<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=iso-8859-1" = http-equiv=Content-Type> <META content="MSHTML 5.00.2919.6307" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hazen,</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>If the piano is originally black, it = likely has a tight grain veneer that doesn't need pore filler.  A high solids = black primer undercoat should do the trick.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Converting mahogany to black is a = little trickier.  Filling twice is necessary.   In the PianoLac = system, we fill once, sand, spray Primer/Undercoat, sand lightly, fill again, = then spray again.  This is a lot easier than it sounds, because the filler = applies with a spatula in minutes, dries in 30 minutes, and sands like wood.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Be careful if you're shooting = lacquer.  Too much undercoat or sealer can cause the topcoat to crack.  These = coatings have no plasticizer and will draw the plasticizer out of the topcoat if = too much is applied.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Avoid using auto body type spray on = fillers like Feather Fill.   They build quick, but can ruin a spray gun if = not cleaned immediately, and can crack in a freeze thaw cycle (winter = move).  They're also incredibly toxic and flammable.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>There is no way PianoLac filler and = undercoat can crack or delaminate because it isn't plasticizer dependent.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Arthur Grudko</FONT></DIV> <DIV><FONT face=Arial size=2>PianoLac 845 855 0996</FONT></DIV> <BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: = 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A href="mailto:HazenBannister@cs.com" title=HazenBannister@cs.com>HazenBannister@cs.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = href="mailto:pianotech@ptg.org" title=pianotech@ptg.org>pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, April 18, 2002 = 7:02 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Refinishing</DIV> <DIV><BR></DIV><FONT face=arial,helvetica><FONT size=2>Hi list, = <BR> I am spraying a small grand black,is there any kind of spray primer I can = use,   instead of having to rub in a grain filler? <BR>Thanks, = <BR>Hazen Bannister</FONT> </FONT></BLOCKQUOTE></BODY></HTML>