Your words bring me hope thx shot. Length of the room is 15ft and 5 inches, Height is to rafters 8ft and 3 inches, Width is 10ft and 8 inches, In veg i have t5/t8 and for bloom im using a 400w HPS. I was thinking of doing the outside with new plywood,drywall, and siding. Becuz i heard sheetrock...