Rock wool vs Simwool

Also called Stump's Clone.
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MattJ
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Rock wool vs Simwool

Post by MattJ » November 24th, 2019, 7:16 pm

Was wondering if any of you guys have experience with booth. Will the 1" thick simwool rated for 2300 degrees perform the same as the 1.5" or 2" rock wool?



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Dirtytires
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Re: Rock wool vs Simwool

Post by Dirtytires » November 24th, 2019, 7:47 pm

Have to compare the R-value of each to get an answer.

I used a 1 inch ceramic insulation that was more efficient than a 2 inch rock wool.



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Re: Rock wool vs Simwool

Post by Texasbowhunter » November 28th, 2019, 10:28 am

Dirtytires
Can you tell more about the ceramic insulation you used...
Did you order it or locally obtain it...
Were there “R” ratings better then the rock wool?
Paul



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Re: Rock wool vs Simwool

Post by Dirtytires » November 28th, 2019, 9:20 pm

It was a 1 inch thick ceramic Fiber blanket. Came in a 25 foot roll that was 24 inches wide. Rated about 2300 degrees max with a working temp of 1850 degrees. Don’t remember the r-value off hand.

I ordered it from Grainger and was shipped to the house. It was extremely easy to cut with a straight edge and razor knife. Only problem is the roll is enough to do about 2-3 smokers so you will have leftover.



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Re: Rock wool vs Simwool

Post by MattJ » November 28th, 2019, 10:38 pm

Dirtytires, that sounds just like what I have. I think I'm just gonna double it up cause the plans I have use 2" tubing for the frame.

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Re: Rock wool vs Simwool

Post by Dirtytires » November 29th, 2019, 9:50 pm

See no reason why that wont work.....2 layers will just insulate better.

Could also in-set the outer skin and keep the gap to an inch and use only 1 layer of insulation. Just a thought....could be an excuse to decrease some of the ‘bulk’ of the smoker and do something a bit different.



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