I was poking around in my garage this weekend and noticed that the bottom cords of my trusses have sagged 1/2″ lower than the gable trusses(measured mid-span). Is this normal? I haven’t stored anything up there in the 19 years I’ve lived here. Don’t know about the previous owner. All of them appear to have sagged the same amount.
Trusses span 32′, 3:12 pitch, 3/8″ sheathing with 3 tab shingles. Cords are all 2×4.