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Spray Booth Venting Solids

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  • Member since
    June 2022
Spray Booth Venting Solids
Posted by Dace21uk on Wednesday, June 29, 2022 3:37 PM

Hi All,

I'm new to spraying and booths. I have got myself a new spray booth with a vent that I'm going to place out the window. The spray booth has a filter but I'm worried about uncaptured solids getting out the vent and on to my nice white uPVC windows or on the wall! 

Has anybody used anything to put over the end of the venting tube that will 1) capture any uncaptured paint and 2) won't negatively affect the airflo/fumes? I could experiment but don't want to gas myself/end up with paint on the outside of my house and reinvent the wheel if someone already has a good solution. 

Thanks

Andrew

  • Member since
    November 2018
Posted by oldermodelguy on Wednesday, June 29, 2022 6:33 PM

The whole idea of the filter that came with your booth is to capture the solids you're concerned about. Some/most are sufficient as is. Some modelers have doubled that filtering layer up if they find the one not capturing enough.. You should have basically just fumes going out the vent tube.

  • Member since
    October 2019
  • From: New Braunfels, Texas
Posted by Tanker-Builder on Thursday, June 30, 2022 7:56 AM

Hi Andrew!

      Listen, did you know that you can buy at LOWES or HOME DEPOT filters especially for your use. They will be labeled for "Extremely Dust Prone areas". They work fine and yes, they are Furnace/Air Conditioner filters. They are designed to perform optimally in dust prone areas! You really don't need anything. If you feel you do, just remember this. The more you put in the airflow out the more suction you will need to pull the product out and away from the window. You won't paint your window Frames either way.

  • Member since
    March 2022
  • From: Twin cities, MN
Posted by missileman2000 on Thursday, June 30, 2022 10:24 AM

oldermodelguy

The whole idea of the filter that came with your booth is to capture the solids you're concerned about. Some/most are sufficient as is. Some modelers have doubled that filtering layer up if they find the one not capturing enough.. You should have basically just fumes going out the vent tube.

 

I agree- something must be wrong with the filter- is it properly seated in the booth?  Even if it is clogged and needing replacement, you should merely get a reduction in flow, not large particles.  There is a leak somewhere.

 

fox
  • Member since
    January 2007
  • From: Narvon, Pa.
Posted by fox on Sunday, July 3, 2022 4:06 PM

I agree with all of the above posts. If you have a "good" paintbooth with a "good" filter, you should not have any particulate matter getting through. I use a homebuilt booth that has been used for many years and I have never had any solids getting through and marking up the window frames or house siding.

The booth is a recycled kitchen cabinet with a $2 furnace filter. My wife made a "sheer" curtain for the booth that I close when finished spraying but leave the exhaust fan running for a while to aide in drying the paint. This keeps the dust off the model. Every once in a while, she takes the sheer off and puts it in the wash to remove all the dust. If I keep a close watch on the sheer, I can tell whether the filter is doing its job or not. If it is getting clogged up, the draw from the fan is reduced and I can see the reduced inward curve of the curtain. Time to change the filter and the curve returns to the curtain.

Jim Captain

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  • Member since
    March 2015
  • From: Close to Chicago
Posted by JohnnyK on Monday, July 4, 2022 1:57 PM

I agree with Jim above. A furnace filter should trap perticulate matter. I have used a furnace filter for years without a problem.

Your comments and questions are always welcome.

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