restoration & maintenance

Most maintenance can be carried out on site. Restoration of pianos usually involve transportation of the piano to a workshop.

Maintenance (on site)

- regulation of the mechanic

- adjustments of the keys

- replace broken hammer shanks

- make pedals work properly

- repairing minor damage to the cabinet

- piano voicing/ toning

- replacement of some strings

Restoration (at workshop)

- replacing (bass) strings

- replacement of the hammerheads

- renewing the keyboard

- polishing of the cabinet

What does adjustment of the instrument’s mechanism involve?


The measurements and friction-points are then properly adjusted, so that the playing of your instrument is smoother and lighter afterwards. These spaces tend to change due to fluctuations in humidity or through the frequently playing of the instrument. The adjustment of its mechanism can be done on site. It will take around 3 to 8 hours on the average, but this will also depend on the actual work needed. After these adjustments, the instrument will play optimally again. Adjustments are done in joint consultation, for example when you think that your piano is playing too heavily, then I can adjust it for you.




What are the maintenance or restoration costs?


The maintenance-service costs or the costs of a restoration will depend on the necessary work. These are agreed in joint consultation based on my estimate of the additional work involved. For further explanation of my approach and any additional costs, go to the 'valuation' section.




What do you do when the outside of the instrument is damaged?


If there are minor damages to the piano / grand piano case, these can be repaired directly on site. Polishing is also possible, this is done by Gijs Wilderom.





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Pianostemmer in o.a. Den Haag / Leiden / Rijnsburg / Katwijk / Noordwijk / Lisse / Voorschoten / Wassenaar /  Zoetermeer / Delft / Rijswijk / Schiedam / Rotterdam / Waddinxveen / Gouda / Hazerswoude-Rijndijk / Hazerswoude-dorp / Alphen aan den Rijn