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The best part about using dry ice blasting (against sandblasting or sodablasting) is there is barely any clean up.
Sandblasting can warp the metal if not done correctly and you have all of prep work before hand.
Soda blasting is better and much less pre work.. I have even seen it done with the window and trim still on. Clean up is a *****
The believe there is more cost with the dry ice machines but I don;t know. The did the roof on the Philadelphia Art museum with that process.. very interesting
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