What is the minimum gauge for roofing steel required for components like drip edges or valleys?

The minimum gauge for roofing steel required for components such as drip edges or valleys is 26 gauge. This thickness provides adequate strength and durability to withstand typical weather conditions, such as wind and precipitation, without easily bending or deteriorating. Roof components need to effectively manage water flow and prevent leaks, and a 26-gauge steel is robust enough for these applications while still being lightweight for ease of installation.

The other gauge options, such as 24, 28, and 30, do not meet the minimum requirements for strength and longevity for roofing components. While 24 gauge is thicker and might be used for specific applications requiring a greater load-bearing capacity, 28 and 30 are thinner gauges that may be too flimsy for critical roof areas that require more structural integrity and protection against potential damage.