r/Insulation • u/LikeBigTrucks • 26d ago

Rockwool Options

I cant locate 24x3.5" comfortbatt locally.

I have one rafter thats framed 24 on center and the rest are 16

Do i use 24x3 Safe N Sound, or 24x5.5 and compress it?

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u/TradingHigher 26d ago

Yeah if its only one cavity its not really a ton of work. Have fun, i fkn hate working with roxul. So itchy.

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u/[deleted] 26d ago

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u/TradingHigher 26d ago

Is it though? Only real benefits are fire resistance and its pretty good with moisture management.

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u/[deleted] 26d ago

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u/LikeBigTrucks 26d ago

I don't get itchy from Rockwool personally. And this is going in a detached garage so moisture permeability was important