22 Gauge

Furring channel is a hat-shaped corrosion-resistant framing component used to furring out masonry ceiling assemblies. Gypsum panels are then screw-attached to the furring channels. crews or power-driven fasteners can be used to attach furring channel directly to the building structure. Heavier gauge furring enables greater spans and loading capacity.  22 gauge furring is commonly used for purlins in exterior applications.