Stone wool below slab / Discussions

Can you use Comfortboard mineral wool insulation as a skirt on monolithic slab?

...slab?  It is an 18x16 slab, on a very well drained crushed stone pad.  Roxul tech support was not very helpful with this question (she seemed unfamiliar with the detail), so I am wondering if anyone has had experience with this?  Thank you! Yes, you can use Rockwool comfortboard mineral wool insulation at foundation sk...

Posted by Eric Sokol Oct. 16, 2021 Slab on Grade 1 response