help please!! :)

can someone tell me a bit more info regarding insulation and attics,and useing something to stop the chopper knowing about things.ive just bought some stuff and cant make my mind up where to grow,i have a big attick but im worried about the helicopter seeing,i have a big cellor but the meters get checked down there i pressume once every few months im not sure how often it is.i also have a back room small bedroom which i could use,failing that there is always my bedroom.but i dont know weather i could put the extraction fan into the breather in the wall,because it doesnt lead starit outdoors,the one in my bedroom does though....i have just got a cooltube and a budbox xl size 120 x 120 x 240cm a filter and fan.but dont know where to put it or if im going to use the attic if it can be protected,im just not sure so any help is welcomed,many thanks

how many lights, and what kind will be the biggest part of what kind of thermal signature you would leave.

You can however get insulation's and liners that reflect infrared. which would stop the choppers.

http://www.growlightexpress.com/reflective-films-ir-block-86/sun-blocker-film-4-x-50-roll-1114.html

or

this

thanks for the reply guys,i just bought 1 light,its one of them cooltubes,thought i only needed one with it been a smallish tent,but i am still open to useing the attic,im going to have a look @ the link you sent me now tidus,thanks,oh if i put some pics up of the breathers in my walls,will you guys be able to tell me if its ok to put the exraction fan in them,thanks...

looks like really good stuff,do you use it? does it actually work? if so if i put that all over the roof of my attic is that going to definatley stop it been able to be seen then? awesome if it does work...

sm315 its 400 wat bulb i have and ballast... so dont know how much thermal imprint that will leave...?