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Humidity
In Your Home
The climate in our area necessitates heating our
homes during the winter months which affects the relative humidity of
the air. Such changes in relative humidity can cause severe damage to
the piano. Remember that the piano is for the most part made of wood.
The wooden parts of the piano will come to "equilibrium moisture
content" with the relative humidity of the air. This means that the
wood will absorb moisture expanding and contracting with the changes in
relative humidity. Such expansion and contraction is the direct cause
of cracked soundboards and tuning instability.
Humidity
in your home during the winter decreases because cold air when heated
will drop in relative humidity, so that while the humidity may be 40%
outdoors on a cold day the same air heated in your home can drop to as
low as 15%. Even more drastic changes in humidity can be caused by woodstoves
or fireplaces in the vicinity, try to locate your piano away from such
heat sources.
Humidity Control
It is very likely that you will need to humidify
the air during the winter. We recommend a good humidifier which puts out
a minimum of five gallons per day and a hygrometer for monitoring the
relative humidity. You may also need to dehumidify during the summer months.
The humidity should be maintained between 40% and 60%, never allow it
to go below 30% or above 70%. A soundboard kept in the proper environment
will rarely crack and tuning stability will be much improved.
It it also possible to build a humidity system directly inside the piano.
This is often the choice if the room the piano is in is very large or
if it is impractical to adequately control the humidity of the space.
It is also advised to use this method in conjunction with room humidifiers
and dehumidifiers in severe environments
Service
During the first year your new or rebuilt piano
needs to be tuned more often. The new strings will be stretching out and
the new pinblock will stabilize. The piano should probably be tuned about
every three months or four times during the first year. Once the piano
has stabilized you should have a regular tuning schedule. In most cases
the piano should be tuned twice a year or more depending on how often
you use the piano and what you expect from your piano. When your piano
is delivered it is finely tuned and regulated. To maintain the piano in
this condition requires that you have it regularly tuned, serviced and
when needed, the action regulated. A knowledgeable technician is a valuable
asset and can help you maintain your piano's fine condition. If you need
a technician or if your present technician needs information, please contact
us.
Caring for the Finish on Your Piano
We
are often asked how to care for a newly refinished piano. We have come
to feel that the best solutions are the simple ones. For a newly refinished
piano with a lacquer finish (either satin or gloss) the biggest problem
is oil or greasy dirt from fingers. And the best way to remove it is with
a little mild soap on a dampened cloth. The soap will remove the oil while
the water, which by the way is the lubricant used to polish a lacquer
finish, will not harm the finish. Buffing afterwards with a dry cloth,
cheesecloth is good, will give good results. Glass cleaner also works
well as it does not leave a residue behind. It can be especially useful
for cleaning the keytops. The idea here is not to add any additional "stuff"
to the finish. Furniture polish of just about any type will leave either
wax or oil on the surface and is not very compatible with a lacquer finish,
as a matter of fact it will probably attract dust and may make the surface
of the finish uneven or splotchy.
An older piano is another matter. Lets say you have been polishing the
case with furniture polish for years and years, actually that's ok, depending
on the age of the finish it may be varnish or shellac, both of which will
respond better to oil or wax. In any case, after all those years of polish
the finish is now saturated, further polishing will maintain the protective
coating that has built up. If you have not used a furniture polish with
silicone, it is best to not to start, the silicones can penetrate the
wood beneath the finish and make applying a new finish difficult, even
when all of the old finish has been stripped off!
Our recommendation for cleaning the inside of the piano is to let your
technician do it. A little light vacuuming around the strings and the
plate with the brush attachment from time to time is OK, but be gentle
and stay away from the dampers. Care of your pianos finish should be easy
and if you keep it simple and consistent, it should look great for a long
time.
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