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Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 2:03 pm
by Eric Knapp
Hi, everyone.
There's a clean crack on the top plate of my old archtop.
It is a very clean break that goes together well.
What glue would you all use to fix this?
Thanks,
-Eric
Re: Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 2:14 pm
by Brian Evans
I suspect that people that build with hot hide glue would use hot hide glue, and people (like me) that build with yellow AR glue (titebond II, etc) would use that. A clean crack like that is very good to glue, and add a few cleats to hold it together.
Brian
Re: Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 4:20 pm
by Beate Ritzert
And for all those who would like to use HHG but feel unsure about applying it correctly, fish glue might also be an option

Re: Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 6:51 pm
by Barry Daniels
I recommend that you install a cleat on there once the glue in the crack is dry. That is a pretty short section which could break again so a reinforcement is justified. Use a thin and small piece of spruce and turn the grain 90 degrees.
Edit: The first photo appears to show the footprint of a previous cleat. Put the new one there or maybe you already figured that out.
Re: Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 9:07 pm
by Brian Evans
I strongly suspect the guitar had strengthening cleats there from new. I double up the top around the F-hole as well.
Re: Archtop Rebuild: Fixing Cracks Glue?
Posted: Fri Jul 15, 2016 10:18 pm
by Eric Knapp
Brian Evans wrote:I strongly suspect the guitar had strengthening cleats there from new. I double up the top around the F-hole as well.
Yes, there were several cleats on the inside of the top plate, including ones on the top and bottom of the f-holes. There is only one left from it's swimming adventure. It's on the center joint right next to the tail block. I am planning on replacing all the missing ones.
-Eric