<DIV><B><I>Terry <terry@farrellpiano.com></I></B> wrote:
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<DIV><FONT face=Arial size=2>Hi Mark,</FONT></DIV>
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<DIV><FONT face=Arial size=2>If you stain before filling grain, when sanding the dried grain filler, how do you avoid sanding through the shellac and/or stain? I seem to be grain-fill/stain challanged! Are you using water based grain filler?</FONT></DIV>
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<DIV><STRONG>Hi Terry - </STRONG></DIV>
<DIV><STRONG>I have used both water-based filler and solvent-based filler, and either way, sanding the stuff without sanding thru the color IS a challenge that requires constant vigilance while sanding. I wish I had a magic word or two to pass on to you, but I don't. As I mentioned in an earlier post, sanding the filler in the exact same manner that you sanded the bare wood is a necessary starting point.</STRONG></DIV>
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<DIV><FONT face=Arial size=2>When you don't use grain filler, how many coats of top-coat do you find is required to get a level finish - or do you live with the grain depressions in this approach?</FONT></DIV>
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<DIV><STRONG>Naturally all woods are not identical, but generally I would say that mahogany sanded to 220, dyed and sealed with at least a 2lb cut of shellac, will require app. 6 total applied coats of water-based material to fill the grain. I just sprayed one last week where I stopped at 5 total coats of water-based, and there is the <EM>ever-so-slight</EM> amount of grain showing, a look I have warmed to of late.</STRONG></DIV>
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<DIV><STRONG>Mark</STRONG></DIV>
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<DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV>
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<DIV><B><I>Greg Newell <<A href="mailto:gnewell@ameritech.net">gnewell@ameritech.net</A>></I></B> wrote:
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<P>Mark,<BR>So during the finishing process is when you re-add the missing <BR>filler and stain, right?<BR><BR>Greg Newell</P>
<P><STRONG>Hi Greg -</STRONG></P>
<P><STRONG>Yes. First I would use dyes to get the color I want, then seal them with a wash coat of shellac. If I AM gonna use filler that would be next, although oftentimes I don't use it. Then, if necessary, a few very thin toning coats (tinted shellac, usually) on miscellaneous pieces to even up the color ( and, BTW, this does NOT have to make the finish look muddy, as you earlier suggested!), then on with the coats of finish.</STRONG></P>
<P><STRONG>Mark Potter</STRONG><BR><BR><BR>At 06:06 AM 2/18/2005, you wrote:<BR>>Greg Newell <GNEWELL@AMERITECH.NET>wrote:<BR>><BR>>When those of you who do, refinish a piano do you remove the filler during<BR>>the stripping process?<BR>><BR>>Hi Greg - It is not a "goal", per se, for me. Whatever volunteers to <BR>>come out during the stripping process, as well as the rinsing and <BR>>scrubbing with maroon scotchbrite or #1 steel wool, is the extent of my <BR>>endeavors in this regard. I then sand with 150 - 220 and start the <BR>>finishing process.<BR>><BR>>No brass brushes for me...<BR>><BR>>Mark Potter<BR><BR>Greg Newell<BR>Greg's piano Forté<BR>mailto:gnewell@ameritech.net <BR><BR><BR>_______________________________________________<BR>pianotech list info: https://www.moypiano.com/resources/#archives<BR></P></BLOCKQUOTE></DIV></BLOCKQUOTE></BLOCKQUOTE></DIV>