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Old 04-15-2010, 05:41 PM   #1
AlchemyBrewing
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Apr 2010
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I am working on upgrading my system and need a way to insulate my mashtun. Any thoughts on this or alternatives. I don't like the idea of using a water heater jacket since it is pretty messy. Does anyone know what material Brew Tree used in their jackets? Thanks for your help!

Jonathan

 
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Old 04-15-2010, 06:15 PM   #2
Walker
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I wrote a message and then deleted it because I wasn't sure what you had in mind when you said "water heater jacket".

I see those in two forms... one is fiberglass-looking insulation and the other is a what I had originally suggested in the response that I deleted, which is "reflectix" insulation. Looks like silver bubblewrap.


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Old 04-15-2010, 06:32 PM   #3
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I currently use an old sleeping bag... but recently looked at that foil bubble wrap stuff.
for right now sleeping bag is working (has been for a long time). I might pick up some of that wrap when I do my foam box Air Conditioner vent powered, frozen water bottle fermentation chiller for hot SC summer brewing. Might justify a whole roll at that point.
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Old 04-15-2010, 07:48 PM   #4
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i havent tried it yet, but i like the idea of the reflectrix material, as you can wrap as much as you want around the tun, and it does not absorb moisture like other insulation materials
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Old 04-15-2010, 07:49 PM   #5
Ohio-Ed
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If you're not direct firing it... I use polyurethane foam insulation with a vinyl face from McMaster. It's 1" think and has worked very well so far.

 
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Old 04-15-2010, 08:04 PM   #6
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Quote:
Originally Posted by Ohio-Ed View Post
If you're not direct firing it... I use polyurethane foam insulation with a vinyl face from McMaster. It's 1" think and has worked very well so far.
Or, you can use closed cell foam rubber, which has a higher temperature range and is less expensive. I use it to insulate the HLT, MLT, and BK. Works great.
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Old 04-15-2010, 08:16 PM   #7
nhman
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Nov 2009
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Somebody on here bought a piece of 1" insulation and sealed it against his MLT with duct tape. It wasn't regular fiberglass insulation though, something that frayed and came apart more easily. It sounds like a mess but turned out really well. I can't remember who it was, but there was a whole thread on the stuff he used. Maybe someone else can help.

 
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Old 04-15-2010, 08:21 PM   #8
nhman
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Nov 2009
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I think I may have been mixing up threads, but I know I saw someone use duct tape to hold insulation. Anyway, here's half of what I was thinking about.

http://www.homebrewtalk.com/f51/dire...roject-154652/

 
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Old 04-15-2010, 08:43 PM   #9
addis29
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Feb 2008
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Quote:
Originally Posted by lamarguy View Post
Or, you can use closed cell foam rubber, which has a higher temperature range and is less expensive. I use it to insulate the HLT, MLT, and BK. Works great.
What thickness are you using. I like the looks of this stuff.

 
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Old 04-15-2010, 08:53 PM   #10
Walker
I use secondaries. :p
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Quote:
Originally Posted by lamarguy View Post
Or, you can use closed cell foam rubber, which has a higher temperature range and is less expensive. I use it to insulate the HLT, MLT, and BK. Works great.
Was that the right link? Nothing on that page is rated for temps above 200*F.
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