Fire efficiency isn't just the core; brace alloys, screw qualities, and coating systems all affect ratings

https://mighty-wiki.win/index.php/Designers_on_Copper:_Why_Custom-made_Smokeshaft_Shrouds_Are_Specified_for_100-Year_Roofings

Fire performance isn't simply the core; bracket alloys, bolt grades, and finish systems all impact scores, so settings up are tested with each other for real-world conformity.