Need confirmation from some framing specialists. I am getting different numbers from online calculators and tables.
Question: What is the maximum rafter span for a roof built in the 1970’s with the following info:
2x6 Douglas Fir
Dead Load 15.5 (Concrete tile + Plywood)
Live Load 20 psf
No Snow load (southern CA)
Trying to determine if one or two purlins are required.