The values of self-weight listed in this box appear in the Generate Loads form. They are used to generate building masses that are used to create seismic loads. Values may be specified for floor, ceiling, roof, snow, interior wall and exterior wall components.
Roof Self-weight
The default for roof self-weight applies to either the roof mass as if it was a load applied to the projected area of the roof or the actual weights of the sloped roof panel according to which of these is set in the Load Generation input form.
Proportion of snow used
25% of the entered value for snow loads contributes to the building mass.