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Old 04-27-2015, 02:03 PM
Ned Milburn Ned Milburn is offline
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Join Date: Feb 2011
Location: Dartmouth, NS
Posts: 3,127
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Quote:
Originally Posted by lucascantelle View Post
Ned Milburn, B. Howard and Howard Klepper;
Thank you so much guys!

Considering that at the time I do not have money, do you guys think is a risk try to repair the guitar by myself at home?

And, could you guys give me an idea of how much does this repair can cost? (if made by a professional)

So, just to understand the responses, the steps should be:

1 - Humidify the guitar, the crack should close (or almost) by the humidity.
(I removed the strings, and put a plastic container with an sponge inside the body, right now the humidity is 55%. Do I have to increase the humidity with one more container?)
2 - After seeing the crack closing (if it works). I can use the glue (tilebond), to fix the crack?
3 - Probably there are more steps between these two mentioned above, right? What I have to do? I will need extra tools?
There are different glues that people use due to their own thoughts on the differing properties of the different possible glue choices. CA is even another possible glue choice that some people put to good measure.

If the guitar is over-humidified, then repaired, the same sideways forces will be put on the guitar top when it reaches its target relative humidity which may over time pull another crack in the soundboard. Consideration of the target ambient relative humidity in which the guitar will be stored will be important to consider if choosing to humidify the guitar before gluing, and how much to humidify.

At any rate, the crack must be levelled when gluing, and a crack of this nature would be well served by a few cleats.

It is certainly a diy possible repair, but a few special clamps are needed, chisels, spare spruce, etc. So, most people take it to a competent local repair person and have it glued. It is less expensive in its early stages.

If it is done sooner rather than later, there is less chance of the top peeling or peeling further from the braces on either side of the crack, which must be glued at the same time as the top repair. The longer time elapses, much of the time the greater the sides of the crack ripple upwards. Also, the longer it is left, the more gunk and oil can penetrate and line the edges of the cracked wood, which can weaken the adherence of some glues.
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Ned Milburn
NSDCC Master Artisan
Dartmouth, Nova Scotia
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