You dont need an air tight setup unless your worried about the smell. Some scrap wood, white paint, nails, duct tape, 1 fan for inside the box, passive intake, and 1 oscillating fan in room where the box is, will do just fine. :hippy:
FourTwenty4Life Reviewed by FourTwenty4Life on . air sealed, air tight grow room so lets assume you want to make a 16x16 air sealed tight grow room. What are the best ways going about this? Constructing maybe with 2x8's and dry wall followed by some type of seal? Any constructive input is appreciated, thanks! Rating: 5