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#154442 - 01/24/03 11:25 PM Scratch removal
Tony C Offline
Full Member

Registered: 06/09/02
Posts: 95
My cat likes to sleep (and play) on my piano, I recently discovered a few scratchs, they are very light deep but rather noticable on the stain finishing. Can anybody recommand some scratch removal products or methods.

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#154443 - 01/24/03 11:58 PM Re: Scratch removal
Larry Offline
9000 Post Club Member

Registered: 05/25/01
Posts: 9217
Loc: Deep in Cherokee Country
What kind of finish is it? If you don't know, just tell the brand and model of the piano.
_________________________
Life isn't measured by the breaths you take. Life is measured by the things that left you breathless

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#154444 - 01/25/03 10:08 AM Re: Scratch removal
SamLewisPiano.com Offline
500 Post Club Member

Registered: 08/19/01
Posts: 635
Loc: WHITE BLUFF (Nashville area) T...
By "stain Finish", did you mean to say "satin finish"? You can use automotive compounds on either lacquer or polyester finishes. Because I don't know what type of finish you have, or the condition of it, I would advise you to try first in a hidden area. There are many choices, but here is what I use: Meguiar's #2 for heavy scratches. #9 for lighter scratches, then the Cleaner/Wax to finish. Always go in order, in other words, if you start with #2, follow with #9, then Cleaner/Wax. If you have a satin finish piano, you may not have to use the finer compounds at all; #2 might be all you need. Go slow, be patient...........Sam
_________________________
Since 1975; Full-time piano tuner/tech in Nashville;
Lacquer and polyester specialist.

www.SamLewisPiano.com

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#154445 - 01/25/03 12:22 PM Re: Scratch removal
Tony C Offline
Full Member

Registered: 06/09/02
Posts: 95
 Quote:
Originally posted by Larry:
What kind of finish is it? If you don't know, just tell the brand and model of the piano.[/b]
It's a steinway L mahogany.

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#154446 - 01/25/03 04:02 PM Re: Scratch removal
Jim Volk Offline
500 Post Club Member

Registered: 01/12/03
Posts: 916
Loc: Jacksonville, Florida
Tony, here's what works for us:

We use wet-sanding cloth from www.micro-surface.com , which comes in grits from 1500 up to 12,000. You can achieve varying degrees of satin or gloss depending how high a number you finish with.

This stuff comes in sheets or rolls, and you simply keep it wet with a plant sprayer while working. Wrap a piece of it around a small sponge or other soft material if you're removing fine scratches, and rub perpendicular to the scratch to begin with. I'd recommend starting with a piece of 3200 (using very little pressure when rubbing) and finishing with 6000, or even 4000, depending on how it matches the satin finish on your Steinway.

Alternate direction of sanding at right angles to the previous application with each successively higher grit.

I don't know what their per-sheet price is, so this may or may not be cheaper than Sam Lewis' method. ;\)

-Jimbo
_________________________
Jim Volk
PIANOVATION

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#154447 - 08/23/04 09:10 AM Re: Scratch removal
TammyT Offline
Full Member

Registered: 08/05/04
Posts: 23
Loc: North York , Canada
 Quote:
Originally posted by SamLewisPiano.com:
There are many choices, but here is what I use: Meguiar's #2 for heavy scratches. #9 for lighter scratches, then the Cleaner/Wax to finish. Always go in order, in other words, if you start with #2, follow with #9, then Cleaner/Wax. [/b]
I'm shopping for accessories for my new piano and probably getting some Meguiar products just in case (all my sisters and friends have kids under 10 :-)).

I read the article "Finish Care" at http://www.ptg.org/ptgtb5.htm and they recommend Meguiar's Mirror Glaze #17 Plastic Cleaner and Meguiar's s Mirror Glaze #9 Swirl Remover for removing hair line scratches. What is the difference between these two products? Which one would you recommend? I wouldn't want to get several products that would do (almost) the same thing.

Sam, when you say "Cleaner/Wax", which brand do you use? Meguiar has #10 Clear Plastic Polish that is supposed to follow #17 Plastic Cleaner. Can it be used as "Cleaner/Wax"? #17 and #10 are often sold together.

Thank you for your advice!!!

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#154448 - 08/23/04 09:25 AM Re: Scratch removal
Steve Ramirez Offline
1000 Post Club Member

Registered: 08/08/01
Posts: 1094
Loc: El Cajon, California
Please don't anybody take this the wrong way, but if you aren't really sure about how to repair scratches on your particular finish you should probably hire a professional or just leave it the heck alone. Working with finishes involves a learning curve just like anything else. What's the point of developing a skill at the expense of your piano's finish?

OK I'll shut up now.

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#154449 - 08/23/04 09:45 AM Re: Scratch removal
TammyT Offline
Full Member

Registered: 08/05/04
Posts: 23
Loc: North York , Canada
 Quote:
Originally posted by Steve Ramirez:
Please don't anybody take this the wrong way, but if you aren't really sure about how to repair scratches on your particular finish you should probably hire a professional or just leave it the heck alone. Working with finishes involves a learning curve just like anything else. What's the point of developing a skill at the expense of your piano's finish?

[/b]
I agree. I would never think of using sand paper or anything that complex. But I saw a piano salesman make fine scratches disappear before my eyes. He applied some liquid on a piece of cotton cloth and gently polished over the scratches. I can do that. I'd just need to find the right product.

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#154450 - 08/23/04 10:28 AM Re: Scratch removal
Steve Ramirez Offline
1000 Post Club Member

Registered: 08/08/01
Posts: 1094
Loc: El Cajon, California
I think Meguiars has a website with a tech support link. Send them an e-mail and they'll tell you which product to use.

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