The center seam on the back was open and needed to be glued and supported. Most acoustic guitars have an internal "seam strip" that reinforces the glue joint of the two halves of the back. This model does not so I needed to fit and install a couple to keep the joint closed. One ran from the neck block to the first brace and another between the first and second back braces. Note that Tacoma uses an upper bout soundhole so these repairs were a little more difficult to pull off versus a traditional soundhole.
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A common acoustic repair shown here is damage to the sound hole. This section was broken in two places and hinged at the rosette's inner ring. The fix is to fit and glue a supporting cleat inside the sound hole. Once I make the cleat, I like to glue the break and install the cleat in one shot. For bonus points, I also slightly age the new cleat so it looks like an older repair.
The treble side top crack running from the high e to the tail was repaired. Now it's time for the bass side crack running from the A string bridge pin hole to the tail. This crack was repaired before by another repair person, then repaired by myself using the standard cleating method (small rectangular cleats). Since this guitar is exposed to less-than-ideal conditions, I'm removing the old cleats and re-repairing this crack with TJ Thompson's full cleat method.
Top crack repair :: 2003 Taylor 214
Cleating a top crack with TJ Thompson's Crack Corrector jig. Works great, really dig it. I'll repeat this setup for a bookmatched crack on the treble side.
Missing soundhole pieces :: Lyon & Healy Bowl Back Mandolin
Here I'm fitting missing sound hole pieces in the Lyon & Healy mandolin. First internal cleats were prepped to support the new pieces. Once glued in they will be shaped and color matched to blend in with rest of the ~100 year old soundboard.