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 Post subject: Pits In Epoxy
PostPosted: Sun Oct 03, 2010 7:54 pm 
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I was finishing up sanding the little Kid row tonight when I noticed a problem with pits in the epoxy on the port side near the bow. I didn't have this problem with the bottom or the other side. I'm guessing they were caused by dust. I thought I was careful between coats. :(
OK here is my question. Should I apply another coat of epoxy to this area or will my finish fill in these pits? I plan on using clear Profection Plus.
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 Post subject: Re: Pits In Epoxy
PostPosted: Sun Oct 03, 2010 8:04 pm 
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Location: Branson, MO
My first thought was this was lows spots in orange peel but when I enlarged the photo it appears to be holes left from popped air bubbles.

I would not trust a clear coat finish to fill these. So from my personal experience, I would apply another coat with a roller and tip out to remove any air bubbles.

dave

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 Post subject: Re: Pits In Epoxy
PostPosted: Sun Oct 03, 2010 8:13 pm 
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That is what I figured. I was just hoping I didn't have to wait the extra time for it to cure.

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 Post subject: Re: Pits In Epoxy
PostPosted: Mon Oct 04, 2010 4:36 am 
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Those small pinholes are fairly common in just solid coating with epoxy. They are simular to the outgassing bubbles that you also get in the initial coats directly to wood. Spot in and save coating the complete hull if you wish and then sand the few spots. Varnish will actually do a fairly decent job if you use the captains of epiphanes type high solids stuff. With that size boat you can adjust the angle and even apply flat for the small areas, dabbing and recoating small areas with a tape line for the larger areas to control blending marks under the varnish too.


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 Post subject: Re: Pits In Epoxy
PostPosted: Mon Oct 04, 2010 4:58 am 
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i would fill that. the perfection plus needs to go on in thin coats. just spot touch the areas try to vac the epoxy powder out of the pinholes to make sure it wets out to clear and would lay that surface flat so gravity is on my side.
-Billy

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 Post subject: Re: Pits In Epoxy
PostPosted: Mon Oct 04, 2010 7:26 pm 
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Guys,
I decided to recoat that entire area. I first dabbed each pit and then put on two coats of epoxy. Looking good so far. :D Oyster and Billy. How is this for flat. :wink:
Attachment:
Kid Row 025.jpg
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Kid Row 026.jpg
Kid Row 026.jpg [ 1.85 MiB | Viewed 673 times ]

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 Post subject: Re: Pits In Epoxy
PostPosted: Mon Oct 04, 2010 8:18 pm 
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Grand Chillin wrote:
Guys,
Oyster and Billy. How is this for flat. :wink:

yeah that is flat :lol: looks like you got that area pretty well
with that piano in there it looks a lot like my shop :lol:
how you doing on that refinish?
-Billy

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 Post subject: Re: Pits In Epoxy
PostPosted: Mon Oct 04, 2010 8:38 pm 
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What piano? :roll:

Billy,
I haven't done anything on the piano other than clean off some paint and build up. Don't worry I have my notes and will get back to you. :wink: Hey, I did put the bench back together tonight. I still need to put a couple more coats of poly on the seat. I like the way it turned out, I even surprised myself. :D I can't believe I didn't take a before picture. :roll: The Admiral was so pleased that I'm hoping it bought me at least two weeks of boat work before she realizes that I'm not working on her Grandmother's piano. :oops:
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 Post subject: Re: Pits In Epoxy
PostPosted: Wed Oct 06, 2010 5:04 am 
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Grand Chillin wrote:
Hey, I did put the bench back together tonight. I still need to put a couple more coats of poly on the seat. I like the way it turned out, I even surprised myself.

that looks like a pretty close match to the piano! nice. are you going for a semigloss finish? that would be easiest and still show the nice ribbon figure in the mahogany
-Billy

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 Post subject: Re: Pits In Epoxy
PostPosted: Wed Oct 06, 2010 7:19 pm 
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Billy.
I didn't even think about semi-gloss. I am using a gloss poly on the bench that I already had. If I'm reading you right about the semi-gloss, it's because the current finish on the piano is duller than the gloss. I'm guessing here. Any input is welcome. I do have two small areas on one of the piano panels where I can experiment. :D

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 Post subject: Re: Pits In Epoxy
PostPosted: Wed Oct 06, 2010 7:34 pm 
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Grand Chillin wrote:
Billy.
I didn't even think about semi-gloss. I am using a gloss poly on the bench that I already had. If I'm reading you right about the semi-gloss, it's because the current finish on the piano is duller than the gloss. I'm guessing here. Any input is welcome. I do have two small areas on one of the piano panels where I can experiment. :D

if the case is not perfect, the high gloss will show all the imperfections. most of the older pianos ended up with a semi gloss appearance as they aged, so that would be an appropriate finish. not like a Steinway grand that demands gloss as smooth as glass.
so on your restoration, the gloss is a good starting point and you can either continue with that right to the finish coat and use fine scotchbrite and bring the luster down to a point you are happy or put a semi gloss coat or two over the gloss and call it a wrap.
-Billy

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 Post subject: Re: Pits In Epoxy
PostPosted: Wed Oct 06, 2010 8:01 pm 
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It hit me after Billy's last reply. What other boat building forum can you go from "pits in epoxy" to "piano restoration" in the same thread. :D That's just another thing I like about being on here. People willing to help out on all kinds of other issues. :wink:

Billy,
Thanks again. I will go over what you have told me so far and get back to you before I do anything with the piano itself.

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