creating dust free painting areas?

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hardtailjohn
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re: creating dust free painting areas?

Post by hardtailjohn »

I guess I should've made that a bit more clear, as my booth has an earth ground cable, that I installed before we poured the floor.
Isocyanates definately DO build up in your system, and they finally leave when you die.... not before. I always related it to filling a bucket with water.. you pour and pour and it doesn't overflow, then one day, the bucket's full and all it takes is one more drop of water and it overflows.. that's the way the isocyanates work. They are attracted to moisture, so all your soft tissue areas are the most succeptable to absorbing them (eyes, ears, nose, mouth, armpits, etc). That's the biggest reason to have the RIGHT protective gear, and take the warnings seriously!!!
I've seen some really good fresh air systems made of a small vacuum cleaner and a length of new light garden hose. I picked up 2 full face masks on ebay a while ago, for $25, so it's really not that expensive to make a system if you go about it that way.
Like I said before, the most dangerous time for multi part paint is when you're mixing it, as the catalyst hasn't linked to anything and is still "hunting" somewhere to be.
John H.
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OldBlue67
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re: creating dust free painting areas?

Post by OldBlue67 »

Thanks for all the great advice you guys! Lots of things to remember (yes I'll read the safety stuff! :wink: ) Seems like I'm getting more than I bargened for here lol.

I love your sandblasting booth keith! I'm jelous! I wish I had a garage that wasn't full of junk so I could have one like it. :lol: I might be able to convince my dad to help me with one outside...harder to keep clean, but easier to get fresh air in for painting.

Garden hose and a vaccum cleaner? How does that work? :?
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morganater
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re: creating dust free painting areas?

Post by morganater »

a 2x4 and visquene booth is a good idea. I constructed one in a couple hours for sandblasting
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shrektruck
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re: creating dust free painting areas?

Post by shrektruck »

A garden hose and a vaccuum cleaner!!??? That's funny! Course you could just paint it with a brush and roller. Or buy a keg and three cases of spray cans and have a bunch of friends over, for best results this is best done after dark and then the truck should only be viewed in the dark.
Any overspray on the windows can be scraped of with a razor and the stuff on the tires will eventually flake off.
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hardtailjohn
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re: creating dust free painting areas?

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The gardenhose/vacuum cleaner is essentially all there is to the "factory" fresh air systems. The one that I saw and tried, used the vacuum on "blow" instead of "suck" and adapted it to the hose, which was adapted to the mask... the vacuum sat outside the booth (just like mine) and the hose came in through a fitting in the wall... what you're looking for is high volume and low pressure, so it wasn't a shop-vac or anything like that. I was impressed at how it worked, and he only had a few dollars in it. The main thing is to get the inlet off the ground (vapors and fumes are heavier than air, usually.. as well as dust), and get it in fresh air, so that you're piping the fresh air into the mask.
John H.
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shrektruck
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re: creating dust free painting areas?

Post by shrektruck »

Maybe I should read everything before I reply. I saw vacuum cleaner and garden hose and paint and immediately thought of my practice wife's sister trying to sell me a Rainbow vaccuum cleaner for 2 grand that I could paint my house with. "It's right here in the brochure.", She said.
Yeah, you could use it for air I suppose. What about a good CBR mask? They stop chemical agents I would think that includes paint.
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hardtailjohn
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re: creating dust free painting areas?

Post by hardtailjohn »

I'm not sure, Shrek.... everyone always told me it had to be a pressure fresh air supply... but I sure could be wrong. Most of the stuff you shoot doesn't have the isocyanate catalyst in it, so it's not such a big deal. When I was partners in a paint manufacturing company, our chemist sat me down and gave me his big lecture on all that stuff, so I could tell the customers (I was tech rep for about a year) and that was his story... but that was a few years ago.
I'm all set up with pressure fresh air in my booth, and only mix in the booth as well, and have a waterfall filter on the output, so I just stick with what works. :D
John H.
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