Specifier's Library - Metals

Metal Framing Thickness
The metal framing industry stopped using imprecise gage thicknesses and started using precise minimum base metal thicknesses. Yet, many A/Es continue to specify metal framing by gage. Why adopt the newer standard? How did UL and GA fire resistant designs incorporate the change?

Zinc Coatings and Metal Studs
What is the recommended galvanized coating for metal studs? Is that for an interior or exterior location; for a wet or dry area? Location and use make a difference in selecting the proper galvanizing for metal studs. Different standards apply if the studs are structural or non-structural.