Posted by avallk on January 17, 2005, 9:52 am
We are looking to replace the flooring in out living room, dining room
and kitchen with ceramic tile. Does anyone know if there is a problem a
piano's weight on ceramic tiles? Is there a best practice for putting
it down to reduce/eliminate cracking? This would be installed on the
first floor over wood joists.
Thanks
Ken
Posted by Charles Spitzer on January 17, 2005, 3:45 pm
> We are looking to replace the flooring in out living room, dining room
> and kitchen with ceramic tile. Does anyone know if there is a problem a
> piano's weight on ceramic tiles? Is there a best practice for putting
> it down to reduce/eliminate cracking? This would be installed on the
> first floor over wood joists.
> Thanks
> Ken
make sure the underlayment doesn't flex. that's what causes tiles to crack.
Posted by v on January 17, 2005, 3:58 pm
On 17 Jan 2005 06:52:14 -0800, someone wrote:
> Does anyone know if there is a problem a
>piano's weight on ceramic tiles? Is there a best practice for putting
>it down to reduce/eliminate cracking? This would be installed on the
>first floor over wood joists.
Not for the tiles. You can drive a truck on tiles, or put a very hard
small leg on them, if they are properly supported. Ceramic tile is a
very hard material and can take thousands of pounds per square inch of
perssure. But they are just the floor finish. The floor itself,
BETWEEN the joists, has to be rigid enough (you should have adequately
stiff joists too). But the most critical thing is, what do you have -
or are willing to have - for the FLOOR? I presume you are not laying
tile directly on the joists.
Reply to NG only - this e.mail address goes to a kill file.
Posted by Christopher Green on January 19, 2005, 12:31 pm
>The flooring itself is particle board from the 70's right now. We are
>planning on ripping that up and replacing it with plywood, probably
>3/4" or two layers, one 1/2" and one 1/4" to overlap the seams.
I don't know how heavy your piano is. Modern pianos are pretty light,
500 pounds or so, and a well-built floor won't be bothered by that.
Older pianos can be much, much heavier, and I'd worry about anything
earlier than WWII sitting on a floor that will be sensitive to any
kind of flexing.
Depending on how the joists are laid, I might go for reinforcing with
some crosspieces while you have the flooring up and can get to the
joists. If you're talking about an old piano, though, I'd call in
experts.
--
Chris Green
Posted by v on January 19, 2005, 2:28 pm
On 19 Jan 2005 07:25:56 -0800, someone wrote:
>The flooring itself is particle board from the 70's right now. We are
>planning on ripping that up and replacing it with plywood, probably
>3/4" or two layers, one 1/2" and one 1/4" to overlap the seams.
1/2 + 1/4 is NOT as strong or stiff as one layer of 3/4.
They make 3/4 T&G just for this purpose.
My house has 2 layers of 5/8, even though the joists are only 16" O.C.
Spec changed at Contractor's request from the 3/4 T&G originally
spec'd. We also have 2x10 joists even though the house is only 25 ft
from front to back, with a center beam (it is a very stiff house).
Are you sure the house is actually using "particleboard" to span
between joists? Particleboard (the fine grained stuff) is usually
only a non-structural underlayment. Chip boards like "Aspenite" can
span, but they differ from particleboard.
Reply to NG only - this e.mail address goes to a kill file.
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> and kitchen with ceramic tile. Does anyone know if there is a problem a
> piano's weight on ceramic tiles? Is there a best practice for putting
> it down to reduce/eliminate cracking? This would be installed on the
> first floor over wood joists.
> Thanks
> Ken