How to glue a crack in the front panel of a classical guitar?



Asked by: Elizabeth Dodson

What type of glue should I use on my guitar?





Hot hide glue or simply “hide glue” has been famous for being the luthiers choice in both guitars and violin family instruments for centuries. It dries very hard and is not susceptible to thermal plastic creep like many of the modern PVA glues.

Is it possible to fix a crack in a guitar?

Most acoustic guitar cracks can be sealed with good adhesive or glue. However, the timing for the repair is critical because the separation often expands when neglected. Also, if dirt and oils accumulate in the seam, the glue will be less effective.

Can I use super glue on a guitar?

As we’re going to point out in a minute, super glue is good for SPECIFIC tasks in guitar assembly and repair. But it’s not good for everything. Because super glue is so strong, it’s not a good choice for any wood-to-wood joints. It would never be used to attach the neck to the body, for example.

Does a crack in a guitar affect the sound?

So what’s the impact? Well usually, cracks will result in less sustain (how long a note can be heard), and less resonance. These are two factors which are really important in creating a good tone. Cracks still can impact the tone of an electric guitar, but it’s not as big of an issue.

How do you glue a cracked guitar?






And press upward gently to open the crack a little while i work glue into it from the outside. Clean off the glue. And then clamp it lightly with a flat call on the top.

Which is better titebond or Gorilla Glue?

Gorilla glue will adhere to more substances but Titebond III gives a better wood to wood bond. Gorilla Glue cannot be washed off your hands…it must wear away while Titebond III cleans up with water. Gorilla Glue foams excessively upon curing. The foam is gap filling but has no strength.

How much does it cost to repair a crack in a guitar?

Repair prices are based on a rate of $80 per hour. These prices apply to guitars in otherwise good working order.



Acoustic Guitar Repair Rates.

Service Cost
Brace repair $40 per brace and up
Crack repair $40 minimum and up
Heat press neck $80 and up
Fret level (includes a set up) $160 and up

How do you fix a classical guitar?

And remove any of that excess varnish. From there from the top and make sure we level it and get it nice and flat. And we can put the bridge back on.

What causes guitars to crack?

Lack-of-humidity cracks typically run along the grain of the wood. As wood shrinks in low humidity environments, it eventually reaches a point where the wood can stretch no further and, well, it cracks.



How do you fix a hairline crack on a guitar?

Am going to use thin viscosity CA glue in a small pipette. Both of these items I got from LMI. I use the pipette to apply a small amount of the CA. To the crack.

Can you use wood glue on a guitar?

The best wood glue to use for almost all aspects of guitar building is Franklin Titebond aliphatic glue. When set, it is often stronger than the wood itself.

What is hot hide glue?

It's the traditional glue for lutherie. And it's what all your old Gibson's and Martin's are held together with. When it hardens it's like crystal. So it transfers tone really well.



What is the strongest hide glue?

If you are new to hide glue, this is the grade you should get. The 251 gram strength glue is traditionally the most appropriate for regular cabinetwork. Its higher strength means that you can do rub joints more easily, and clamped joints will have less time to creep.

Is Pearl glue the same as hide glue?

Pearl Glue is a high quality traditional, natural bone or hide glue used for antique wood restoration, joinery and laying wood veneer.

How strong is Titebond hide glue?

Bond Strength ASTM D-905 (On Hard Maple)

Temperature Strength Wood Failure
Room Temperature 3,591 psi 72%
150°F. Overnight 3,207 psi 59%




Is fish glue as strong as hide glue?

Cold water fish gelatins show a comparatively low tensile strength of around 22MPa (3200 psi) which again is very bloody strong. A high tensile strength similar to that of hide glue has been reported for mildly prepared Isinglass from Sturgeon, making it a useful adhesive for bonding wooden joints.

How long does Titebond hide glue last?

12-18 months

Shelf life is 12-18 months if stored in a cool, dry location. Titebond® Liquid Hide Glue includes an expiration date on the bottle, because it can progressively lose its ability to dry hard, and this change is not visually obvious.