Probably a long shot, but thought I'd ask anyway:
Does anyone have any data/experience re performance in minimising floor deflection/bounce/vibration trusses (e.g. PosiStrut) vs I-joists (e.g. hyJOIST)?
In my specific case, flooring is Hebel Powerfloor, live load specification 2.0kPa, max clear span 5020mm (between 90mm timber stud walls and 250UB37 steel lintel below), truss/joist depth 400mm; but generic info would be good for future readers.