help me with soundboard repair? CA of course!

Paul Chick (Earthlink) tune4 at earthlink.net
Sun Aug 5 20:40:53 MDT 2007


Subject: Re: help me with soundboard repair? CA of course!


> That's easy.  I could do that. 
> The crack is visible.  Thin viscosity CA glue would run right through 
> the separation. 
>  
> Shouldn't I try to move the soundboard back into the rib first?  With a 
> clamp or something?  Then apply the CA? 
>  
> Tom

One of the admittedly few things I was taught that I would 
still do until something better shows up, is this repair. A 
soundboard steel slid between the rib and panel acts as a stop 
for the drill bit to keep it from going into the panel when 
you drill through the rib adjacent to the crack. Squeeze 
Titebond into the hole until you see it ooze out between rib 
and panel. Insert 1.25 sheetrock screw, and drive it into the 
panel, tightening until glue squeezes out around the rib/panel 
joint. Mop up squeeze out and walk. I much prefer mechanical 
fasteners and reestablishing joint alignment and contact with 
a wood glue to hosing down an area with CA and hoping for the 
best. Maybe it's just a lingering conviction that it ain't 
fixed until you've got some on your finger and clamped it 
together, but that's how I see it.
Ron N

You've been looking over my shoulder. That's the standard repair here for
loose ribs to soundboard for many years.  If cosmetics are important, back
out the screws when the glue is dry and fill the holes with your favorite
media. A couple of coats of wood filler will get the holes level, then color
and draw the grain in to match followed by light coats of shellac.  Each
step takes only minutes.

Paul C



More information about the Pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC