Dust collection w/o the bag for outdoor use

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Forum topic by jimmy J posted 05-12-2014 02:10 PM 968 views 0 times favorited 8 replies Add to Favorites Watch
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jimmy J

229 posts in 2577 days

05-12-2014 02:10 PM

The location my dust collection unit (HF 2hp) is a corner of the basement where my wife would like to put some shelves. I am thinking of putting the unit outside under my deck – luckily I have good spot to put the tubing through the wall. The deck which it will go under has about 3.5’ of vertical clearance, not enough to fit the full unit upright. I am planning on just removing the cloth bag at top of the unit, and letting it vent out. The dust will just go somewhere into the yard so hoping no issue there. Thoughts? I am of course planning to put some tarp on the underside of the decking to minimize water dripping on it.

8 replies so far

View Fred Hargis's profile

Fred Hargis

5173 posts in 2692 days

#1 posted 05-12-2014 04:04 PM

There will be more than dust going out “somewhere in the yard”. That said, if you can weatherproof it and put up with the debris in the yard it won’t be a problem. I can’t tell where you’re located so I’m guessing make up air (lost heat/cool) won’t be an issue. You won’t be sucking air into the house through a water heater flue or something like that?

-- Our village hasn't lost it's idiot, he was elected to congress.

View Woodknack's profile


12430 posts in 2579 days

#2 posted 05-12-2014 05:10 PM

I have a neighbor who has been venting his dust collectors (he has 3) outside for years. He directs the output toward a bucket or small barrel to catch the heavier stuff that doesn’t blow away. It can be messy on the side of the building. He measured for heat loss and claims it is insignificant, that once you bring all the machines and fixtures up to room temp it will keep the room warm (he has a good sized building). Obviously it isn’t going to be energy efficient (from a heating/cooling viewpoint) but I don’t think he worries about that.

-- Rick M,

View MrRon's profile


5192 posts in 3442 days

#3 posted 05-12-2014 05:58 PM

I vent my DC directly outdoors with no filters or bags. I use a barrell to collect the large stuff and the fine dust goes outside. Works great. I don’t have neighbors to worry about.

View CoachSchroeder's profile


97 posts in 1802 days

#4 posted 05-12-2014 06:51 PM

I need to come up with a serious solution for DC and was considering doing this. So, like Jimmy, I’m eager to hear your feedback and so far so good

-- -Sam, in Wisconsin

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Don W

19007 posts in 2766 days

#5 posted 05-12-2014 06:55 PM

Mine goes outside into a barrel to. I just throw a pics of heavy rubber to catch most of it. My only neighbors are trees and squirrels. Neither have complained so far.

-- - Collecting is an investment in the past, and the future.

View Shawn Masterson's profile

Shawn Masterson

1325 posts in 2147 days

#6 posted 05-12-2014 07:39 PM

You say the shop is in the basement. The DC will cause a negative pressure, and draw through the flue on the furnace and or water heater.

View thetinman's profile


294 posts in 1737 days

#7 posted 05-12-2014 09:16 PM

I used to vent a DC outside but all the grass died. I was told it was due to the wood dust sucking all the nutrients out of the lawn. Has anyone else had anything similar or heard of such a thing?

-- Life is what happens to you while you are planning better things -Mark Twain

View bigblockyeti's profile


5285 posts in 1919 days

#8 posted 05-12-2014 09:21 PM

I’ve heard that nitrogen has to be added to aid in the break down of the sawdust into something that can benefit plants and grass, otherwise it will suck the nitrogen out of the soil to complete the task.

-- "Lack of effort will result in failure with amazing predictability" - Me

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