Posted 5/30/2019 11:31 (#7531198 - in reply to #7530397) Subject: RE: box beam project-trying to span 44 feet
I'm kinda agreeing on this. I've gone through this on a 60 ft wide pole building. Long story short it was goung to take 4 1.5x24 inch lvls. For a 24ft header in the sidewall An 18foot span would only take 2. The span factor is an exponential multiplier in the beam size.