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Old 06-27-2011, 02:45 PM   #11
Sep 2009
Fleetwood, PA
Posts: 1,002
Liked 11 Times on 10 Posts

Natty- How did you attach the two 2x6's to each other? I'm talking the parallel edges, not the lag bolted butt joints. thanks!

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Old 05-25-2012, 04:48 PM   #12
fall-line's Avatar
Mar 2011
Seattle, WA
Posts: 435
Liked 53 Times on 36 Posts

Appologies for reviving an old thread, but my question is relevant to this one and I figured it'd be better than starting a new empty thread.

Has anyone considered using a galvenized steel 'trough' for the basis of an exhaust hood. Livestock troughs can be picked up on all their shiny goodness for under $200 for even the biggest ones.

These are designed to hold up to being abused by livestock outdoors in all season, for many years. I'd be a little concerned about condensate dripping back down from the galvanized surfaces, but as long as the fan is adequately sized to remove the vapor, that shouldn't happen.

I had planned to just build a box with lumber and FRP similar to NattyBrew's contribution above, but thought this might work.



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Old 05-26-2012, 01:51 PM   #13
BIAB Expert Tailor
wilserbrewer's Avatar
May 2007
Jersey Shore, New Jersey
Posts: 9,890
Liked 1570 Times on 1185 Posts

Looks like a viable alternative...prehaps something similiar but plastic...
Just a thought, how bout 1/2 of a 55 gallon drum cut lengthwise???

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Old 01-18-2013, 04:53 AM   #14
Aug 2011
Silverton, OREGON
Posts: 2

I think these look great and will do the job nicely. And at about the 1/10th the price of a custom SS hood, I don't think you can go wrong.

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Old 01-18-2013, 05:35 AM   #15
Oct 2012
Posts: 171
Liked 39 Times on 26 Posts

Here's my build from galvanized sheet metal and slotted steel:

Don't forget about sizing the exhaust fan correctly. The generally agreed upon ratio for gas burners is 100 CFM per 10,000 BTU's to be safe.

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Old 01-18-2013, 03:43 PM   #16
Feb 2011
Quincy, Illinois
Posts: 18

I plan on just making one out of sheet metal when I get to it.... (Im lucky, my family owns a sheet metal shop)

Have any friends that work in a sheet metal shop or HVAC?...
They usually have access to galvanized sheets for duct, and brakes to bend em up... 3x8 or 4x8 sheet of 26ga galv is pretty cheap... (Usually will have scrap painted pieces around too prolly for cheaper)

Draw up what you want, explain it to em, maybe ask for someone in the shop that has a similar interest (Beer) and get it done...


Or, just buy the metal, have em shear it, (unless you have tin snips laying around) and build a wood frame outta 2x2's or something. Skin it with the galv sheeting, the wood would give you something to mount a fan too as well....

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Old 01-18-2013, 11:13 PM   #17
Jun 2012
Richmond, Virginia
Posts: 167
Liked 16 Times on 13 Posts

I bought a 8 by 4 sheet of the blue high density foam insulation from Lowes and built a hood out of it. It's a three foot square that is fine foot tall. I used wood glue and tape to seal the joints, but spray foam insulation would work if your cuts aren't straight.

I brew in the basement, so I use an exhaust fan and solid dryer duct to push the air out the vent for my clothes dryer. Works great, but not much to look at.

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Old 06-18-2015, 09:36 PM   #18
Zymurg's Avatar
Apr 2011
Saskatoon, Saskatchewan
Posts: 35
Liked 4 Times on 4 Posts

Originally Posted by cyberbackpacker View Post
Check out Nattybrew's Electric rig starting about post #169 I believe. He has lots of pics, and he made a custom hood out of, IIRC, wood and FRP paneling with an inline fan.
His pics don't work anymore
He was a wise man who invented beer. -Plato

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