I'm getting lazy and I dont want to drywall my basement HT until next year. Now that its getting cold the room is getting cold 
I figure that 60-70% of the exterior wall surface area is going to be covered with 2" Roxul RXL80, which will do double duty as insulation and sound treatment.
If I dont insulate the rest of the wall, however, much of the insulative properties will disappear.
What could I use to insulate the rest of the wall that a)is fire-safe to be exposed (which I guess eliminates styrofoam-type insulation) but will not over-absorb the room acoustically?
Andy K.
I figure that 60-70% of the exterior wall surface area is going to be covered with 2" Roxul RXL80, which will do double duty as insulation and sound treatment.
If I dont insulate the rest of the wall, however, much of the insulative properties will disappear.
What could I use to insulate the rest of the wall that a)is fire-safe to be exposed (which I guess eliminates styrofoam-type insulation) but will not over-absorb the room acoustically?
Andy K.