Fire performance isn't simply the core; brace alloys, screw qualities, and coating systems all impact scores

https://www.tumblr.com/stoicallyverdantpyre/821331369109094400/the-reality-in-the-patina-why-customized-finials

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