[pianotech] Polyester problems

[Greg Newell]

David,

                You don’t say what piano you’re working on but 
 Ruth
Phillips has a specially formulated black lacquer that matches the poly used
in Asian pianos. I’ve used this with good results when the poly was too thin
and gave me problems such as you describe.  

 

Greg Newell

Greg's Piano Forté

www.gregspianoforte.com

216-226-3791 (office)

216-470-8634 (mobile)

 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of David Lawson
Sent: Saturday, June 26, 2010 10:40 PM
To: pianotech at ptg.org
Subject: [pianotech] Polyester problems

 

I am looking for a magic wand that will fix a problem I have with a
polyester repair.

After creating the dam at the damaged part of a fall on an older Kawai
upright, I did the usual sanding down through all the guages to the final
2000 grit, to find I had gone through the finish to the wood. This is the
first time I have had such a thin coating of polyester to contend with. I
have thought about digging out the offending area again,(about 1 inch
across) and filling it as before. however, this will no doubt give me a
bigger problem than I now have. I have tried spraying the area with gloss
paint, however it is too difficult to match the finishes. Does anyone have a
solution other than a full re-spray of the whole fall?

Thank you.

David Lawson OZ

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