SAP Renovation Sp. z o.o.

Contact details

  • Ul. Obozowa 18
  • 62-800 Kalisz
  • Poland

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About Us

Take me directly to Range of services

We transform old pianos into real works of art!

We deal with grand and upright piano restoration.  We have been operating on the international market for over 26 years, starting in 1990 

So far over 10.000 instruments all over the world have been refurbished in our factory.  This total makes us the undisputed leader in piano renovation!  We do business with customers worldwide: Austria, Australia, Belgium, Denmark, Finland, France, Spain, Holland, Ireland, Canada, Lithuania, Luxemburg, Germany, Norway, New Zealand, Poland, Russia, Slovenia, Switzerland, Sweden, Taiwan, USA, Great Britain and Italy.  

We come from Poland - from Kalisz to be precise, which has been the biggest centre of music in Poland for almost 150 years.  This tradition obliges us to constantly strive to maintain the quality of our service.  

Our team consists of 80 specialists committed to your success.  We are here for you and thanks to you.  We speak the following languages: Polish, English, German, Spanish, French, Italian and Russian.  Contact us. We are waiting to hear from you!

Range of services

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We offer complete and partial grand and upright piano restoration.  

Case restoration includes:


  • stripping off the old varnish or French polish

  • veneer, carvings, marquetry repair

  • repairs of broken elements

  • case polishing

  • varnishing / varnishing with polishing or application of natural, shellac French polish

  • repair of existing metal parts

  • change of the case colour either by veneering or by chosen colours available at RAL table

  • additional non-standard service according to the customer's wish  


Acoustic renovation includes:


  • drying, shimming, bleaching and re-varnishing of the soundboard or installation of new Ciresa / Strunz soundboard

  • reproduction of the original logo on the soundboard

  • restoration of bass and violin bridge top / new bridge top / new bridges

  • replacement of treble and bass strings

  • iron frame varnishing

  • tuning pin replacement

  • pin block replacement

  • tuning and intonation  


Action rebuild includes:


  • restoration or replacement of moving parts

  • replacement of worn out felts, leather and cashmere

  • replacement of damper lever centre pin

  • installation of new hammers and shanks

  • damper restoration and regulation

  • action regulation

  • keyboard cleaning

  • key re-bushing with cashmere or leather - set key height

  • sharps varnishing

  • ivory key restoration or new plexi key covers

  • at customer's wish: new keyboard / action of finest producers: Steinway & Sons, Renner, Kluge    


Additional offer:   Unique intonation for connoisseurs and others!     

New modern piano has a different sound than the original one for a particular brand of prior 100 years.  

Our company is making restoration and intonation of old instruments what brings original and legendary sound characteristic for different brands – that can’t be achieved on modern pianos!  Therefore, if you are a connoisseur , the owner of the old instrument and you want to restore it our offer is the best for you!  

Steinway's frames in gloss   We do what no one else does. We are happy to inform you that we have finished tests with regard to iron frames – new author's method worked out by our technicians   Thanks to the method Steinway frames are incredible shiny.    

Action rebuild   We offer action rebuild from overdamper to underdamper The service is useful for restoration of old pianos, where action rebuild has a significant effect on the tone and quality of the sound. 

Rebuilt Action reduce the cost of piano tuning and piano service.


Case restoration

When we restore case of the instrument except standard carpentry work we additionally repair damaged...

SAP Renovation Sp. z o.o. Ul. Obozowa 18 62-800 Kalisz Poland +48 625013030


Acoustic restoration

Acoustics is a heart of the instrument!   We know it well , that is why all renovation works are...

SAP Renovation Sp. z o.o. Ul. Obozowa 18 62-800 Kalisz Poland +48 625013030


French polish

Each of these french polish surfaces provides different gloss effect and different surface texture...

SAP Renovation Sp. z o.o. Ul. Obozowa 18 62-800 Kalisz Poland +48 625013030


SAP Pianos for sale

Pianos for sale after full renovation

SAP Renovation Sp. z o.o. Ul. Obozowa 18 62-800 Kalisz Poland +48 625013030


Action restoration

Action restoration of the grand and upright piano includes

SAP Renovation Sp. z o.o. Ul. Obozowa 18 62-800 Kalisz Poland +48 625013030

Exhibitor at the following trade fair

Musikmesse 2016

07.04.2016 - 10.04.2016 Hall: 9.0 Stand: C 60