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Old 05-18-2014, 04:06 AM   #1
StarrHill
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Default Kettle insulation for mash

I want to report to the board on a great means of insulating for mash that I tried out today for the first time. I created an insulating jacket for my kettle out of a 1.5" thick closed cell foam camp mat, mated to the ever popular Reflectix.

I cut the camp mat to the size of my kettle, with cutouts for the handles and the spigot. I then hot glued a sheet of Reflectix to the outside of the foam, also with cutouts for handles and spigot. To the outside of the Reflectix, I hot glued three generic nylon lashing straps. This way, I can place the jacket around the kettle, clip the clips on the lashing straps and cinch them down tight, and I'm good to go. I created a similar two layer insulation for the lid, with another lashing strap that goes through the handle on the lid and through the handles on the side of the kettle to hold everything down nice and secure.

I did a brew day today, placed the jacket on prior to dough in, and tossed a moving blanket over the whole thing after I put the lid on. I had rock solid temps, losing about 0.7 degrees over a 70 minute mash. It was about 70 out this morning, so I don't know how well it will hold temps in the dead of winter, but I was very pleased with this setup today. I'll post some pics later.

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Old 05-18-2014, 11:39 AM   #2
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Photo?

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Old 05-18-2014, 12:03 PM   #3
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Yes, pics or it didn't happen.

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Old 05-18-2014, 03:41 PM   #4
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The jacket installed with lid and without

1400427645508.jpg   1400427667969.jpg  
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Old 05-18-2014, 03:45 PM   #5
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Do you direct fire the kettle?

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Old 05-18-2014, 03:48 PM   #6
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Fired to strike temp, killed the burner, then applied the jacket during dough in. No heat applied during mash to maintain temp for a little over an hour.

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Old 05-18-2014, 04:08 PM   #7
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Quote:
Originally Posted by StarrHill View Post
Fired to strike temp, killed the burner, then applied the jacket during dough in. No heat applied during mash to maintain temp for a little over an hour.
This is why I like the simplicity of BIAB; a properly insulated kettle doesn't require any additional heat. I use an old sleeping bag, but I think I am going to steal your idea.
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Old 05-18-2014, 04:11 PM   #8
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By all means, use the idea and improve on it. That's what these boards are for. I thought of a layer of reflectix on both sides of the foam if you want a starting place for possible modifications

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Old 05-18-2014, 09:18 PM   #9
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Outstanding work! I've been using nylon straps and towels (with a sleeping bag on top during Seattle winters), but I like your idea more. I may go with some velcro strapping to make it even easier!

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Old 05-18-2014, 09:39 PM   #10
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Thanks for the pics; yes, this is an EXCELLENT idea!

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