Thoughts on these?

Looks interesting, in body shop dust conditions I think adding a cheap pre pre-filter would help the main filters last longer, as they're $11 + each
 
Reposting this. I am interested in what you guys think of this unit, especially, for us garage guys. Original use was for mold remediation.
 
It would be beneficial. I don't see a down side to using one or two for the home hobbyist other than the cost, and filter replacements.

Thanks for sharing.
 
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MJM said:
It would be beneficial. I don't see a down side to using one or two for the home hobbyist other than the cost, and filter replacements.

Thanks for sharing.
Click to expand...
If it actually reduces the floating particles and will reduce color sanding then it'll payoff fast. I was looking at a really big unit that was 13k. I wonder how they would work on over spray and could I forgo the exhaust fan.
 
I'm going to make one for about $100. For a 2500sqf house it will do one exchange in 20 minutes. So, it should do 3 in my shop.
 
I worked at a Shop that had very high end scrubbers. At that time they were the best you could get. What we found was that the recommendation of number and placement by the company who made them didn't work well in our Shop and to be effective we needed 2X as many as we had and where they were placed had a huge influence on things. Up high they were essentially useless and effective placement (6-8ft off the ground) got in the way of work. Plus even not being effective we were always cleaning the prefilters. Owner got rid of them less than a year in.

Making your own for low $ might be worthwhile, I don't feel the commercial units are worthwhile unless you need an ultraclean environment. A bodyshop will never be that.

Remember Barry used to talk about getting some of his cleanest jobs painting right out in the open shop floor. Blow an area out, turn on your exhaust fans and let any dust settle and you can paint very clean. 90% or more of the dust is coming from the car and how the car is masked.
 
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Chris_Hamilton said:
I worked at a Shop that had very high end scrubbers. At that time they were the best you could get. What we found was that the recommendation of number and placement by the company who made them didn't work well in our Shop and to be effective we needed 2X as many as we had and where they were placed had a huge influence on things. Up high they were essentially useless and effective placement (6-8ft off the ground) got in the way of work. Plus even not being effective we were always cleaning the prefilters. Owner got rid of them less than a year in.

Making your own for low $ might be worthwhile, I don't feel the commercial units are worthwhile unless you need an ultraclean environment. A bodyshop will never be that.

Remember Barry used to talk about getting some of his cleanest jobs painting right out in the open shop floor. Blow an area out, turn on your exhaust fans and let any dust settle and you can paint very clean. 90% or more of the dust is coming from the car and how the car is masked.
Click to expand...
My cleanest jobs come outside, except during cottonwood season. Clear coat is a magnet to those little buggers
 
When I was at SEMA last Fall, I talked with several abrasive manufacturers, they all had products like this, little ~ 2 inch, high grit discs

Deerfos Prizma.jpg


I got to talking to one rep and asked him why these were so prevalent. He said the major auto manufacturers were the main customer.
He went on to say that Honda and Toyota use them a lot. They get between 25-40 nib's per car and use these little discs on a 90 degree mini sanding tool to cut them out and then buff the spot with a mini polishing pad.
I have to imagine that the paint booths being used by Honda and Toyota are about the absolute best available.
And yet, they get dust.

I think the consistent advice we've heard here is all we really need:
-Get the car really, really clean
-Wear a paint suit
-Blow down the area and let it settle - a long time
-Have some reasonable airflow to get the overspray out
-Keep it simple
-Plan on cutting and buffing it you want it really nice
 
Dean Jenkins said:
When I was at SEMA last Fall, I talked with several abrasive manufacturers, they all had products like this, little ~ 2 inch, high grit discs

View attachment 30500

I got to talking to one rep and asked him why these were so prevalent. He said the major auto manufacturers were the main customer.
He went on to say that Honda and Toyota use them a lot. They get between 25-40 nib's per car and use these little discs on a 90 degree mini sanding tool to cut them out and then buff the spot with a mini polishing pad.
I have to imagine that the paint booths being used by Honda and Toyota are about the absolute best available.
And yet, they get dust.

I think the consistent advice we've heard here is all we really need:
-Get the car really, really clean
-Wear a paint suit
-Blow down the area and let it settle - a long time
-Have some reasonable airflow to get the overspray out
-Keep it simple
-Plan on cutting and buffing it you want it really nice
Click to expand...


I use this method with the collision work that goes through my shop. Works well with the kovax tolecut paper, sander and/or hand sanding block
17114761273255332111245449344367.jpg
 
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