Fire performance isn't simply the core; brace alloys, bolt grades, and finish systems all influence scores

https://paxtonfeps261.lucialpiazzale.com/roof-covering-air-vent-strength-copper-elements-that-outlast-the-building-code-cycle

Fire efficiency isn't simply the core; bracket alloys, bolt grades, and finish systems all affect scores, so assemblies are tested together for real-world conformity.