Calculating Loads on Headers and Beams - Building and Construction Technology - UMass Amherst
6 Roof Load Width (RLW) - YouTube
Calculation of true length of roof members
Header Supporting Floor and Roof Calculator :: Weyerhaeuser
How to Calculate Rafter Lengths for gable, Hip and Valley rafters
Calculation - roof loads transfer to internal/external walls: Is the load down through the ridge and struts? - i.e. Does the gable + collar tie arrangement result in most of the forces