Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Insulation Jacket for MLT.
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Old 11-17-2011, 05:34 AM   #1
Stankonia
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Default Insulation Jacket for MLT.

Just got done fashioning together an insulation "jacket" for my keggle MLT.

I have read Bobby_M's MLT insulation thread over a few times, and actually have all the materials to mimic what he did, and I eventually probably will...but I'm brewing Sunday and didn't want to undertake his project in the meantime..this took 1-2 hours and was kind of spur of the moment.

My system is a direct-fire recirculating mash, so that presented problems of how to insulate my keg. I couldn't have reflectix on with the flame going. I had used reflectix a couple times when doing all-grain BIAB, and it was a pain rolling it off and on when I needed to turn the flame on.

So, I went a bought a new roll today and came up with a plan to have 4 layers of reflectix insulating the MLT, while making it super-easy to remove when (hopefully IF) I need to take it off.

I appreciate any feedback and advice you guys have. Also, I hope some of you guys find it helpful!

First thing I did was wrap the Reflectix around the keg 4 times and cut it. Then I put some clamps on it to hold it in place so it could keep its shape when I slide it off the keg.




So, where the beginning end, and ending part overlapped I poked holes, and bolted them together with fairly large washers on each side to prevent the bolts from ripping through. I put the flat part of the bolt on the inside, with the nut on the outside, and the bolts I got were just barely long enough.





Now, this could be the final step, but with my fittings (outflow ball-valve, inflow ball-valve at the top, and a thermometer) I can't design it where I can simply slide it on and off.

I went to the opposite side and cut all 4 layers straight down the middle..I could have used the same nuts and bolts set-up on this side to attach the layers together, but I opted for aluminum tape.



With the tape...




So now I have 4 layers all held together as one piece that can open up easily rather than unwrapping 16ft of this stuff. I held it together with some straps that are easily removed when I will need to turn the flame on.

Here is what it looks like, along with a fitted cap I made for it.



Tomorrow I'm going to cut the holes for my fittings. I'll post some pics with everything put together after that.


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Old 11-17-2011, 05:34 AM   #2
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I don't have any info on how it holds temperature yet. But I'm going to Brew on Sunday, so I'll give an update then.


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Old 11-17-2011, 08:29 AM   #3
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Just and additional thought you could use plastic bolt and nuts for the far side instead of steel to cut down on more losses

Clem
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Old 11-17-2011, 08:54 AM   #4
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Looks good. Should save some fuel.
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Old 11-17-2011, 11:58 AM   #5
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Awesome Stankonia! It's funny, I was going to hit Lowes today for some Reflectix and build something damn near identical... only I was thinking velcro to keep it wrapped tightly around my keggle, rather than the straps. I like the bolts you used... I will def borrow that idea from ya!

Cheers! And happy brewing this weekend! I have a Founders Breakfast Stout clone going bright and early Saturday AM.

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Old 11-17-2011, 01:52 PM   #6
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Quote:
Originally Posted by Clementine View Post
Just and additional thought you could use plastic bolt and nuts for the far side instead of steel to cut down on more losses

Clem
Yeah, not a bad idea. I don't think the steel bolts will suck up too much heat. I can always patch over them with more reflectix.

Quote:
Originally Posted by dannedry View Post
Awesome Stankonia! It's funny, I was going to hit Lowes today for some Reflectix and build something damn near identical... only I was thinking velcro to keep it wrapped tightly around my keggle, rather than the straps. I like the bolts you used... I will def borrow that idea from ya!

Cheers! And happy brewing this weekend! I have a Founders Breakfast Stout clone going bright and early Saturday AM.

I thought about using velcro too, but just couldn't find it in Lowes, so just grabbed these bunjee cords. Some velcro straps would be better since you would be able to pull them tighter where as with the cords you're stuck with how they fit and not able to adjust them.

Post some pics!
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Old 11-17-2011, 02:32 PM   #7
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It seems that you could have made the start and end fall on the same seem and then make the through-cut there so there was no loose ends to bolt together. Otherwise, nice job!
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Old 11-17-2011, 03:13 PM   #8
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Luckily there is a Michael's right next to my Lowes... now I just have to bring myself to walk into a store like that! haha
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Old 11-17-2011, 05:01 PM   #9
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I didnt even cut mine, it just slips on and off. Holds 1-2 degrees over 60 mins when 20*f outside

http://www.homebrewtalk.com/f51/biab...lation-235310/
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Old 11-17-2011, 05:17 PM   #10
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Quote:
Originally Posted by cyberwollf View Post
I didnt even cut mine, it just slips on and off. Holds 1-2 degrees over 60 mins when 20*f outside

http://www.homebrewtalk.com/f51/biab...lation-235310/
Nice man, that's encouraging to hear! My brew-days this winter will be in the 70s range, so hopefully I won't even have to fire up the MLT burner.


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