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| Gluing to shellac surface http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=19859 |
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| Author: | Ken Mitchell [ Mon Dec 01, 2008 8:57 pm ] |
| Post subject: | Gluing to shellac surface |
I've always put a few coats of shellac on my tops prior to finishing. I sand the whole top pretty thoroughly before spraying, but of course there is a thin film of shellac everywhere, including under the bridge patch. I've never had any trouble with the bridge coming unglued. On a current build, however, I've put more coats of shellac on than usual, in order to cover up some slight irregularities in the top surface. I'm sanding back significantly, but there is probably more shellac on the surface than usual. Should I be worried about the glue adhering under the bridge, or rather, failing to adhere, and the bridge lifting? Are most folks sanding or scraping all the way back to wood under the bridge patch? TIA, |
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| Author: | Ken Franklin [ Tue Dec 02, 2008 2:03 am ] |
| Post subject: | Re: Gluing to shellac surface |
I sand all the way back to wood. Why take a chance? |
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| Author: | Pat Foster [ Tue Dec 02, 2008 9:33 am ] |
| Post subject: | Re: Gluing to shellac surface |
A sharp-corner scraper works pretty well to cut that rabbet, makes it easy to tell how deep I've gone. Pat |
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| Author: | Ken Mitchell [ Tue Dec 02, 2008 12:10 pm ] |
| Post subject: | Re: Gluing to shellac surface |
Thanks, guys! |
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