Bear Claw:
I am interested in building a roof gable with CMU & CONCRETE where a wooden one exists can someone shed some light on this?
Thank You in Advance
thread403-131064
Does the 5000 CFM rating for each fan add up (5000 + 5000 = 10000 CFM),does it stay the same (5000 CFM) or does it become a value somewhere in between (i.e. 7500 CFM)
Thank You in advance