that doesn't help him tho =\

I'm not sure about PVC, haven't grown a room, I only deal with boxes. As for the fuses thing, if u kno what ur doing, it'll be as safe as you make it.
sheist Reviewed by sheist on . My Setup..stuck I started out with this great vision... then I smoked. :eek: My setup is three sections at: 3x3x9 the walls are 7 layers thick.. 1.) White paint on the inside (additive: Heatshield R-20) 2.) Particle board 3.) Heatshield III 4'x250' *roll* (used for its heating/cooling properties; not for reflectiveness) 4.) Insulation 5.) Heatshield III Rating: 5