tigerwoodKhorns Posted April 21, 2019 Share Posted April 21, 2019 This guy has some of the best videos. I was thinking about putting rockwool under my HVAC equipment in the attic. I will save my money. 2 Quote Link to comment Share on other sites More sharing options...
JJkizak Posted April 21, 2019 Share Posted April 21, 2019 8 inches of cement works better. JJK Quote Link to comment Share on other sites More sharing options...
dirtmudd Posted April 21, 2019 Share Posted April 21, 2019 if that does not work.. you can try this.. Quote Link to comment Share on other sites More sharing options...
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