Lots of opinions here. Let me try to detail for you. The "truss member" bracing that must be specied by the truss mfg. is only to contribute to excessive bending forces on long members inside the truss. This is in no way intended to be accepted as permanent bracing. Permanent bracing is to be...
If you are getting trusses from a truss manufacturer, have them provide you with the engineering calcs which should contain axial loads of the truss members.
