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Putting a grand piano on a concrete/tiled floor?
#162762 05/21/08 11:27 PM
Joined: Nov 2006
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Digitus Offline OP
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I was told that if a grand piano is to be located on a concrete or tile-on-concrete floor that something should be put under the casters so that strong vibrations that are conducted down through the legs are not reflected back up from the floor.

Is there any truth in this?

I was thinking that the only way that these reflected waves can cause damage in the long-term is if they resonate sufficiently strongly at specific frequencies within the piano to cause micro-damage at glue joints and cause delamination over the long term.

My soon-to-arrive Sauter Omega 220 has big, locking double-casters (picture below) and I've never come across caster cups that would be large enough to go under them. In any case I don't want to use caster cups because I may have to move the piano very occasionally (e.g., when I tweak the piano's position). It also means that I can't (and don't want to) put the piano on a large rug because it makes it difficult to roll the piano and then reposition the rug under the casters after that.

I used Magiglide sliders under the casters of my Kawai K-8, and they worked very well. I moved that piano around a lot in my effort to find the best location for it in my living room. I could use the larger Magiglides (in pairs) under the casters of the Omega, but I'd like to avoid them if possible because they just aren't all that visually appealing.

[Linked Image]

Re: Putting a grand piano on a concrete/tiled floor?
#162763 05/21/08 11:58 PM
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...Interesting.

My friend Bob and I were inspecting a Knabe piano at a retreat house we were at and it was on a concrete floor (used to be the Brady Estate). I noted a few things like the music stand coming loose. The sound was ok but I noted the hammers were discolored. It must need maintenance and it was kind of out of tune.

- Mark


...The ultimate joy in music is the joy of playing the piano...
Re: Putting a grand piano on a concrete/tiled floor?
#162764 05/22/08 02:05 AM
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The rug can dampen sound without being so large that it extends under the casters. Once you've found the best position for the new piano, there won't be any need to move it.

Re: Putting a grand piano on a concrete/tiled floor?
#162765 05/22/08 03:35 AM
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Digitus Offline OP
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Yes, my intention is to have a rug that does not extend under the casters. But I still need to be able to move the piano on the odd occasion.

I intend to have occasional musical gatherings at my home. If the crowd is sufficiently large I will have to move furniture and the piano around temporarily. You may think I'm crazy, but the reason why I can even think about doing this is because my living room floor is tile-on-concrete, there are large but easy-to-move rugs and the furniture is also easy to move. smile

And of course having the piano sitting on the casters without caster cups or Magiglides is the best. But since I was cautioned against doing so I thought it best to ask on the forum.

Re: Putting a grand piano on a concrete/tiled floor?
#162766 05/22/08 04:44 AM
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Understood.


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