Piano Finishes

[Robin Blankenship]

Ditto. Filling the grain (or, wood pores as I was informed) gives a decently
flat surface on which to start building the finish. Do the heavy lifting
first. Then the sanding is more for refinement. Seems to work.
Robin

----- Original Message -----
From: David Ilvedson, RPT <ilvey@jps.net>
To: <pianotech@ptg.org>
Sent: Monday, November 20, 2000 10:32 PM
Subject: Re: Piano Finishes


> We filled the grain and still sanded between coats.
>
> David I.
>
>
> -----Original Message-----
> From: Farrell <mfarrel2@tampabay.rr.com>
> To: pianotech@ptg.org <pianotech@ptg.org>
> Date: Monday, November 20, 2000 6:06 PM
> Subject: Re: Piano Finishes
>
>
> >There are two basic ways to fill grain (although grain-filling is not
> >desired in some cases). One is like you describe - spray on coat after
coat
> >while sanding between coats to fill grain. The other is to use some type
of
> >grain filler - often a paste-type filler - to first fill the grain before
> >applying topcoat. Less topcoats are then needed to achieve a completely
> >grain-filled finish.
> >
> >Terry Farrell
> >Piano Tuning & Service
> >Tampa, Florida
> >mfarrel2@tampabay.rr.com
> >
> >----- Original Message -----
> >From: "David Ilvedson, RPT" <ilvey@jps.net>
> >To: <pianotech@ptg.org>
> >Sent: Monday, November 20, 2000 10:57 AM
> >Subject: Re: Piano Finishes
> >
> >
> >> I haven't done any refinishing in a long time, but back when I did we
> >always
> >> sanded between coats.  The idea is to fill the grain, right?  What am I
> >> forgetting?
> >> David I>
> >> -----Original Message-----
> >> From: Farrell <mfarrel2@tampabay.rr.com>
> >> To: pianotech@ptg.org <pianotech@ptg.org>
> >> Date: Monday, November 20, 2000 4:53 AM
> >> Subject: Re: Piano Finishes
> >>
> >>
> >> >Most oil-based finishes - polyurethanes, epoxies, enamels, etc. and
> >> >water-based finishes require sanding between coats to provide a bond
> >> between
> >> >finish coats. Nitrocellulose laquer (most common type used for decades
)
> >has
> >> >a unique property of 100% burn-in. Each subsequent coat will melt
into,
> >or
> >> >partially dissolve, the previous coat, thus providing a great
> >coat-to-coat
> >> >bond, and eliminating the need to sand between coats for adhesion
> >purposes.
> >> >This feature can perhaps save about 4,000 hours (maybe more for me) of
> >> >sanding on a multi-coat piano refinishing!
> >> >
> >> >Terry Farrell
> >> >Piano Tuning & Service
> >> >Tampa, Florida
> >> >mfarrel2@tampabay.rr.com
> >> >
> >> >----- Original Message -----
> >> >From: "Clyde Hollinger" <cedel@supernet.com>
> >> >To: <pianotech@ptg.org>
> >> >Sent: Monday, November 20, 2000 6:30 AM
> >> >Subject: Re: Piano Finishes
> >> >
> >> >
> >> >> Friends,
> >> >>
> >> >> I am not into case refinishing, and I would like to know.  What is
> >meant
> >> >by
> >> >> burn-in?
> >> >>
> >> >> Regards,
> >> >> Clyde Hollinger, RPT
> >> >> Lititz, PA, USA
> >> >>
> >> >>
> >> >> > And the 100% burn-in quality
> >> >> > is a real plus, and is not time sensitive.  In other words, you do
> >not
> >> >> > have to recoat within a certain window to keep the burn-in
> effective.
> >> >>
> >> >>
> >> >>
> >> >
> >> >
> >>
> >>
> >
> >
>