Fire efficiency isn't simply the core; bracket alloys, screw grades, and surface systems all impact scores

https://garrettpdrt345.cavandoragh.org/salvo-metal-works-the-designer-s-partner-for-100-year-copper-smokeshaft-shrouds

Fire performance isn't simply the core; brace alloys, screw grades, and surface systems all affect ratings, so settings up are examined together for real-world compliance.