Durham's Rock Hard Soundboard Putty

[Erwinspiano@AOL.COM]

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In a message dated 6/27/2002 11:42:54 AM Pacific Standard Time, 
macman@pathfinder.dnsalias.com writes:


> Subj:Durham's Rock Hard Soundboard Putty 
> Date:6/27/2002 11:42:54 AM Pacific Standard Time
> From:<A HREF="mailto:macman@pathfinder.dnsalias.com">macman@pathfinder.dnsalias.com</A>
> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> Sent from the Internet 
> 
>     Tyler


    Durhams rock hard putty is a wonderful dent and gap filler for smoothing 
out small imperfections  on the inner rim glue joint before gluing in a new 
board etc. It sands well but it has no structural strength or glue strength 
and can be quite brittle.
  I can hear those cut corners from here
   >>>>>>>>>>>Dale Erwin>>>>>>>>>>>>>.

> 
> I was looking at a 5'-ish 1928 Chickering grand, rebuilt, the other 
> day. New hammers, strings, keytops refinished, et cetera and so on. 
> Plays very nicely. I like it.
> 
> The bridges have very small repaired cracks, seemingly well-done, and 
> so that settles whether or not it is a new soundboard... 
> 
> Looking at the soundboard from the underside, it appears that the 
> rebuilder decided it was in good enough condition to not even require 
> repair. There are a few (around 4) narrow cracks here and there, no 
> sign of any shimming or anything similar.
> 
> Returning to the top of the piano, it seems that the cracks have been 
> filled in from the top with some sort of filler putty... What is 
> this? I've never heard recommendation for any procedure like this 
> before. Wouldn't putting putty in the cracks just encourage them to 
> get bigger but not smaller, or does the putty somehow "glue" the 
> cracked pieces together?
> 
> The putty in the soundboard seems to smack of corners cut, which goes 
> against the rest of the piano's good workmanship.
> 
> Anybody know anything about doing this?
> 
> -Tyler Smith


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