Re: [T3] Sandblasting, baking soda

[Andrew Davidson <vw1600tl1971@yahoo.co.uk>]

I had a 600sq metre concrete warehouse blasted this
way a few years ago using baking soda. It was being
converted to apartments and we wanted to remove the
paint without damaging the concrete surface which had
a good texture from the original timber forms. The
baking soda was really good because it didn't
exfoliate the concrete surface. It is very delicate,
but it makes an incredible mess. You must do it in a
sealed area or you will have baking soda settling on
everything for weeks because it is so light. I imagine
you would be able to buy the powder if you look up
blasting services or supplies in the yellow pages. The
finer the powder, the more delicate a job you can do,
but of course finer powder takes longer. I would
definitely recommend trying it instead of sandblasting.

=====
Andrew Davidson
Melbourne Australia
http://www.geocities.com/vw1600tl1971
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