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Flooring Material for Grand Piano? #2856132 06/06/19 02:55 PM
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I have a 6'3 Baldwin grand and redoing the floors in a large living room (17'x18'). I'm debating on which new flooring material to use - engineered hardwood or Luxury Vinyl Planks. The Vinyl looks like real wood and is less expensive, but I'm not sure how this would hold up with a 6'3 grand piano, even with casters. Also I'm guessing the acoustic properties of vinyl would not as good as the hardwood.

Has anyone placed a grand on vinyl planks? Are there opinions on the acoustic properties of vinyl vs engineered hardwood? Thanks.

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Re: Flooring Material for Grand Piano? [Re: TBell] #2856142 06/06/19 03:43 PM
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I am only making an uneducated guess here, but I would think that the engineered hardwood would be more "reflective" of sound than would the vinyl. In other words, the piano may sound slightly brighter on hardwood than on vinyl. The vinyl, having slightly more give to it than the hardwood, might eventually develop depressions where the casters (caster cups) contact the floor.

Of course this can be mitigated to some degree by the room's furnishings (upholstered sofas, chairs, draperies, etc.).


Regards,


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Re: Flooring Material for Grand Piano? [Re: TBell] #2856145 06/06/19 04:02 PM
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I'd ask your flooring folks. I have LVP in my office and it seems very sturdy, especially where the subfloor is concrete. Either way you go, a big shag area rug under the piano works wonders. Drapes and furniture as BruceD suggests also help a lot.

Last edited by Emery Wang; 06/06/19 04:03 PM.

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Re: Flooring Material for Grand Piano? [Re: TBell] #2856158 06/06/19 04:46 PM
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I went through this awhile ago for our house. Building materials are classified by a Noise Reduction Coefficient (NRC). NRC of 0 means it reflects everything, NRC of 1 means it absorbs everything. These values came out of an architectural table I found:

Vinyl flooring: 0.03 to 0.05
carpet (commercial): 0.10 to 0.15
Wood: 0.15
plush home carpet: 0.40 to 0.50
ceiling tile: >0.50.

So you're correct, the wood floor would be slightly more absorbant, but both materials have very low values compared to carpet. The measurements are made at and below 2000Hz, so probably not the best way to measure response for music, but I couldn't find anything better.


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Re: Flooring Material for Grand Piano? [Re: TBell] #2856165 06/06/19 05:50 PM
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Something else that you might want to consider is laminate flooring, which is more expensive than luxury vinyl planks but quite a bit less expensive than engineered hardwood.

I just had to re-do the floor in my office and I got Atroguard Stature flooring, which is a water-resistant laminate flooring that can apparently even be wet mopped, unlike most other laminates.


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Re: Flooring Material for Grand Piano? [Re: TBell] #2856206 06/06/19 08:44 PM
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I'm in the same situation - I'm considering the Vinyl Planks. But there's a fair chance that my 400kg piano will make an impression on just about any flooring material - it's concrete with carpet at the moment. So I'll keep a spare plank or 2 so it can be repaired when I leave here - if I ever do.

The other possibility I've had suggested is BAMBOO flooring - but I'm still researching that. It's apparently harder than timber.

Has anyone used BAMBOO under a Grand?


Alan from Queensland, Australia (and Clara - my Grotrian Concert & Allen Organ (CF-17a)).
Re: Flooring Material for Grand Piano? [Re: TBell] #2856362 06/07/19 11:04 AM
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We just got one room installed with new flooring, it's not the piano room, so I can't speak to piano-specific questions. But I wanted to say, don't skimp on the underlayment. LVP and other manufactured flooring can have a sort of clack-clack noise when you walk on it, and high quality underlayment (and professional installation) makes a big difference.

OP, do write back and let us know which flooring you choose. Also, if you haven't already, you might contact the flooring manufacturer and see what they have to say about the piano weight. You can't be the only person who's ever had this question.

Good luck!!


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Re: Flooring Material for Grand Piano? [Re: ShiroKuro] #2856385 06/07/19 12:17 PM
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Originally Posted by ShiroKuro
[...] Also, if you haven't already, you might contact the flooring manufacturer and see what they have to say about the piano weight. You can't be the only person who's ever had this question.
Good luck!!


Stating the obvious, here: The manufacturer needs to understand that the 800 lb. weight of a grand piano is distributed at three rather precise points, not over an extended area.

Regards,


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Re: Flooring Material for Grand Piano? [Re: TBell] #2856468 06/07/19 04:23 PM
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I have bamboo hardwood flooring. There is not problem with my grand on it. It is very hard and strong. However, it is not the best flooring for the Colorado climate. It has experienced some shrinking in places that expose larger gaps. It was installed by previous home owner, so not my choice. It does look good.

Re: Flooring Material for Grand Piano? [Re: TBell] #2857762 06/12/19 10:13 AM
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I contacted Armstrong flooring (the manufacture) and asked if luxury vinyl and engineered hardwood would hold up tp a 800 lb grand piano. Here is their reply:

"While a piano is an extremely heavy object, as long as there are no other heavy objects in the room (i.e. a large aquarium, pool table, etc), you should not experience floor performance issues because of it. If there are similar pieces in the same room, they may limit the floor's expansion and contraction, which can cause peaking/buckling at the seams.

The piano should be a "fixed" object, allowing most of the natural expansion and contraction to be forced away from the piano. We recommend allowing a 1/2" expansion zone on the opposite wall to compensate for the weight being in one area of the room. The usual 1/4" to 1/2" expansion zone should be used along all walls (preferably closer to 1/2" to allow for extra expansion).

Floor protectors under the legs of the piano will help to distribute the weight load and to minimize scratching to the floor's surface. Important factors in getting these results:

1) The heavier the weight load, the wider the protector should be.
2) Keep the floor protector as well as the floor surface clean.
3) Replace the protectors as needed. When they become scratched or scored, they will contribute to abrasion of the floor's surface.
4) We DO NOT recommend rubber, or metal-based protectors."

Re: Flooring Material for Grand Piano? [Re: TBell] #2904777 10/26/19 12:33 PM
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Originally Posted by TBell
The piano should be a "fixed" object, allowing most of the natural expansion and contraction to be forced away from the piano. We recommend allowing a 1/2" expansion zone on the opposite wall to compensate for the weight being in one area of the room. The usual 1/4" to 1/2" expansion zone should be used along all walls (preferably closer to 1/2" to allow for extra expansion).


Does that mean there will be a 1/2" gap by the other wall?


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Re: Flooring Material for Grand Piano? [Re: TBell] #2904785 10/26/19 12:43 PM
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TBell, what decision did you make? I am in the process of choosing flooring for a room that may (hopefully!) get to house a grand piano. I'm leaning toward a luxury vinyl plank (Adura Max) that does not hold up quite as well as hardwood.


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Re: Flooring Material for Grand Piano? [Re: TBell] #2904844 10/26/19 04:49 PM
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We replaced our carpet with luxury vinyl (Lowe's brand Smartcore), and are happy with it. I have a 6' 7" Kawai GX 5 and I don't see indentation or anything. The subfloor is concrete as this is our finished basement. We did notice that sound was a bit brighter, but that wasn't a surprise and it's not terrible. We may place a small rug directly underneath, but haven't decided yet. Not sure how to attach a photo, but happy to send it if anyone is interested.

Re: Flooring Material for Grand Piano? [Re: TBell] #2927676 12/28/19 05:32 PM
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I know this posted awhile back but I went with glue down Armstrong Vinyl plank. It is very durable and attractive but since it is thin there is not much cushion for walking. There is no issue with it coming apart like the floating floors, though some floating floors can also be glued down, like Lowe's SmartCore. I almost went with engineered hardwood but it would be about double the cost.

I did put a rug underneath since I have wanted the brightness toned down a bit. It is in a big open room with windows.

[img]https://imgur.com/a/bVN4zwL[/img]

Re: Flooring Material for Grand Piano? [Re: TBell] #2927686 12/28/19 06:01 PM
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Beautiful piano and your choices for area rug and flooring..,.,, thx much for posting


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Re: Flooring Material for Grand Piano? [Re: TBell] #2927687 12/28/19 06:03 PM
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Finally got the picture to embed:

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Re: Flooring Material for Grand Piano? [Re: TBell] #2927699 12/28/19 06:48 PM
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Lovely!!


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Re: Flooring Material for Grand Piano? [Re: TBell] #2927720 12/28/19 08:13 PM
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Nicely done and looks great!



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Re: Flooring Material for Grand Piano? [Re: TBell] #2927753 12/28/19 10:54 PM
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Thanks for the update. Always nice to see how things turn out, and in this case it really turned out great.


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Re: Flooring Material for Grand Piano? [Re: TBell] #2928845 12/31/19 10:21 PM
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It looks great! I'm glad it turned out.


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