Quote:
Originally Posted by mattianlaseppia  ok 6" but how much for density?
and how much the air gap? |
The higher density rigid fiberglass or mineral wool will work a bit better, but you can use OC 703 also (3 pound). As far as air gap, if flat mounted on the wall you want 4" to 6", if straddling the corner, have the sides of the panel touch the walls.
Glenn