Sandblast in garage - Pontiac GTO Forum
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post #1 of 15 (permalink) Old 02-08-2012, 09:15 PM Thread Starter
 
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Sandblast in garage

Thinking about sealing the car up around the bottom with thick plastic and donning a fresh air breathing apparatus, renting or buying a compressor that will handle the CFM and sandblasting the undercarriage. I am sick of the wire wheel and it is taking forever!

What do you guys think?
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post #2 of 15 (permalink) Old 02-08-2012, 10:10 PM
 
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Garage
There is a place near Pcola that media blasts car bodies for $500ish, so the bottom only should be cheaper. I can get the name. By the time you buy everything it will cost you just as much. I also have a buddy in Crestview that does restoration paint jobs reasonable, but will do whatever and to what level you want at $40 an hour shop rate! Really nice guy and I am there alot, and do the mechanical work when I have time. He painted the Jury in my garage.

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post #3 of 15 (permalink) Old 02-09-2012, 05:23 AM
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Garage
I think if you sandblast in your garage you will have sand everywhere in your house and garage.....forever .
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post #4 of 15 (permalink) Old 02-09-2012, 07:35 AM
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It does get everywhere. Even if you take it out and have it done, there will be sand in all the various nooks and crannies on the body - also "forever', regardless of how carefully you try to blow it out afterwards.

Murphy's law says that the last bit of it will finally come out and distribute itself all over the surface - just as you're laying down the last coat of clear on a fresh and otherwise perfect paint job.

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post #5 of 15 (permalink) Old 02-09-2012, 08:11 AM
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It makes a mess like everyone says. I blasted everything last year out in my driveway. I washed the driveway with a power washer after I blew it down the drive with air. I had black beauty in the house from shoes. It took all summer before it finally vanished. IMO make a booth outside and do it in a confined space to reduce clean-up. You do not need that much air pressure, my blaster works on 120psi. Just a normal compressor with 150 psi should do the trick.

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post #6 of 15 (permalink) Old 02-09-2012, 09:05 AM
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Don't do it. Trust me. Just don't.....please!
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post #7 of 15 (permalink) Old 02-09-2012, 01:33 PM
 
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All of the above.. You will end up with sand in your air vents, frames holes, key locks, will you see what everyone is saying!!!!!!!!!!!!!!!
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post #8 of 15 (permalink) Old 02-09-2012, 04:21 PM Thread Starter
 
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Yeah, decided against it. I am just looking for any alternative to all the scraping and wire wheel work... lol
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post #9 of 15 (permalink) Old 02-09-2012, 04:26 PM
 
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the only time you should sandblast is if this a total frame off and all components are removed- and by all I mean you have the car shell only, and then only media blast it. sand is ok for the frame and rear end but I wouldn't do the car body for risk of panel damage.
I used a 4" grinder, with grinding discs 36,60 and 80 grit, a stainless wire cup attachment scrapers beer and a lot of foul language to strip/clean the underbody, took me about 2 months (8-10 hours per week) god it was awful-
sometimes its better to hire a professional

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post #10 of 15 (permalink) Old 02-09-2012, 05:56 PM
 
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Garage
with everyone above!!!!!! Send it out or continue to scrape/wheel by hand!!!



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