Fret buzz does not automatically mean your guitar needs new frets.
A guitar can buzz because the neck has moved, the string height is too low, the nut is worn, a fret has lifted, or the frets have become uneven. Some of those problems belong in an ordinary setup. Others need fret correction. Only some require fret replacement.
The right decision comes from assessing the whole instrument before removing any metal.
First: is it a setup problem or a fret problem?
A setup adjusts the parts designed to be adjusted: neck relief, string height, intonation and, where relevant, the bridge and pickups. It also includes checking the frets and hardware for problems that adjustment alone cannot solve.
If the guitar has developed widespread light buzz after a change of season, tuning or string gauge, the cause may be the setup rather than fret wear. If one note chokes, a small area buzzes while nearby notes are clean, or the same fault remains after the neck and action are correctly balanced, the frets deserve closer attention.
Useful clues include:
- buzz or choking concentrated around one fret or one part of the neck
- visible flat spots or grooves beneath the strings
- notes that sound out of tune even after the guitar is properly intonated
- frets that feel sharp at the edges of the fingerboard
- a loose fret that moves or produces a local rattle
- bends that stop sounding before reaching the intended pitch
- an action that cannot be set comfortably without persistent local buzz
These signs are evidence, not a diagnosis. Nut wear, neck shape and the condition of the fingerboard can create similar symptoms.
What is a fret dress?
A fret dress corrects frets that are still usable but no longer form an even playing surface.
The process may involve securing a loose fret, levelling the fret tops so they work together, reshaping their rounded crowns and polishing the finished surface. Levelling removes a small amount of metal. Re-crowning restores a clear contact point for the string rather than leaving the fret broad and flat.
A fret dress can be appropriate when:
- wear is present but the frets still have enough height
- a small number of high or uneven frets are limiting the setup
- shallow grooves can be corrected without leaving the remaining frets too low
- the guitar needs a more even playing surface after the other setup causes have been ruled out
The work should be conservative. Removing more material than necessary shortens the useful life of the frets and can change how the instrument feels.
What is a refret?
A refret replaces worn or unsuitable fret wire. It may involve a limited group of frets or the complete fingerboard, depending on the wear, the neck and how well new and existing frets can be matched.
Replacement becomes the stronger option when the existing frets are too low or too deeply worn to level safely. A dress can only remove material. If the lowest grooves are deep, bringing every other fret down to that height may leave the whole instrument with frets that are uncomfortable or unable to produce a clean result.
A refret may also create an opportunity to address fingerboard problems that cannot be corrected properly with the old frets in place. The new frets must then be installed, levelled, shaped and polished as a complete playing surface. The nut may also need attention because new frets can sit higher than the worn frets they replace.
This is skilled, irreversible work. The choice of fret wire, the construction of the neck, binding, finish and the condition of the fingerboard all affect the job.
Do visible grooves always need repair?
No.
Frets are working parts and signs of use are normal. A guitar can show visible wear and still play cleanly, feel comfortable and hold acceptable intonation.
The reason to recommend fretwork is a playing problem or a clear limitation on the setup—not the existence of a mark under a string. A conservative assessment asks what the player is experiencing and whether the wear is preventing the instrument from being set up properly.
If there is no buzz, choking, intonation problem or uncomfortable feel, monitoring the wear may be more sensible than removing metal simply to make the frets look new.
Can only a few frets be replaced?
Sometimes.
Wear is often greatest in the positions a player uses most. Replacing a limited group can be appropriate when the remaining frets have enough height, the fingerboard is sound and the new work can be matched cleanly to the existing surface.
A partial refret is not automatically the cheaper or better answer. If wear is widespread, the remaining frets are already low, or the fingerboard itself needs correction, replacing only a few may create another compromise. The decision should come from measuring the whole neck rather than counting visible grooves.
Why fretwork comes after diagnosis
Filing a fret is a one-way change. That is why fretwork should not be the first response to every buzz.
Before recommending it, the assessment should consider:
- Strings and tuning: damaged strings or a major change in tension can alter the symptoms.
- Neck relief: the curve of the neck affects clearance across a wide area.
- Nut and bridge: open-string noise and action problems may begin elsewhere.
- Fret seating and wear: loose, high, low or uneven frets create different patterns.
- The player: picking strength, preferred action and bending style affect the practical result.
Correcting the wrong part can create a second problem while leaving the first one untouched.
What should a player expect from an inspection?
A useful inspection should explain which symptom has been reproduced, what is causing it, and how much work is justified.
The answer may be:
- an ordinary setup adjustment
- local attention to one or more frets
- a full level, crown and polish
- replacement of a limited group of frets
- a complete refret
- repair to the nut, neck or another part before the final setup
The recommendation should also account for the guitar’s construction and value to the player. Vintage finishes, bound fingerboards and previous fretwork can change how the job should be approached.
Do not chase the lowest possible action
Fret correction can allow a cleaner, more consistent setup, but it does not remove the physical movement of a vibrating string.
A player with a light touch may prefer a lower action than someone who strikes the strings firmly. Lower tunings and heavier strings change the balance again. The target is not the smallest measurement; it is an instrument that feels comfortable and responds cleanly for the person playing it.
Get the cause clear before choosing the repair
The difference between a setup, fret dress and refret is not a ladder of increasingly “better” work. They solve different problems.
A setup is enough when the frets are serviceable and the instrument needs adjustment. A fret dress is useful when the existing frets can still be corrected. Replacement is appropriate when there is not enough usable fret left, the wear is too deep or the neck needs work that cannot sensibly be completed around the existing frets.
Fretwork London assesses fret-related playing problems and explains the appropriate next step before additional work begins. Collection and return are available across London, with free bench inspections by appointment at Sixty Sixty Sounds on Denmark Street. Any work beyond an ordinary setup is quoted separately.
If you are not sure whether the symptom is general setup or local fret wear, try the two-minute guitar setup checker. The London guitar repair guide explains how fret and other repair work is assessed, while the setup-frequency guide covers when a routine check is useful.