Warm roof - acoustic rockwool

Joined
12 Dec 2020
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200
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United Kingdom
Hi Folks,

Hope you are enjoying the heat! I have a numpty question If anyone could enlighten me please?

I'm up to the roof on my garden office and whilst I'd initially opted for a cold roof, it turns out I have space for a warm roof which I'd like to go with.

I already bought rockwool 100mm RWA45 insulation however I couldn't find a definitive answer if this would be suitable for a warm roof or does it have to be something firmer/rigid?


Larry
 
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You'll need to check the r/k value of the Rockwool.

It does not need to be rigid.

100mm is not that good for any quilt.
 
Hi Woody,

Thank you for confirming. It's 0.035 W/mK, I'll look into some calculators online. I have a few cm spare before I reach my height limit from pp so could add something to it and still be alright.

Cheers
Larry
 

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