Varnishing Soundboards

[Murray Seminuk]

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Hi Terry
Terry I have put many coats of varnish on violins and soundboards.In my =
experience I have found that the greatest source of contamination on a =
varnished surface comes from the product you are putting on or mostly =
from the brush you are useing.Having a method of cleaning and  keeping =
clean your brushes is extemely important.It is just like any other job =
in piano work, it takes care ,knowledge and experience.


Regards
Murray








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=20
Regar
  ----- Original Message -----=20
  From: Farrell=20
  To: pianotech@ptg.org=20
  Sent: Friday, January 11, 2002 5:37 AM
  Subject: Re: Varnishing Soundboards


  Regarding dust on a freshly varnished soundboard. Maybe one 5-foot by =
however-long-a-piano-you-commonly-work-on sheet of whatever - something =
light - maybe even plastic in a simple frame - to lay across the top of =
the piano immediately after applying varnish. The dust concern is why I =
have not used varnish on a board, but I think maybe my next one will get =
varnish.

  Terry Farrell =20
    ----- Original Message -----=20
    From: David Love=20
    To: pianotech@ptg.org=20
    Sent: Thursday, January 10, 2002 9:05 PM
    Subject: Re: Varnishing Soundboards


    I've always used spar varnish.  I like how it looks.  In this case I =
modified the technique given in the article a bit.  I sanded first to =
220.  Then a diluted the varnish 1:3 with turpentine, saturated the =
wood, sanded it in with 320 and wiped off the excess.  Then I brushed on =
a heavier coat and let it dry as normal.  Afterwards, I sanded in one =
more coat using extra fine 3M synthetic steel wool and wiped off the =
excess again.  I just finished this coat and though it leaves a really =
nice feeling surface, it is not the glossy finish that one would have if =
you brushed the final coat.  It is somewhere in between satin and gloss. =
 Rather nice actually.  But the jury is still out.  I may brush on one =
final coat if I decide I want the glossy finish.  There is something =
about a glossy varnish finish on an old board that has a real richness =
that I like.  I just hate trying to work so dust free in my small =
production shop.

    David Love

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