Hammer Head Filing
When the hammers on a piano develop deep grooves from regular use, resurfacing can restore clarity and brightness in tone.
Wear is measured by the depth of the cut marks in the striking surface. Once these grooves reach a certain depth, they negatively impact sound quality. The felt wraps around the strings, causing a soft, imprecise strike and producing undesirable tones.
Filing restores the hammer’s shape, ensuring cleaner contact with the strings and improved tonal response. This process is often performed alongside other maintenance steps such as voicing and action regulation.
Credits: Chuck Behm (text and photos)
Schedule your service
We would be happy to arrange a convenient time to perform this essential repair. Contact us to ensure the proper functioning and long-term preservation of your piano.
For restoration work, send us a description and a few photos: we will tell you what work to expect. A precise quote comes once we have seen and tuned the piano, during a first tuning visit.
Need an estimate before committing?
Take advantage of an online consultation via Zoom Piano Consultation to receive an initial estimate. The cost of this consultation will be credited toward any future restoration performed by us or our affiliated technicians.