[pianotech] Evil glue

[Noah Frere]

Noted,

On Mon, Mar 19, 2012 at 8:15 AM, Ron Nossaman <rnossaman at cox.net> wrote:

>
> I'm doing a belly job on a piano that was sort of rebuilt once before. The
> abused agraffes I posted earlier came from this piano too, as did the
> mystery plate finish that proved to be way more problematic than it should
> have been.
>
> Today's rant is on glue choice - again. I continually find some random
> glue from Hell that I wouldn't even have in the shop arbitrarily used for
> piano work. The issue this time was getting felt off the bottom of the
> damper guide rail. This lowest of all technical requirement refelting
> resisted all Q&D efforts at scraping and chiseling. I didn't try heat,
> because by then I was already miffed at wasting unnecessary time on
> something this dumb already, so I took it back to the belt sander I'd used
> to take the mystery stain and "patina" off the rest of the guide rails.
> Pictured, is the result. A perfectly good and usable belt rendered into
> trash, and it still took considerable time to melt the stuff off with the
> immediately ruined belt. People, please think about your choice of glues
> for piano work. There are choices available that will work at least as well
> as the Gonzo Craft Glue and Termite Repellent you for some untelligible
> reason actually purchased and used in pianos, that are more rationally
> dealt with by the next guy. If you're making permanent changes, by all
> means epoxy the sucker in, but refelting the underside of the damper guide
> rails? Jeez, Cosmo, some signs of intelligent life please.
>
> I haven't yet gotten to stripping off the dampers, but I expect to find
> the same Name on Request Acky Pucky used there, and can hardly wait.
>
> Now, thanks in advance (and hopeful avoidance), but I already know about
> soaking, boiling, heat application with a heat gun or iron (hot meteorite,
> etc), surfactants like alcohol, detergent, and the ever popular wallpaper
> remover, so I'm not looking for a list of recommendations for dealing with
> something you can't see and are guessing about. What I'm hoping against all
> hope for is that at least someone somewhere out there will read this and
> miraculously rethink his choice of glues for stuff like this. Hot hide is,
> naturally, the first choice. Second would be something else that dries hard
> so can be easily scraped off, like the Titebond molding and trim glue,
> Assembly 65, or Bolduc. PVCE does NOT qualify. Give the next guy some
> consideration, since he probably won't know who you are or where you live
> and can't hunt you down and feed you the ruined sanding belt. Since he
> likely can't extract vengeance on you, leave him pleasantly surprised. It's
> only reasonable, honorable, and fair.
>
> Ron N
>
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