I'm not sure buster, maybe i'm a bit too paranoid but i'd insulate. However good your fan is for good growing conditions you'll want your temps around 75-80F and thats gonna be hotter than most lofts. I'd also think about cooling your exhaust before it goes outside i've heard on infra red it shows up like a waterfall. But i don't know if all police copters have infra red, or maybe you dont get copters where you are?
hudson88 Reviewed by hudson88 on . my new grow space hello all well i thought i would show you all my new grow space well it all started off with a 600w hps and ballast that i aquired from my m8 swizzy a few months ago i spent about £100 today getting bits and bobs for my setup because of the heat issue associated with the 600hps i got a new hood and a proper extractor fan, i got thermal insulated duckting for less noice and i lined the walls with that black and white polythene sheeting and to put it all together it took me and my m8 about Rating: 5