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Home : Trade Secrets Archive : Issue 155, Why use a household iron on a fretboard?
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Ironing a fretboard
Erick ColemanHelpful housewares
Why I’m ironing, and why super glue is
the wrong choice for fixing this fretboard.

Dave Frush   Meet Dave Frush, a member of our StewMac warehouse crew. Dave’s one of StewMac’s resident rock and rollers, and after work you’ll find him recording or playing the local clubs with his band, Zapaño.
Dave asked me what to do about this separation between the rosewood fretboard and maple neck of his guitar (below). He wondered if he should just run some thin super glue into the seam and clamp it tight.
Fretboard separation
It’s great for lots of jobs, but super glue isn't the right choice for this. I wouldn’t want to chance having thin glue run into the truss rod channel, causing the rod to seize up.
I thought about working some Titebond into the gap, but then I wouldn’t know what caused this issue to begin with. No sense filling this gap with hardened glue when I’d rather the gap wasn’t there at all. And I sure wouldn't want to see the fretboard separating later on either side of the repair.
I decided to remove the board, clean up the surfaces, and re-glue it.
Pulling fretsThe first step was to pull two frets: the 1st and the 22nd. I used care not to twist or mangle these frets, so I can reinstall them later.
   

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Fret Puller
Depth-stop drill bit Next, I drilled indexing holes through those two fret slots into the neck, one on each side of the truss rod. These holes will come in handy when it's time to reattach the fretboard.
Watch out: it's easy to drill clear through the neck! So I'm using a depth-stop drill bit.
Depth-stop Drill Bits
Household iron This trusty old iron that my wife discarded is my favorite tool for removing fretboards. I turn the iron up to its maximum temperature, and the frets help transfer heat deep into the board. I heated the entire fretboard by moving the iron over its length for about 10 minutes...
 
Bridge removal knife ...then I used a bridge removal knife to work the board off, starting where it was separated.When I got the board off, I found the issue: the factory simply hadn't used enough glue to cover the board.
Bridge/Fingerboard Removal Knife
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Scraping glueNail as index pin The next step was to clean off any humps of glue left over from the factory. I softened the glue with hot water on a brush, then used a scraper to remove it. I let the cleaned-up board dry for a few hours.
I used wire nails for indexing pins, pushing them through the holes I’d drilled in two fret slots. I taped off the truss rod slot before brushing on the glue, to keep the glue out of there.
Taping off

Scraper Blades





Glue Brush

Gluing up Time to glue!
I spread a good layer of Titebond to ensure good glue squeeze-out, and removed the tape.
The index pins and holes made it easy to position the fretboard exactly where it had been before I started.
Positioning the board
Franklin Titebond Glue
Rubber band clamping I clamped the board tight with rubber bands and removed all the glue squeeze-out I could before the glue dried. I'm not going to be able to get it all, but it helps! I let it dry overnight.
Rubber Binding Bands
Fret press The next day I removed the rubber bands and indexing pins and used a damp rag to clean up any remaining squeeze-out. I reinstalled the two frets I pulled, and put this rock and roll machine back together.
Fret Arbor Press System
Ready to rock! Back in business!
Dave’s guitar is repaired and playing great. The job wasn't too difficult; actually, it was fun to do.
Here you go, Dave—
commence rocking!


 
Problem-solving products for this kind of work:
Fret Arbor Press System
A fretting factory on your workbench! Now with versatile fretting table.
Franklin Titebond Glue
Aliphatic-resin glue for instrument building and repair.
Bridge/Fingerboard Removal Knife
Flexible spatula removes bridges, pickguards and fingerboard extensions.
Buy Now Buy Now Buy Now
Glue Brush
A versatile metal-handled brush that's the right size for routine instrument gluing jobs.
Rubber Binding Bands
The fastest way to hold binding in place while gluing.
Depth-stop Drill Bits
Seven sizes for installing tuners, pickguards, string trees, truss rod covers, and more.
Buy Now Buy Now Buy Now

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