Hello, everyone. I am building my 1st Growroom. It's in the attic the dimensions are approximately 3,5x3,5m and height is 2m Maximum. I have not installed a ventilation system yet and I have to cover the floor with something as well. So the construction is not over yet but please if you have any advice or comments or anything to add on what I might be doing wrong, before it's over, I would very much appreciate to hear you. Thank you for your time!

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