Callier-Scollard Violins
Craig Scollard

50 E. Green St. Suite 142
Pasadena, CA 91105
(626) 795-2870

Mon, Tue, Wed 10:00-1:00.
Thu, Fri, Sat 2:00 to 5:00

Intercom Access Code, Press:
142 and then the CALL button:

Bass Bar Cracks in String Instruments: Repair Methods and Techniques

Bass bar cracks can distort the shape of the instruments top because of the strain of the bass bar. Occasionally these types of cracks can be glued from the outside but most likely you will need to remove the top.

When an instrument's top is no longer has the correct arch then the bass bar needs to be removed. The arch of the top is then corrected and the crack is glued back together. I like using inlaid cleats. Once the cleats are inlaid and finished to the same thickness as the top, a new bass bar can be fitted on top of the stable crack.


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If the crack is at least a couple of millimeters from the bar and there is not excessive pressure from the bar, then it's possible to make a mold and then glue the crack together. Ninety degree cleats can be used to support the crack.


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This is a cello that sounded very nice. Since the crack was slightly off to the side of the bass bar we decided to use the original bar and cleat it.

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Comments (2)
tin fiddle
# -18
Wednesday, 05/29/2019
Jeff Hammers
I have an old tin fiddle that I suspect is from Donegal county Ireland and likely made by my friend's relatives, the Dorhertys. I would like to send some photos so if you respond to this I will have the address to send them. thanks
Saving the original bass bar
# -19
Tuesday, 07/10/2018
The repair looks beautiful inside and out, thank you for your thoughtful rescue.

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