I'm putting together a music practice room in my basement and I just hung insulation (R-19 type) on a wall made of concrete block. Because I wanted more width in the room, I had the carpenter install the 2 x 4's flat (with 2" depth). After securing the insulation I hung a few panels of drywall (1/2" thick) over it (very tough to compress the thick insulation behind the drywall).
My questions are these:
Did I use the wrong type of insulation?
If I leave the R-19 in place, do I chance having a mold situation in the future?
A friend of mine basically told me that R-19 type of insulation was a NO-NO when it comes to concrete block walls and could cause mold to form because of lack of breathing room.
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