An Attic Truss that is Habitable is required to have the following loads to be applied to the room
area. These loads are in addition to the standard live and dead loads that have been added per
the job Settings. Note: Magnitude of the loads could vary based on specific conditions.
40 PSF Live Floor Load
10 PSF Dead Floor Load
10 PSF Dead Ceiling Load
If the Attic Truss is Uninhabitable (used for Light Storage) then the following loads should be
applied to the room area. These loads are in addition to the standard bottom chord dead Loads
applied per the Job Settings.
20 PSF Live Load
5 PSF Dead Load as a minimum
The Light Storage loading guide shown above can be applied to any truss.
Whether the Attic Truss was created in layout or iDesign, the following dialog appears to assist
applying the loads. Enter the appropriate loads in the fields provided and then click the OK
button.