could anyone help me find objective info on the thermal values of stonewool vs P/styrene, I'm really struggl'n
Answers:
This site lists the exact different thermal values of stonewall and ploystyrene, as well as others. There are other factors to consider though, as well as the thermal value, such as absorbancy of damp, etc. depepding on what you are wanting the insulation for:
I need to know about floor joists?