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Old 06-27-2011, 02:45 PM   #11
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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
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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
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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, 03:53 AM   #14
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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, 04:35 AM   #15
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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, 02:43 PM   #16
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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, 10:13 PM   #17
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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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