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<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>I think Dale is still counting sheep, so I'll throw my 2 cents in.
I have also used cold hide glue (the other glue I use is Titebond Extend) with
very good results.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>Dale,
in case I go for cold hide glue (reversible and very hard, if I got that right),
</EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>Very had and reversible, just like hot hide glue. About the only
difference between the two is that cold hide glue has a much longer working time
- not good for felt work if you don't want the glue soaking into the felt - but
great for soundboard work.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>what
procedure do you recommend ?</EM> </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>It's real tricky to work with - follow this procedure
carefully: Apply glue, clamp.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>Must
the wood be warm too ?</EM> <SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Should
I warm the glue too ? Is the room temperature critical too ?
</SPAN></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>No, no and no.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>It
seems that I can get the Titebond liquid hide glue here. On their site
they say no need to warm anything, </EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>That is exactly what I have done with complete
success.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>but
the articles of Nick Gravagne recommend to do so.<o:p></o:p></EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p><FONT
color=#000000 size=3>I'm not familiar with his article. I really don't know why
one would want to heat it. Nick is a pretty smart guy and perhaps he has found
some advantage. I would think it would make it set up a bit faster warm - not
sure though.</FONT></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p><FONT
color=#000000 size=3></FONT></o:p></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>I’m
a bit concerned with the board warming : I put it in a small room at 35°Celsius
and reach 20 % relative humidity. </EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>WOW! Those hot box conditions will take your wood down to about
4.25% moisture content (MC). That's pretty darn dry. I presume the panel is
ribbed? Can I assume this is a purely compression crowned
board?</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>After
one day and one night, the board is completely flat, and the “dead” corner
(beyond the dumb bar) begins to show reverse crown. Does this sound normal
? </EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>If the board crown is reversing, I should think that you have
achieved a MC lower than that when the panel was ribbed.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>Is
there no risk to overdo the board warming ? </EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>Oh, I suppose you could. I guess you could crack it at some point,
just like you can when in the piano. Probably have to dry it pretty darn low to
do that though. If you're going to be drying the board prior to installation and
don't know what the MC was when the panel was ribbed, I'd just dry it down to
the point where the board is fairly flat - that should be very close to the MC
at which the board was ribbed.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><EM>I
initially intended to leave it dry for 3 days, and I can reach 17% relative
humidity if I want, but I’m a bit afraid to do more wrong than
good.</EM></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>See above. Tell us more about the design and construction of this
soundboard. Did you build it? Who built it? MC at ribbing? Radius on ribs?
Radius on clamping cauls? Etc., etc.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>Hope some of this helps.</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"></SPAN> </P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>Terry Farrell</FONT></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><FONT
color=#000000>Farrell Piano</FONT></SPAN></P></FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=collin.s@skynet.be href="mailto:collin.s@skynet.be">Stéphane
Collin</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">'Pianotech List'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, January 16, 2008 10:48
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: Soundboard installation with
hide glue</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Thanks
to all for comments so far.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Dale,
in case I go for cold hide glue (reversible and very hard, if I got that
right), what procedure do you recommend ? Must the wood be warm too
? Should I warm the glue too ? Is the room temperature critical
too ? It seems that I can get the Titebond liquid hide glue here.
On their site they say no need to warm anything, but the articles of Nick
Gravagne recommend to do so.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">I’m
a bit concerned with the board warming : I put it in a small room at
35°Celsius and reach 20 % relative humidity. After one day and one
night, the board is completely flat, and the “dead” corner (beyond the dumb
bar) begins to show reverse crown. Does this sound normal ? Is
there no risk to overdo the board warming ? I initially intended to
leave it dry for 3 days, and I can reach 17% relative humidity if I want, but
I’m a bit afraid to do more wrong than good.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Thanks
again for taking time for new board newbies.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Best
regards.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Stéphane
Collin.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P></DIV></BLOCKQUOTE></BODY></HTML>