26 Gauge Sheet Metal Fire Rating - Designed for compliance with ul 263 and ul 790 class a fire resistance ratings per assembly. Experience maximum flame spread of 6 feet. Equivalent opening factor at 2 h (feo) = 0.02. Web the class a fire rating proves that a metal roof covering can:
Equivalent opening factor at 2 h (feo) = 0.02. Experience maximum flame spread of 6 feet. Web the class a fire rating proves that a metal roof covering can: Designed for compliance with ul 263 and ul 790 class a fire resistance ratings per assembly.