Fire performance isn't simply the core; bracket alloys, bolt qualities, and finish systems all affect scores

https://page-wiki.win/index.php/Dormers_That_Don%27t_Deceive:_The_100-Year_Performance_of_Custom_Copper_by_Salvo_Metal_Works

Fire performance isn't simply the core; bracket alloys, screw grades, and surface systems all influence scores, so assemblies are evaluated together for real-world compliance.