Roof loads are 125% of floor loads unless limited by other criteria.
Allowable loads assume a carrying member width of 5 1/2".
Specify H dimension.
Triangle Theory: Some code jurisdictions allow only half of the top flange bearing area to be considered when performing a top flange hanger calculation as there is non–uniform stress under the top flange (presumed to be a triangular shaped distribution). Therefore, loads are published above using the calculated “Triangle Theory”. Loads are also published in the “No Triangle Theory” columns which are based on calculations assuming full bearing on the top flange which do not exceed the tested value with a reduction factor of 3.