12x20 shed, 6/12 roof. Gable ends (front side and back side) have ~12” overhang, sides/eaves are the same with boxed in soffits (vented soffit eaves, gable vents, and a ridge vent). Using 2x4 as subfascia. Trying to decide if I should use 1x4 or x6 for the fascia? I assume it’s personal...