom is a mess as they are going to cut though gelcoat no matter how hard they try not to and they need to where you have real osmossis.
      >  
      > 4-6 coats done properly will leave a surface similiar to what it felt like coming out of the mold in Maine.
      >  
      > I am now a believer in hot coating the bottom with your bottom paint.  I did this last year and the boat was faster because it was so smooth.
      >
      > --- On Wed, 12/5/12, Dave Lochner <davelochner@...> wrote:
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      > From: Dave Lochner <davelochner@...>
      > Subject: Re: [SabreSailboat] Re: barrier coat
      > To: Sabresailboat@yahoogroups.com
      > Date: Wednesday, December 5, 2012, 6:27 PM
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      > The big selling point for barrier coats has been blister prevention and repair. A second reason is to provide a really hard smooth surface. Some of the gelcoat is likely to be damaged when the old paint is removed and the surface sanded in preparation for bottom paint. Applying 4-6 coats of IP 2000e will give you a hard surface that can be sanded smooth yielding a good surface for bottom paint. While I've read about and struggled with removing, some bottom paints can be hot coated on the barrier coat yielding a very smooth bottom.  Check out the Interlux site for more information. Their tech reps will usually respond quickly to any questions.
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      > Dave
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      > On Dec 5, 2012, at 6:02 PM, sailor11767 wrote:
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      > Interesting "value" question. Many folks the world over have spent fortunes repairing blisters (or just plain scrapped bad cases). I'm sure every one of them wishes someone earlier in line had barrier coated their boat.
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      > But here's the question. Many of our boats are 20-30 years old. While we may have caked on bottom paint that warrants a blasting job, one has to wonder if there is any value to the barrier coat. Will a boat decide after 20 years to start blistering? Or have the boats that haven't blistered yet been tested by time and are immune?
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      > If I had a freshly blasted hull, I sure would be tempted to do it though!
      >
      > Harry
      >
      > --- In Sabresailboat@yahoogroups.com, Peter Tollini <pete@> wrote:
      > >
      > > If you have the boat soda blasted and you refair (or have refaired) the
      > > strut and through hulls, a DIY barrier coat is literally just mixing &
      > > rolling on 6 coats, assuming your yard allows it. Even though your 36
      > > probably has a vinylester layer (86 & later), an epoxy barrier coat is a
      > > really good idea if you've gone to the time and expense of soda blasting.
      > > Pete
      > >
      > >
      > > On Wed, Dec 5, 2012 at 2:38 PM, mc1001@ <mc1001@
      > > > wrote:
      > >
      > > > **
      > > >
      > > >
      > > > A quick question about barrier coats: I am probably going to have my Sabre
      > > > 36 soda blasted. Is it a missed opportunity not (because of expense) to get
      > > > a barrier coat done too?
      > > > Any thoughts?
      > > >
      > > > Thanks, JM
      > > >
      > > >
      > > >
      > >
      >
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