Fire performance isn't just the core; brace alloys, screw grades, and finish systems all impact ratings

https://devincbqd423.trexgame.net/roof-covering-air-vent-integrity-how-hand-fabricated-copper-holds-up-over-100-years

Fire performance isn't simply the core; brace alloys, screw grades, and coating systems all influence ratings, so assemblies are checked with each other for real-world compliance.