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tclark

Venting/filtering Fumes

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I found a 350cfm vent hood that I'm gonna set up on the workbench to vent the plastic fumes when pouring. I don't want cut a hole in the wall if possible so I was thinking of running the exhaust through a hepa filter and back into the garage. Any input on how well this would work? I won't pour very often, just tinkering mostly so it doesn't have to be perfect.

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Hepa filters are for dust. You need something that will remove petroleum distillate fumes from the air. That means some kind of charcoal filtering system. If you plan to pour in the garage, do yourself a favor, and do it with the garage door open, and your hood vented all the way to the open door. If it's too cold to do that, bite the bullet and make a hole in the wall to get the fumes outside. It isn't as hard as it seems at first.

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Hepa filters are for dust. You need something that will remove petroleum distillate fumes from the air. That means some kind of charcoal filtering system. If you plan to pour in the garage, do yourself a favor, and do it with the garage door open, and your hood vented all the way to the open door. If it's too cold to do that, bite the bullet and make a hole in the wall to get the fumes outside. It isn't as hard as it seems at first.

Gotcha. I'm not worried about the difficulty at all, just don't own the place so probably shouldn't cut holes in the wall!

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Haha, there once was a time when I probably wouldn't have thought twice about just cutting a hole...

I don't have a window, just a garage door and a regular door. You'd think with both of those open it would venilate itself well but it doesn't, even with a fan going.

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I just bought this, but it sounds like it may not be enough? sounds like we'd need something with charcoal?

Luckily I live in CA so I can keep my garage open almost all year long without worrying about frostbite.

http://solutions.3m.com/wps/portal/3M/en_US/Health/Safety/Products/Catalog/?PC_7_RJH9U5230GE3E02LES9MG812H2_nid=M85H4W68C2beF3RH7CD92Ngl

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I just bought this, but it sounds like it may not be enough? sounds like we'd need something with charcoal?

Luckily I live in CA so I can keep my garage open almost all year long without worrying about frostbite.

http://solutions.3m.com/wps/portal/3M/en_US/Health/Safety/Products/Catalog/?PC_7_RJH9U5230GE3E02LES9MG812H2_nid=M85H4W68C2beF3RH7CD92Ngl

Your eyes will start bothering you from the fumes and smoke.

Frostbite- it's currently 15 degrees @ 6am here in Eastern Pa. :o

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I too would go the insert to keep the hot air out.

But seeing as you do not have a window, you have a similar situation to me, rented accommodation, no modifications allowed.

I removed the original glass door and made a replacement door and fitted a large squirrel cage extractor fan for dealing with floating dust. It also keeps air moving through the house on hot days (every day). Once you build your own door, flexible hose to your extractor above your work station will do the job.

Dave

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So you have a door that can be modified..

Make the opening to be a SPLIT door.. Just like the doors they have for horse barns.. Frame in an area on the top to be the venting and MAKE a door to go in and out of on bottom.. So you have to learn how to DUCK..

You are smart and can figure it out after hitting your bean a couple of times..

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I too would go the insert to keep the hot air out.

But seeing as you do not have a window, you have a similar situation to me, rented accommodation, no modifications allowed.

I removed the original glass door and made a replacement door and fitted a large squirrel cage extractor fan for dealing with floating dust. It also keeps air moving through the house on hot days (every day). Once you build your own door, flexible hose to your extractor above your work station will do the job.

Dave

When I lived in Alabama I had a setup simalar to Daves.I was getting a film on my car because I was venting to the car port,I ended up filtering thrugh a charcol bed for the final vent.This shows that the fumes would be bad for the lungs.Worked great after the charcol modification.I now live in Colorado,and it is minus 8,with a chill factor of like -15.Strong winds.Good stay inside weather.

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The point I would think about is to not just dilute the bad air but to gather up as much of it as possible at the source and get it gone asap..

Build a small booth and capture the nasties and put them on a passage of out..

I made years ago a booth in my bedroom and painted my 1966 Triumph to vent ugly out a door many feet away..

Edited by onlyonmonday
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