Fire performance isn't simply the core; bracket alloys, screw grades, and surface systems all influence ratings

https://emiliodvam464.theburnward.com/salvo-metal-works-the-architect-s-partner-for-100-year-copper-smokeshaft-shrouds

Fire efficiency isn't simply the core; brace alloys, screw grades, and surface systems all influence rankings, so assemblies are examined together for real-world conformity.