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 Post subject: Onlayed Marquetry
PostPosted: Mon Aug 23, 2010 6:55 pm 
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Joined: Mon Oct 19, 2009 5:13 pm
Posts: 1500
Location: Ridge Spring, SC
I was wondering if anyone has glassed over an onlayed marquetry. The instructions say to install the glass as normal, but I'm concerned about air being trapped around the edges of the onlay. The onlay is install so I only have one shot at this.

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 Post subject: Re: Onlayed Marquetry
PostPosted: Tue Aug 24, 2010 5:28 am 
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Joined: Sun Jul 02, 2006 7:10 pm
Posts: 4394
Location: North Carolina
Several issues in the one shot deal, clean the surface thoroughly to remove all the residue of the glues. Use special coatings hardeners and try to pick a day that has low humidity too. As far as the air trapped around the edges, this needs some clarication of photo.


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 Post subject: Re: Onlayed Marquetry
PostPosted: Tue Aug 24, 2010 8:13 pm 
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Location: Ridge Spring, SC
Mike,
All residue is removed and I plan on using special hardener when glassing. Now as far as low humidity, you know I live in South Carolina so that means I will have to wait until at least January. :( :roll:
What I mean about air trapped around the edges is when I actually install the glass. I was wondering if this would be a problem considering this is an onlay. Remember the duck. :D
Image

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 Post subject: Re: Onlayed Marquetry
PostPosted: Tue Aug 24, 2010 10:08 pm 
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Joined: Tue Aug 24, 2010 9:50 pm
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Location: Central Massachusetss
FWIW, I did nothing different from normal when adding the sunset pattern as an onlay on my kayak. Treated it like a piece of the decking. There were no issues with air bubbles or any problems with epoxy wet out. Be careful sanding afterwards however because you are slightly raising the surface under the glass, so you *could* end up oversanding on the edges.


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varnish over sunset.JPG
varnish over sunset.JPG [ 84.98 KiB | Viewed 657 times ]

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Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. - Mark Twain
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 Post subject: Re: Onlayed Marquetry
PostPosted: Wed Aug 25, 2010 5:03 am 
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Joined: Sun Jul 02, 2006 7:10 pm
Posts: 4394
Location: North Carolina
With your raised enlay, just glass it completely across it then cut around the enlay after you wet it out and let it get a bit tacky. Then cut it with a very sharp razor knife and push it down into resin that will and should be on the wood below the edge. You may get some small strand running a stray but you can deal with that too. One issue that you may have is that the resin may also cause the paint on the enlay to smear though depending on the age and type of paint. When in doubt test it first by wetting out the face of the enlay with just resin before you get too deeply involved. You can always sand the resin and recoat it in the glass phase of the job.


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 Post subject: Re: Onlayed Marquetry
PostPosted: Wed Aug 25, 2010 6:59 pm 
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Joined: Mon Oct 19, 2009 5:13 pm
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Location: Ridge Spring, SC
2tall and Oyster,
Thanks for the replies, but since the humidity has been 100% here lately it may be awhile before I can glass the little row boat. :( I was trying to finish up projects that I started before the pontoon and get them out of the way. :roll:

2tall,
Nice job on the Kayak. :D Looking at the picture I can't tell that the sunset is an onlay.

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 Post subject: Re: Onlayed Marquetry
PostPosted: Thu Aug 26, 2010 9:17 pm 
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Joined: Tue Aug 24, 2010 9:50 pm
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Location: Central Massachusetss
Thanks! It was an old carpenter's trick, when you make a mistake, turn it into a feature... I oversanded the scarf joint in the okoume decking underneath, and burned through the top ply a bit, so I covered it!

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Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. - Mark Twain


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