No, I wasn't kidding. I've used it to peel paint off wood. It works great.
You only have dust then and no fumes. Should be appealing to the Thumper.
I like 150 Garnet mesh, purchased from Abrasive Products, (317) 485-7701,
about $50 for 100 lbs. Just use it in a cheap siphon feed sandblaster. It
leaves a surface a little rougher than a sanding with 150 sandpaper.
Dean
Dean May cell 812.239.3359
PianoRebuilders.com 812.235.5272
Terre Haute IN 47802
_____
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Michael Magness
Sent: Friday, August 24, 2007 11:37 PM
To: Pianotech List
Subject: Re: How much tone is lost by PAINTING a soundboard with gray
primer????( YUCK! !!)
I'm not sure if you were kidding ot not Dean I did see an article in a
woodworking mag on blasting finish off of wood, not with sand but using
baking soda and a lower pressure.
--
Michael Magness
On 8/24/07, Dean May <deanmay at pianorebuilders.com> wrote:
Why not try sandblasting?
Dean
Dean May cell 812.239.3359
PianoRebuilders.com 812.235.5272
Terre Haute IN 47802
-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org
<mailto:pianotech-bounces at ptg.org> ] On Behalf
Of gordon stelter
Sent: Friday, August 24, 2007 9:47 PM
To: Pianotech List
Subject: How much tone is lost by PAINTING a soundboard with gray primer
????( YUCK! !!)
Quite a lot, I'd suspect. I just picked up this
Steinway upright, and found rather thick, gray paint
all over thre back posts and soundboard.
Gray sandable primer is, I believe rather soft
( = sound absorbing. ) If I have time, I'll get a
bunch of carbon filters for my gas-mask, and try to
blast it off with lacquer thinner in my spray gun,
with a bottle brush to get behind the posts.
Peace,
G
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