One idea might be this stuff you can buy at HD, I have seen it used on the back of a garage door and works well for heat/noise, it's basically bubblewrap sandwiched between 2 sheets of mylar. Good stuff but I forget the name, its in the section with pink fiberglass insulation Another idea might be to get one of those light/fan combos for your bathroom...so the fan comes on with the light. People gotta be able to see what they're doing in there hehe

-Doyu
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Everything I say is a lie or copied from another source and is purely for entertainment.
Doyu Reviewed by Doyu on . Fan noise, sound proofing Has any one used heat/ac duct as wall covering, you know the kind that folds up into those square ducts? Mylar on one side yellow fiberglass insulation on the other about 1" thick. My grow room is completely sealed up from the rest of my house secret door etc. I do get some smell I think from opening the door. But,y problem is noise, odd fan like noise coming from a wall in the bathroom, can't hear it over the bathroom fan but when it's not on there is noticeable noise from the room. I Rating: 5