I have been growing for a few years now using a 1.2x1.2m tent but am looking to build a bigger grow room. I have an old 8x6ft aluminium framed greenhouse with no glass i was thinking of putting this in my garage and getting reflective mylar to cover the frame by using duct tape and cable ties to keep in place. Anyone any ideas on how else i can do this would be gratefully appreciated. Thank you in advance!!