I have some 2" thick acoutic cotton I would like to mount on the wall. What do you recommend that I use (nail, adhesive?) I do not want to do too much damage to the wall. I was thinking something like a finishing nail but havn't found any longer than 2".. Thanks!

Hi I finished building the projector screen and now paint time. 2.4 x 1.6 meters unbleached un primed cotton artist canvas which measures .53 mm in thickness. Ceiling mounted IN1503 inFocus Projector (2300 - 3000 Lumen, 1800:1 Contract ratio, 16:10 Aspect). Conference room 7m x 6m, low-average...

Hey guys, I'm trying to figure my insulation scheme for my sub. I don't want to use fiberglass because I can't stand working with it, and I don't want it in my room (ported sub). I am NOT interested in having a conversation about potential health risks of fiberglass. I have researched and...

Is there any real difference between Rock wool, Acoustic cotton and OC703? Is one more efficient then the other or more efficient at different frequencies? Where can I find info on this?